Portfolio Management
Theory
And Technical Analysis
Lecture Notes
By: Dr. Sam Vaknin
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The Bill of Rights of the
Investor
1. To earn a positive return (=yield) on their capital.
2. To insure his investments against risks (=to hedge).3. To receive information identical to the that of ALL other investors  complete, accurate and timely and to form independent judgement based on this information.
4.To alternate between investments  or be compensated for diminished liquidity.5. To study how to carefully and rationally manage his portfolio of investments.
6.To compete on equal terms for the allocation of resources.7. To assume that the market is efficient and fair.
RISK
2. Income: general, free, current, projected (expectations), certain, uncertain.
3. CASE A (=pages 3 and 4)4. The solutions to our FIRST DISCOVERY are called: "The Opportunities Set"
5. The "INDIFFERENCE CURVE" or the "UTILITY CURVE"{SHOW THREE DIAGRAMS}6. The OPTIMAL SOLUTION (=maximum consumption in both years).
7. The limitations of the CURVES:
8. CASE B
CASE A
INVESTOR A has secured income of $20,000 p.a. for the next 2 years.
One investment alternative: a savings account yielding 3% p.a.
(in real terms = above inflation or inflation adjusted).
One borrowing alternative: unlimited money at 3% interest rate
(in real terms = above inflation or inflation adjusted).
MR. SPENDER
Will spend $20,000 in year 1
and $20,000 in year 2
and save $ 0
MR. SPENDTHRIFT
Will save $20,000 in year 1 (=give up his liquidity)
and spend this money
plus 3% interest $600
plus $20,000 in year 2 (=$40,600)
MR. BIG PROBLEM
Will spend $20,000 in year 1
plus lend money against his income in year 2
He will be able to lend from the banks a maximum of:
$19,417 (+3% = $20,000)
HIDDEN ASSUMPTIONS IN MR. BIG PROBLEM's CASE:
Rests on the above three assumptions (Keynes' theorem about the long run).
$19,417 is the NPV of $20,000 in one year with 3%.
OUR FIRST DISCOVERY:
THE CONSUMPTION IN THE SECOND YEAR =
THE INCOME IN THE SECOND YEAR +
{Money Saved in the First Year X (1 + the interest rate)}
CASE B
2. THE MEAN VALUE OF AN ASSET's YIELD = SUM {YIELDS IN DIFFERENT SCENARIOS X PROBABILITIES OF THE SCENARIOS}
{SHOW TABLE  p14}3. The properties of the Mean Value:
4. The mean of the multiplications of a Constant in the yields equals the multiplication of the Constant in the Mean Value of the yields.
5. The Mean of the yields on two types of assets = The Sum of the Means of each asset calculated separately{SHOW TABLE  p16}6. Bifaceted securities: the example of a convertible bond.
{SHOW TABLE  p16}7. VARIANCE and STANDARD DEVIATION as measures of the difference between mathematics and reality.
They are the measures of the frustration of our expectations.8. THE RULE OF PREFERENCE:{Calculation  p17}
We will prefer a security with the highest Mean Value plus the lowest Standard Deviation.9. The PRINCIPLE OF DIVERSIFICATION of the investment portfolio: The Variance of combined assets may be less than the variance of each asset separately.
{Calculation  p18}10. THE FOUR PILLARS OF DIVERSIFICATION:
{Calculation  pp. 18  19}12. Short  cutting the way to the Variance:
PORTFOLIO COVARIANCE  the influence of events on the yields of underlying assets.13. Simplifying the Covariance  the Correlation Coefficient.{Calculation  p19}
{Calculation  p19}14. Calculating the Variance of multiasset investment portfolios.
{Calculations  p19  20}

STATE OF INVESTOR 
DESCRIPTION 
PROPERTY 
UTILITY FUNCTION 
1. 
Diminishing Avoidance of absolute risk 
Invests more in risky assets as his capital grows 
Derivative of avoidance of absolute risk < Æ 
Natural logarithm (Ln) of capital 
2. 
Constant Avoidance of absolute risk 
Doesn't change his investment in risky assets as capital grows 
Derivative = Æ 
(1) (e) raised to the power of a constant multiplied by the capital 
3. 
Increasing Avoidance of absolute risk 
Invests less in risky assets as his capital grows 
Derivative > Æ 
(Capital) less (Constant) (Capital squared) 
4. 
Diminishing Avoidance of relative risk 
Percentage invested in risky assets grows with capital growth 
Derivative < Æ 
(1) (e) squared multiplied by the square root of the capital 
5. 
Constant Avoidance of relative risk 
Percentage invested in risky assets unchanged as capital grows 
Derivative = Æ 
Natural logarithm (Ln) of capital 
6. 
