Derivatives Flashcards

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0
Q

Forward price of an equity

A

= (S0 - PVD) x (1 + Rf)^T

= [S0 x (1 + Rf)^T] - FVD

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1
Q

Value of long forward contract

A

= Spot price - PV(forward price)

= St - FP/(1+Rf)^(T-t)

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2
Q

Value of forward on coupon-paying bonds

A

(St - PVC) - FP/[(1+Rf)^(T-t)]

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3
Q

Put-call parity

A

call + PV(ZCB) = put + stock

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4
Q

Risk-neutral probability of an up move

A

(1 + Rf - D)/(U - D)

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5
Q

Size of a down-move

A

1/(size of up move)

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6
Q

Option’s delta

A

(Up-value of call - Down-value of call)/(Up-value of stock - Down-value of stock)

units in shares/option

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7
Q

Assumptions of Black-Scholes

A
  • Price of underlying asset follows a lognormal distribution
  • Risk-free rate and volatility are constant and known
  • Markets are frictionless
  • Underlying asset has no cash flow
  • Options are European style
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8
Q

Delta-neutral hedge

A

Combination of long stock and short calls to hedge value of portfolio

of options needed = # of shares hedged/delta

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9
Q

What is delta and how are call and put options affected?

A

Change in option price as asset price changes

  • positive for calls: option value increases as underlying increases
  • negative for puts: option value decreases as underlying increases
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10
Q

What is vega and how does call and put options affected?

A

Change in option price as volatility changes

  • positive for calls and puts
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11
Q

What is rho and how does call and put options affected?

A

Change in option price as risk free rate changes

  • positive for calls
  • negative for puts
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12
Q

What is theta and how are call and put options affected?

A

Change in option price with the passage of time

  • as calls and puts approach maturity (passage of time increases), option value decreases, except for deep in-the-money put options
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13
Q

What is gamma and how does it affect dynamic hedging?

A

Change in delta as the price of the underlying changes

Hedges that use high gamma options (ATM options) will require frequent rebalancing

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14
Q

Value of plain vanilla swap

A

(1 - Zn)/(Z1 + Z2 +…+ Zn)

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15
Q

Use calls and puts to describe the position of a cap buyer

A
  • long call on LIBOR

- long put on bond prices

16
Q

Use calls and puts to describe the position of a floor buyer

A
  • long put on LIBOR

- long call on bond prices

17
Q

Value of currency forward

A

St/(1+Rfc)^(T-t) - FT/(1+Rdc)^(T-t)

18
Q

What are Eurodollar futures?

A
  • Similar to forward rate agreements
  • Based on 90-day LIBOR
  • Calculated as 100 minus annualized LIBOR
19
Q

Normal backwardation

A

Futures prices are expected to be less than expected future spot prices (hedging activity by sellers)

20
Q

Normal contango

A

Futures prices are expected to be greater than expected future spot prices (hedging activity by buyers)

21
Q

Delta for call option

A

= 1 - delta of put option

= Δoption price/Δstock price

22
Q

Backwardation

A

Futures price < spot price

23
Q

Contango

A

Futures price > spot price

24
Q

Forward rate of a 2x5 contract

A

[(1+r150)/(1+r60)-1]*(360/90)

25
Q

Put-call parity for futures and forwards

A

C + (X-F)/(1+Rf)^T = P

26
Q

Who is short the credit risk for CDS?

A

The protection buyer because he benefits when spreads widen

27
Q

What are credit events to trigger payment for a CDS?

A
  • bankruptcy
  • failure to pay scheduled principal or interest
  • restructuring

Must be determined by supermajority vote of 12 members of the ISDA committee

28
Q

Upfront premium for CDS (%)

A

(credit spread - fixed coupon) x duration of CDS

29
Q

Value of protection leg of a CDS

A

= value of risk-free bond - expected payoff on risky bond

= credit risk

30
Q

Upfront payment for a CDS

A

PV(protection leg) - PV(premium leg)

if positive, protection buyer is making an upfront payment

31
Q

Price of CDS

A

100 - upfront premium %

per 100 par

32
Q

What is a payer swaption equivalent to?

A

Put option on a bond

33
Q

What is a receiver swaption equivalent to?

A

Call option on a bond

34
Q

Use options to describe a payer swap

A

Long call and short put on interest rate options

35
Q

Use options to describe a receiver swap

A

Long put and short call on interest rate options

36
Q

How do storage costs affect the forward price?

A

Increases forward prices

37
Q

When would futures prices be higher than forward prices?

A

Asset is positively correlated to interest rates