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Financial Risk Management Formula.docx
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Transcript
Formula Sheet for Financial Risk Management
Formulae
Financial Basics
Compounding Factor (future value of an interest factor r% for time t):
Discount Factor (present value of an interest factor r% for time t):
Future Annuity Factor (future value of an annuity factor for r% for n periods):
Present Value Annuity Factor (present value of an annuity factor for r% for n periods):
Covered Arbitrage
Cost of Carry Model
Simple Interest
Compound Interest
or
Arbitrage Channel
Implied Forward Rate
Compound Interest
Simple Interest
Forward Rate Agreement Settlement Terms
Synthetic Agreement for Forward Exchange Settlement Terms
Exchange Rate Agreement
Forward Exchange Agreement
Hedge Sensitivity Ratio
Fair Value of an At-market Swap
Spot or Zero-Coupon Rate (Zi) derived from the par yield curve
Option Pricing
Option Delta
Amount Borrowed
Risk-Neutral Probability
Value of Call with One Period to Expiry
Value of Call with Two Periods to Expiry
Binomial Model Pricing Inputs
e = 2.71828
Black-Scholes Option Pricing Model
Value of a Call
and:
Value for a Put
Standard Deviation of Returns
or equivalently:
Approximation Formula for Implied Volatility
? = 3.14159
Polynomial Approximation to the Normal Distribution
Option Sensitivities
Adjustments to Delta
European-style Call Option on a Stock Index with a Dividend Yield (d)
European-style Put Option on a Stock Index with a Dividend Yield (d)
European-style Call Option on a Futures Contract
European-style Put Option on a Futures Contract
European-style Call Option on a Currency
European-style Put Option on a Currency
Significance of N(d2)
Lambda/Elasticity
Gamma
and
Computational formula:
Theta
European-style calls:
European-style puts:
European-style call with a dividend yield:
European-style put with a dividend yield:
Rho
Rho for calls:
Rho for puts:
Vega
Underlier paying a continuous dividend:
Adjustments to the Option Pricing Model
Continuous Dividend Adjustment Model (Merton)
Call option:
Put option:
and:
Currency Options
Call option on currency:
Put option on currency:
where:
Currency Options on the Forward Price
Call option:
Put option:
where:
Options on Futures
Futures call:
Futures put:
where:
Commodity Options
Call on a commodity:
Put on a commodity:
where:
American-style Option Adjustment
and:
where:
Hedging
Minimum Variance Hedge Ratio
Hedging Effectiveness
Futures Spread
Equity Hedging
Constant Proportions Portfolio Insurance
Hedge Ratio for Index Options
Duration Measures
Macaulay’s Duration
Duration years:
Computational Formula:
Modified Duration
Approximation Equation for Modified Duration
Convexity
Computational formula for deriving convexity:
Approximation Equation for Convexity
Portfolio Duration
Price Value of a Basis Point
M2
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