Increasing avoidance of relative risk 
Percentage invested in risky assets decreases with capital growth 
Derivative > Æ 
Capital  (Number) (Capital squared) 
THE EFFICIENT MARKET
1. The tests: lenient, quasi  rigorous, rigorous
2. The relationship between information and yield3. Insiders and insiders  trading
4. The Fair Play theorem
5. The Random Walk Theory
6. The Monte Carlo Fallacy
7. Structures  Infra and hyper
8. Market (price) predictions
9. Case study: split and reverse split
10. Dos and Don't Dos: a guide to rational behaviour
MORE:
1. Efficient Market: The price of the share reflects all available information.
2. The Lenient Test: Are the previous prices of a share reflected in its present price?
3. The Quasi  Rigorous Test: Is all the publicly available information fully reflected in the current price of a share?
4. The Rigorous Test: Is all the (publicly and privately) available information fully reflected in the current price of a share?
5. A positive answer would prevent situations of excess yields.
6. The main question: how can an investor increase his yield (beyond the average market yield) in a market where all the information is reflected in the price?
7. The Lenient version: It takes time for information to be reflected in prices.
Excess yield could have been produced in this time  had it not been so short.
The time needed to extract new information from prices = The time needed for the information to be reflected.
The Lenient Test: will acting after the price has changed  provide excess yield.
8. The Quasi  Rigorous version: A new price (slightly deviates from equilibrium) is established by buyers and sellers when they learn the new information.
The QR Test: will acting immediately on news provide excess yield?
Answer: No. On average, the investor will buy at equilibrium convergent price.
9. The Rigorous version: Investors cannot establish the "paper" value of a firm following new information. Different investors will form different evaluations and will act in unpredictable ways. This is "The Market Mechanism". If a right evaluation was possible  everyone would try to sell or buy at the same time.
The Rigorous Test: Is it at all possible to derive excess yield from information? Is there anyone who received excess yields?
10. New technology for the dissemination of information, professional analysis and portfolio management and strict reporting requirements and law enforcement  support the Rigorous version.
11. The Lenient Version: Analysing past performance (=prices) is worthless.
The QR Version: Publicly available information is worthless.
The Rigorous version: No analysis or portfolio management is worth anything.
12. The Fair Play Theorem: Since an investor cannot predict the equilibrium, he cannot use information to evaluate the divergence of (estimated) future yields from the equilibrium. His future yields will always be consistent with the risk of the share.
13. Insider  Trading and Arbitrageurs.
14. Price predictive models assume:
(a) The yield is positive and (b) High yield is associated with high risk.
15. Assumption (a) is not consistent with the Lenient Version.
16. Random Walk Theory (RWT):
17. The Monte Carlo Fallacy and the Stock Exchange (no connection between colour and number).
18. The Fair Play Theorem does not require an equal distribution of share prices over time and allows for the possibility of predicting future prices (e.g., a company deposits money in a bank intended to cover an increase in its annual dividends).
19. If RWT is right (prices cannot be predicted)  the Lenient Version is right (excess yields are impossible). But if the Lenient Version is right  it does not mean that RWT is necessarily so.
20. The Rorschach tendency to impose patterns (cycles, channels) on totally random graphic images.
The Elton  Gruber experiments with random numbers and newly  added random numbers.
No difference between graphs of random numbers  and graphs of share prices.
21. Internal contradiction between assumption of "efficient market" and the ability to predict share prices, or price trends.
22. The Linear Model
P = Price of share; C = Counter; ED P = Expected difference (change) in price
DP = Previous change in price; R = Random number
Pa  Pa1 = ( ED P + D P/ ED P ) · ( Pa1c  Pa2c + R )
Using a correlation coefficient.
23. The Logarithmic Model
( log CPn ) / ( log CPn1 ) = Cumulative yield CP = Closing Price
Sometimes instead of CP, we use: D P / (div/P) D P = Price change div = dividend
24. These two models provide identical results  and they explain less than 2% of the change in share prices.
25. To eliminate the influence of very big or small numbers 
some analyse only the + and  signs of the price changes
Fama and Macbeth proved the statistical character of sign clusters.
26. Others say that proximate share prices are not connected  but share prices are sinusoidally connected over time.
Research shows faint traces of seasonality.
27. Research shows that past and future prices of shares are connected with transaction costs. The higher the costs  the higher the (artificial) correlation (intended to, at least, cover the transaction costs).
28. The Filter (Technical Analysis) Model
Sophisticated investors will always push prices to the point of equilibrium.
Shares will oscillate within boundaries. If they break them, they are on the way to a new equilibrium. It is a question of timing.
29. Is it better to use the Filter Model or to hold onto a share or onto cash?
Research shows: in market slumps, continuous holders were worse off than Filter users and were identical with random players.
This was proved by using a mirror filter.
