Important Stuff Flashcards

1
Q

Black Scholes

A

log returns are normally distributed, constant sigma and r, no arbitrage, no transaction costs, no taxes, asset prices change continiously, cant jump

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2
Q

Merton Model

A

BS with extension that volatility is time varying (volatility is a deterministic function of time, sigma in BS is defined as the average vol over the life of an option); risky bond = riskless bond - put

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3
Q

Heston Model

A

BS with stochastic volatility

Heston Model with Jumps includes jump component

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4
Q

Vasicek

A

Model of short term interest rate where interest rates are mean mean reverting and can become negative; not every yield curve is possible

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5
Q

Hull-White

A

Model of short term interest rate where r is time varying and time-0 term structure is exactly matched, interest rates can become negative

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6
Q

CIR Model

A

Model of short term r where volatility can increase with interest rate, r can NOT become negative

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7
Q

Black-Karasinski model

A

F being monotonic function of short rate, r can NOT become negative

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8
Q

Monte Carlo

A

Pricing based on simulation of outcomes of underlyings

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9
Q

Brownian Motion

A

Mean zero with volatility suqareroot(delta t) and total variation infitiy, quadratic variation is T

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10
Q

Geometric Brownian

A

Drift and sigma constant, drift in instand dt = mu dt

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11
Q

Ito Process

A

Can be a geometric brownian motion but doesnt have to be as drift and sigma can be random, evolves continiously over time

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12
Q

Blacks Formula

A

Black Scholes based on forward or future, dividend yield magically disappeard

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13
Q

Cap and Floor

A

zerocoupon bond options, can be price in vasicek and hull white with blacks formula

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14
Q

Swaption

A

Option on coupon bearing bonds

can be priced in vasicek and hull white with jamshidians trick

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15
Q
A
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