Investments Flashcards
Margin Call Formula
Loan / 1-Maintenance Margin
Standard Deviation probability
68, 95, 99
Standard Deviation Calculator keystrokes
€, blue.
Coefficient of Variation
Which investment has more relative risk
CV=standard deviation/average return
Useful in comparing two assets with different average returns
Covariance
Measures relative risk
COVab = (STDa) x (STDb) x (STDab)
Correlation
Correlation = COV/ (STDa)(STDb)
Systemic Risks
PRIME
Purchasing Power Reinvestment Risk Interest Rate Market Risk Exchange Risk
Standard Deviation calculation trick
Take the weighted average and pick from whatever number is lover than the average
Unsystematic Risk
ABCDEFG
Accounting Business Country Default Executive risk Financial risk Government risk
Treynor Index
Return of Portfolio - Risk free / beta of portfolio
Sharpe index
Return of portfolio- risk free / standard deviation of portfolio
Jensens Alspha
Return of portfolio- (risk free+ (return market-risk free) beta of portfolio
Information Ratio
Return of portfolio- return of benchmark / tracking error
Treynor Index
Return of portfolio- risk free / beta of portfolio
Sharpe Index
Return of portfolio- risk free / standard deviation of portfolio