30. The filter Model provides an excess yield identical to transaction costs.
Fama  Blum: the best filter was 0,5%. For the purchase side 1%, 1,5%.
Higher filters were better than constant holding ("Buy and Hold Strategy") only in countries with higher costs and taxes.
31. Relative Strength Model
( CP ) / ( AP ) = RS CP = Current price AP = Average in X previous weeks
 Divide investment equally among highest RS shares.
 Sell a share whose RS fell below the RS' of X% of all shares Best performance is obtained when: "highest RS" is 5% and X% = 70%.
32. RS models instruct us to invest in upwardly volatile stocks  high risk.
33. Research: RS selected shares (=sample) exhibit yields identical to the Group of stocks it was selected from.
When risk adjusted  the sample's performance was inferior (higher risk).
34. Short term movements are more predictable.
Example: the chances for a reverse move are 23 times bigger than the chances for an identical one.
35. Brunch: in countries with capital gains tax  people will sell losing shares to materialize losses and those will become underpriced.
They will correct at the beginning of the year but the excess yield will only cover transaction costs, (The January effect).
36. The market reacts identically (=efficiently) to all forms of information.
37. Why does a technical operation (split / reverse split) influence the price of the share (supposed to reflect underlying value of company)?
Split  a symptom of changes in the company. Shares go up before a split was conceived  so split is reserved for good shares (dividend is increased). There is excess yield until the split  but it is averaged out after it.
38. There is considerable gap (upto 2 months) between the announcement and the split. Research shows that no excess yield can be obtained in this period.
39. The same for M & A
40. The QR Version: excess yields could be made on private information.
Research: the influence of Wall Street Journal against the influence of market analyses distributed to a select public.
WSJ influenced the price of the stocks  but only that day.
41. The Rigorous Version: excess yields cannot be made on insider information.
How to test this  if we do not know the information? Study the behaviour of those who have (management, big players).
Research shows that they do achieve excess yields.
42. Do's and Don'ts
1. The Income Statement
revenues, expenses, net earning (profits)
2. Expenses
Costs of goods sold I Operating expenses
General and administrative (G & A) expenses I (including depreciation)
Interest expenses
Taxes
3. Operating revenues  Operating costs = Operating income
4. Operating income + Extraordinary, nonrecurring item =
= Earning Before Interest and Taxes (EBIT)
5. EBIT  Net interest costs = Taxable income
6. Taxable income  Taxes = Net income (Bottom line)
7. The Balance Sheet
Assets = Liabilities + Net worth (Stockholders' equity)
8. Current assets = Cash + Deposits + Accounts receivable +
+ Inventory current assets + Long term assets = Total Assets9. Total assets  Total liabilities = Book valueLiabilities
Current (short term) liabilities = Accounts payable + Accrued taxes + Debts +
+ Long term debt and other liabilities = Total liabilities
10. Stockholders' equity = Par value of stock + Capital surplus + Retained surplus
11. Statement of cash flows (operations, investing, financing)
12. Accounting Vs. Economics earnings (Influenced by inventories depreciation, Seasonality and business cycles, Inflation, extraordinary items)
13. Abnormal stock returns are obtained where actual earnings deviate from projected earnings (SUE  Standardized unexpected earnings).
14. The job of the security analyst: To study past data, Eliminate ² "noise" and form expectations about future dividends and earning that determine the intrinsic value (and the future price) of a stock.
15. Return on equity (ROE) = Net Profits / Equity
16. Return on assets (ROA) = EBIT / Assets
17. ROE = (1Tax rate) [ROA + (ROA  Interest rate) × Debt / Equity]
18. Increased debt will positively contribute to a firm's ROE if its ROA exceeds the interest rate on the debt (Example)
19. Debt makes a company more sensitive to business cycles and the company carries a higher financial risk.
20. The Du Pont system
ROE = Net Profit/Pretax Profit × Pretax Profit/EBIT × EBIT/Sales × Sales/Assets × Assets/Equity
(1) (2) (3) (4) (5)
21. Factor 3 (Operating profit margin or return on sales) is ROS
22. Factor 4 (Asset turnover) is ATO
23. Factor 3 × Factor 4 = ROA
24. Factor 1 is the Tax burden ratio
25. Factor 2 is the Interest burden ratio
26. Factor 5 is the Leverage ratio
27. Factor 6 = Factor 2 × Factor 5 is the Compound leverage factor
28. ROE = The burden × ROA × Compound leverage factor
29. Compare ROS and ATO Only within the same industry!
30. Fixed asset turnover = Sales / Fixed assets
31. Inventory turnover ratio = Cost of goods sold / Inventory
32. Average collection period (Days receivables) = Accounts receivables / Sales × 365
33. Current ratio = Current assets / Current liabilities
34. Quick ratio = (Cash + Receivables) / Current liabilities is the Acid test ratio
35. Interest coverage ratio (Times interest earned) = EBIT / Interest expense
36. P / B ratio = Market price / Book value
37. Book value is not necessarily Liquidation value
38. P / E ratio = Market price / Net earnings per share (EPS)
39. P / E is not P /E Multiple (Emerges from DDM  Discounted dividend models)
40. Current earnings may differ from Future earnings
41. ROE = E / B = P/B / P/E
42. Earnings yield = E / P = ROE / P/B
43. The GAAP  Generally accepted accounting principles  allows different representations of leases, inflation, pension costs, inventories and depreciation.
44. Inventory valuation:
Last In First Out (LIFO)
First In First Out (FIFO)
45. Economic depreciation  The amount of a firm's operating cash flow that must be reinvested in the firm to sustain its real cash flow at the current level.
Accounting depreciation (accelerated, straight line)  Amount of the original acquisition cost of an asset allocated to each accounting period over an arbitrarily specified life of the asset.
46. Measured depreciation in periods of inflation is understated relative to replacement cost.
47. Inflation affects real interest expenses (deflates the statement of real income), inventories and depreciation (inflates).
[Graham's Technique]
B O N D S
1. BOND  IOU issued by Borrower (=Issuer) to Lender
2. PAR VALUE (=Face Value)
COUPON (=Interest payment)
3. The PRESENT VALUE (=The Opportunity Cost)
1 / (1+r)^{n} r = interest rate n = years
4. ANNUITY CALCULATIONS and the INFLUENCE OF INTEREST RATES:
_{n}
P_{b }= å C / (1+r)^{t} + PAR / (1+r)^{n} P_{b} = Price of the Bond
^{t=1} C = Coupon
PAR = Principal payment
n = number of payments
5. BOND CONVEXITY  an increase in interest rates results in a price decline that is smaller than the price gain resulting from a decrease of equal magnitude in interest rates.
YIELD CALCULATIONS
1. YIELD TO MATURITY (IRR) = YTM
2. ANNUALIZED PERCENTAGE RATE (APR) = YTM ´ Number of periods in 1 year
3. EFFECTIVE ANNUAL YIELD (EAY) TO MATURITY = [(1+r)^{n}  1]
n = number of periods in 1 year
4. CURRENT YIELD (CY) = C / P_{b}
5. COUPON RATE (C)
6. BANK DISCOUNT YIELD (BDY) = PARP_{b} / PAR ´ 360 / n
n = number of days to maturity
7. BOND EQUIVALENT YIELD (BEY) = PARP_{b} / P_{b ´}365 / n
8. BEY = 365 ´ BDY / 360  (BDY ´ n)
9. BDY < BEY < EAY
10. FOR PREMIUM BOND: C > CY > YTM (Loss on P_{b} relative to par)
TYPES OF BONDS
1. Zero coupons, stripping
2. Appreciation of Original issue discount (OID)
3. Coupon bonds, callable
4. Invoice price = Asked price + Accrued interest
5. Appreciation / Depreciation and: Market interest rates, Taxes, Risk (Adjustment)
BOND SAFETY
1. Coverage ratios
2. Leverage ratios
3. Liquidity ratios
4. Profitability ratios
5. Cash flow to debt ratio
6. Altman's formula (Zscore) for predicting bankruptcies:
Z = 3,3 times EBIT / TOTAL ASSETS + 99,9 times SALES / ASSETS +
+ 0,6 times MARKET VALUE EQUITY / BOOK VALUE OF DEBT +
+ 1,4 times RETAINED EARNINGS / TOTAL ASSETS +
+ 1,2 times WORKING CAPITAL / TOTAL ASSETS
MACROECONOMY
1. Macroeconomy  the economic environment in which all the firms operate
2. Macroeconomic Variables:
GDP (Gross Domestic Product) or Industrial Production  vs. GNP3. Demand and Supply shocksEmployment (unemployment, underemployment) rate(s)
Factory Capacity Utilization Rate
Inflation (vs. employment, growth)
Interest rates (=increase in PNV factor)
Budget deficit (and its influence on interest rates & private borrowing)
Current account & Trade deficit (and exchange rates)
"Safe Haven" attributes (and exchange rates)
Exchange rates (and foreign trade and inflation)
Tax rates (and investments / allocation, and consumption)
Sentiment (and consumption, and investment)
4. Fiscal and Monetary policies
5. Leading, coincident and lagging indicators
6. Business cycles:
Sensitivity (elasticity) of salesOperating leverage (fixed to variable costs ratio)
Financial leverage
MANAGING BOND
PORTFOLIOS
1. Return On Investment (ROI) = Interest + Capital Gains
2. Zero coupon bond:
P_{b} = PAR / (1+I)^{n}
3. Bond prices change according to interest rates, time, taxation and to expectations about default risk, callability and inflation
4. Coupon bonds = a series of zero coupon bonds
5. Duration = average maturity of a bond's cash flows = the weight or the proportion of the total value of the bond accounted for by each payment.
W_{t} = CF_{t}/(1+y)^{t} / P_{b} S_{wt = 1 = bond price}
_{t}
Macauley's formula D = S t ´ W_{t} (where yield curve is flat!)
^{ t=1}
6. Duration:
7. DP/P =  D ´ [ D (1+y) / 1+y ] = [  D / 1+y ] ´ D (1+y) =  D_{m} ´ D y
8. The EIGHT durations rules
Duration always increases with maturity for bonds selling at par or at a premium.
With deeply discounted bonds duration decreases with maturity.
9. Passive bond management  control of the risk, not of prices.
 indexing (market risk)
 immunization (zero risk)
10. Some are interested in protecting the current net worth  others with payments (=the future worth).
11. BANKS: mismatch between maturities of liabilities and assets.
Gap Management: certificates of deposits (liability side) and adjustable rate mortgages (assets side)
12. Pension funds: the value of income generated by assets fluctuates with interest rates
13. Fixed income investors face two types of risks:
Price risk
Reinvestment (of the coupons) rate risks
14. If duration selected properly the two effects cancel out.
For a horizon equal to the portfolio's duration  price and reinvestment risks cancel out.
15. BUT: Duration changes with yield rebalancing
16. BUT: Duration will change because of the passage of time (it decreases less rapidly than maturity)
17. Cash flow matching buying zeros or bonds yielding coupons equal to the future payments (dedication strategy)
18. A pension fund is a level perpetuity and its duration is according to rule (E).
19. There is no immunization against inflation (except indexation).
20. Active bond management
 Increase / decrease duration if interest rate declines / increases are forecast
 Identifying relative mispricing
21. The Homer  Leibowitz taxonomy:
Active management until portfolio drops to
minimum future value / (1+I)^{T} = Trigger value
if portfolio drops to trigger value  immunization.
23. Horizon Analysis
Select a Holding Period
Predict the yield curve at the end of that period
[We know the bond's time to maturity at the end of the holding period]
{We can read its yield from the yield curve} determine price
24. Riding the yield curve
If the yield curve is upward sloping and it is projected not to shift during the investment horizon as maturities fall (=as time passes)  the bonds will become shorter  the yields will fall  capital gains
Danger: Expectations that interest rates will rise.
INTEREST RATE SWAPS
1. Between two parties exposed to opposite types of interest
rate risk.
Example: SNL CORPORATION
Short term  Long term
Variable rate liabilities  Fixed rate liabilities
Long term  Short term
Fixed rate assets  Variable rate assets
Risk: Rising interest rates Risk: Falling interest rates
2. The Swap
SNL would make fixed rate payments to the corporation based on a notional amount
Corporation will pay SNL an adjustable interest rate on the same notional amount
3. After the swap
SNL CORPORATION
ASSETS LIABILITIES ASSETS LIABILITIESLong term loans Short term deposits Short term assets Long term bonds
(claim to) variable (obligation to) make (claim to) fixed (obligation to) make
 rate cash flows fixed cash payments cash flows variablerate payments
net worth net worth
William Sharpe, John Lintner, Jan Mossin
1. Capital Asset Pricing
Model (CAPM) predicts the relationship between an asset's risk and its
expected return = benchmark rate of return (investment evaluation)
= expected returns of assets not
yet traded
2. Assumptions
[Investors are different in wealth and risk aversion} but:
3. Results
A passive (holding) strategy is the best.
Investors vary only in allocating the amount between risky and risk  free assets.
its risk
and the investor's risk aversion
and the beta coefficient of the asset (relative to the market portfolio).
Beta measures the extent to which returns on the stock and the market move together.
4. Calculating the Beta
The line from which the sum of standard deviations of returns is lowest.
The slope of this line is the Beta.
¥_{¥}
b_{i} = Cov (r_{i}, r_{m}) / s_{m}^{2} = S (y_{ti}y_{ai})(y_{tm}y_{am}) / S (y_{tm}t_{am})^{2}
^{t=1 t=1}
5. Restating the assumptions
 sectoral
 international
6. Diversified investors should care only about risks related to the market portfolio.
Return
Beta
1/2 1 2
Investment with Beta 1/2 should earn 50% of the market's return
with Beta 2  twice the market return.
7. Recent research discovered that Beta does not work.
A better measure:
B / M
(Book Value) / (Market Value)
8. If Beta is irrelevant  how should risks be measured?
9. NEER (New Estimator of Expected Returns):
The B to M ratio captures some extra risk factor and should be used with Beta.
10. Other economists: There is no risk associated with high B to M ratios.
Investors mistakenly underprice such stocks and so they yield excess returns.
11. FAR (Fundamental Asset Risk)  Jeremy Stein
There is a distinction between:
 Boosting a firm's long term value and
 Trying to raise the share's price
If investors are rational:
Beta cannot be the only measure of risk ® we should stop using it
Any decision boosting (A) will affect (B) ® (A) and (B) are the same
If investors are irrational
Beta is right (it captures an asset's fundamental risk = its contribution to the market portfolio risk) ® we should use it, even if investors irrational if investors are making predictable mistakes  a manager must choose:
If he wants (B) ® NEER (accommodating investors expectations)
If he wants (A) BETA
TECHNICAL ANALYSIS
 Part A
1. Efficient market hypothesis  share prices reflect all available information
2. Weak form
Are past prices reflected in present prices?
No price adjustment period  no chance for abnormal returns
(prices reflect information in the time that it takes to decipher it from them)
If we buy after the price has changed  will we have abnormal returns?
Technical analysis is worthless
3. Semistrong form
Is publicly available information fully reflected in present prices?
Buying price immediately after news will converge, on average, to equilibrium
Public information is worthless
4. Strong form
Is all information  public and private  reflected in present prices?
No investor can properly evaluate a firm
All information is worthless
5. Fair play  no way to use information to make abnormal returns
An investor that has information will estimate the yield and compare it to the equilibrium yield. The deviation of his estimates from equilibrium cannot predict his actual yields in the future.
His estimate could be > equilibrium > actual yield or vice versa. On average, his yield will be commensurate with the risk of the share.
6. Two basic assumptions
7. If (A) is right, past prices contain no information about the future
8. Random walk
9. The example of the quarterly increase in dividends
10. The Rorschach Blots fallacy (patterns on random graphical designs)
® cycles (Kondratieff)
11. Elton  Gruber experiments with series of random numbers
12. Price series and random numbers yield similar graphs
13. The Linear model
P_{a}  P_{a1} = ( ED P + ) ´ ( P_{a1c}  P_{azc} +R )
P = Price of share
C = Counter
ED P = Expected change in Price
R = Random number
14. The Logarithmic model
= cum. Y
Sometimes, instead of P_{c} we use D P +
15. Cluster analysis (Fama  Macbeth)
+ and  distributed randomly. No statistical significance.
16. Filter models  share prices will fluctuate around equilibrium because of profit taking and bargain hunting
17. New equilibrium is established by breaking through trading band
18. Timing  percentage of break through determines buy / sell signals
19. Filters effective in BEAR markets but equivalent to random portfolio management
20. Fama  Blum: best filter is the one that covers transaction costs
21. Relative strength models  P / P
Divide investment equally between top 5% of shares with highest RS and no less than 0,7
Sell shares falling below this benchmark and divide the proceeds among others
22. Reservations:
TECHNICAL ANALYSIS  Part B
2. Search for recurrent and predictable patterns
3. Patterns are adjustment of prices to new information
4. In an efficient market there is no such adjustment, all public information is already in the prices
5. The basic patterns:
6. Buy/sell signals
Example: Piercing the neckline of Head and Shoulders
7. The Dow theory uses the Dow Jones industrial average (DJIA) as key indicator of underlying trends + DJTransportation as validator
8. Primary trend  several months to several years
Secondary (intermediate) trend  deviations from primary trend: 1/3, 1/2, 2/3 of preceding primary trend
Correction  return from secondary trend to primary trend
Tertiary (minor) trend  daily fluctuations
9. Channel  tops and bottoms moving in the direction of primary trend
10. Technical analysis is a self fulfilling prophecy  but if everyone were to believe in it and to exploit it, it would self destruct.
People buy close to resistance because they do not believe in it.
11. The Elliott Wave theory  five basic steps, a fractal principle
12. Moving averages  version I  true value of a stock is its average price
prices converge to the true value
version II  crossing the price line with the moving
average line predicts future prices
13. Relative strength  compares performance of a stock to its sector or to the performance of the whole market
14. Resistance / support levels  psychological boundaries to price movements assumes market price memory
15. Volume analysis  comparing the volume of trading to price movements high volume in upturns, low volume in down movements  trend reversal
16. Trin (trading index) =
Trin > 1 Bearish sign
17. BEAR / Bull markets  down/up markets disturbed by up/down movements
18. Trendline  price moves upto 5% of average
19. Square  horizontal transition period separating price trends (reversal patterns)
20. Accumulation pattern  reversal pattern between BEAR and BULL markets
21. Distribution pattern  reversal pattern between BULL and BEAR markets
22. Consolidation pattern  if underlying trends continues
23. Arithmetic versus logarithmic graphs
24. Seasaw  non breakthrough penetration of resistance / support levels
25. Head and shoulder formation (and reverse formation):
Small rise (decline), followed by big rise (decline), followed by small rise (decline).
First shoulder and headpeak (trough) of BULL (BEAR) market.
Volume very high in 1st shoulder and head and very low in 2nd shoulder.
26. Neckline  connects the bottoms of two shoulders.
Signals change in market direction.
27. Double (Multiple) tops and bottoms
Two peaks separated by trough = double tops
Volume lower in second peak, high in penetration
The reverse = double bottoms
28. Expanding configurations
Price fluctuations so that price peaks and troughs
can be connected using two divergent lines.
Shoulders and head (last).
Sometimes, one of the lines is straight:
UPPER (lower down) or  accumulation, volume in penetration
LOWER (upper up) 5% penetration signals reversal
29. Conservative upper expanding configuration
Three tops, each peaking
Separated by two troughs, each lower than the other
Signals peaking of market
5% move below sloping trendline connecting two troughs
or below second through signals reversal
30. Triangles  consolidation / reversal patterns
31. Equilateral and isosceles triangle (COIL  the opposite of expansion configuration)
Two (or more) up moves + reactions
Each top lower than previous  each bottom higher than previous
connecting lines converge
Prices and volume strongly react on breakthrough
32. Triangles are accurate when penetration occurs
Between 1/2  3/4 of the distance between the most congested peak and the highest peak.
33. Right angled triangle
Private case of isosceles triangle.
Often turn to squares.
34. Trendlines
Connect rising bottoms or declining tops (in Bull market)
Horizontal trendlines
35. Necklines of H&S configurations
And the upper or lower boundaries of a square are trendlines.
36. Upward trendline is support
Declining trendline is resistance
37. Ratio of penetrations to number of times that the trendline was only touched without being penetrated
Also: the time length of a trendline
the steepness (gradient, slope)
38. The penetration of a steep trendline is less meaningful and the trend will prevail.
39. Corrective fan
At the beginning of Bull market  first up move steep, price advance unsustainable.
This is a reaction to previous downmoves and trendline violated.
New trendline constructed from bottom of violation (decline) rises less quickly, violated.
A decline leads to third trendline.
This is the end of the Bull market
(The reverse is true for Bear market.)
40. Line of return  parallel to upmarket trendline, connects rising tops (in uptrends) or declining bottoms (in downtrends).
41. Trend channel  the area between trendlines and lines of return.
42. Breach of line of return signals (temporary) reversal in basic trend.
43. Simple moving average
Average of N days where last datum replaces first datum changes direction after peak / trough.
44. Price < MA ® Decline
Price > MA ® Upturn
45. MA at times support in Bear market
resistance in Bull market
46. Any break through MA signals change of trend.
This is especially true if MA was straight or changed direction before.
If broken trough while continuing the trend  a warning.
We can be sure only when MA straightens or changes.
47. MA of 1013 weeks secondary trends
MA of 40 weeks primary trends
Best combination: 10+30 weeks
48. Interpretation
30w down, 10w < 30w downtrend
30w up, 10w > 30w uptrend
49. 10w up, 30w down (in Bear market)
10w down, 30w up (in Bull market)
No significance
50. MAs very misleading when market stabilizes and very late.
51. Weighted MA (1st version)
Emphasis placed on 7w in 13w MA (wrong  delays warnings)
Emphasis placed on last weeks in 13w
52. Weighted MA (2nd version)
Multiplication of each datum by its serial number.
53. Weighted MA (3rd version)
Adding a few data more than once.
54. Weighted MAs are autonomous indicators  without being crossed with other MAs.
55. Exponential MA  algorithm
56. Envelopes
Symmetrical lines parallel to MA lines (which are the centre of trend) give a sense of the trend and allow for fatigue of market movement.
57. Momentum
Division of current prices by prices a given time ago
Momentum is straight when prices are stable
When momentum > reference and going up market up (Bull)
When momentum > reference and going down Bull market stabilizing
When momentum < reference and going down market down (Bear)
When momentum < reference and going up Bear market stabilizing
58. Oscillators measure the market internal strengths:
59. Market width momentum
Measured with advance / decline line of market
(=the difference between rising / falling shares)
When separates from index  imminent reversal
momentum = no. of rising shares / no. of declining shares
60. Index to trend momentum
Index divided by MA of index
61. Fast lines of resistance (Edson Gould)
The supports / resistances will be found in 1/3  2/3 of previous price movement.
Breakthrough means new tops / bottoms.
62. Relative strength
Does not indicate direction  only strength of movement.
More Technical Analysis:
1. Williams %R = 100 x
r = time frame
2. The Williams trading signals:
 Bearish  WM% R rises above upper reference line
Falls
Cannot rise above line during next rally
 Bullish  WM% R falls below lower reference line
Rallies
Cannot decline below line during next slide
When WM%R fails to rise above upper reference line during rally
or
Fall below lower reference line during decline
3. Stochastic
A fast line (%K) + slow line (%D)
Steps
 Calculate raw stochastic (%K) = x 100
n = number of time units (normally 5)
 %D = x 100 (smoothing)
4. Fast stochastic
%K + %D on same chart (%K similar to WM%R)
5. Slow stochastic
%D smoothed using same method
6. Stochastic trading signals
 Bullish
Prices fall to new low
Stochastic traces a higher bottom than during previous decline
 Bearish
Prices rally to new high
Stochastic traces a lower top than during previous rally
 When stochastic rallies above upper reference line  market O/B
 When stochastic falls below lower reference line  market O/S
When both lines are in same direction  confirmation of trend
7. Four ways to measure volume
8. OBV Indicator (onbalance volume)
Running total of volume with +/ signs according to price changes
9. Combined with:
(OBV calculated for each stock in the index and then rated +1, 1, 0)
The sum of the Net Field Trend Indicators
10. Accumulation / Distribution Indicator
A/D = x V
11. Volume accumulator
Uses P instead of 0.
12. Open Interest
Number of contract held by buyers or
owed by short sellers in a given market on a given day.
13. Herrich Payoff Index (HPI)
HPI = Ky + (K'  Ky)
K = [(P  Py) x C x V] x [1 ± {(½ I  Iy½ x 2 / G}
G= today's or yesterday's I (=open interest, whichever is less)
+/ determined: if P > Py (+), if P < Py ()
Annex: The Foundations of Common Investment schemes Challenged
The credit and banking crisis of 20079 has cast in doubt the three pillars of modern common investment schemes. Mutual funds (known in the UK as "unit trusts"), hedge funds, and closedend funds all rely on three assumptions:
Assumption number one
That risk inherent in assets such as stocks can be "diversified away". If one divides one's capital and invests it in a variety of financial instruments, sectors, and markets, the overall risk of one's portfolio of investments is lower than the risk of any single asset in said portfolio.
Yet, in the last decade, markets all over the world have moved in tandem. These highlycorrelated ups and downs gave the lie to the belief that they were in the process of "decoupling" and could, therefore, be expected to fluctuate independently of each other. What the crisis has revealed is that contagion transmission vectors and mechanisms have actually become more potent as barriers to flows of money and information have been lowered.
Assumption number two
That investment "experts" can and do have an advantage in picking "winner" stocks over laymen, let alone over random choices. Market timing coupled with access to information and analysis were supposed to guarantee the superior performance of professionals. Yet, they didn't.
Few investment funds beat the relevant stock indices on a regular, consistent basis. The yields on "random walk" and stochastic (random) investment portfolios often surpass managed funds. Index or tracking funds (funds who automatically invest in the stocks that compose a stock market index) are at the top of the table, leaving "stars", "seers", "sages", and "gurus" in the dust.
This manifest market efficiency is often attributed to the ubiquity of capital pricing models. But, the fact that everybody uses the same software does not necessarily mean that everyone would make the same stock picks. Moreover, the CAPM and similar models are now being challenged by the discovery and incorporation of information asymmetries into the math. Nowadays, not all fund managers are using the same mathematical models.
A better explanation for the inability of investment experts to beat the overall performance of the market would perhaps be information overload. Recent studies have shown that performance tends to deteriorate in the presence of too much information.
Additionally, the failure of gatekeepers  from rating agencies to regulators  to force firms to provide reliable data on their activities and assets led to the ascendance of insider information as the only credible substitute. But, insider or privileged information proved to be as misleading as publicly disclosed data. Finally, the market acted more on noise than on signal. As we all know, noise it perfectly randomized. Expertise and professionalism mean nothing in a totally random market.
Assumption number three
That risk can be either diversified away or parceled out and sold. This proved to be untenable, mainly because the very nature of risk is still illunderstood: the samples used in various mathematical models were biased as they relied on data pertaining only to the recent bull market, the longest in history.
Thus, in the process of securitization, "risk" was dissected, bundled and sold to third parties who were equally at a loss as to how best to evaluate it. Bewildered, participants and markets lost their muchvaunted ability to "discover" the correct prices of assets. Investors and banks got spooked by this apparent and unprecedented failure and stopped investing and lending. Illiquidity and panic ensued.
If investment funds cannot beat the market and cannot effectively get rid of portfolio risk, what do we need them for?
The short answer is: because it is far more convenient to get involved in the market through a fund than directly. Another reason: index and tracking funds are excellent ways to invest in a bull market.
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