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Margrabe's model of the market assumes only the existence of the two risky assets, whose prices, as usual, are assumed to follow a geometric Brownian motion.The volatilities of these Brownian motions do not need to be constant, but it is important that the volatility of S 1 /S 2, σ, is constant.
The method essentially entails using the BS formula to compute the value of two European call options: (1) A European call with the same maturity as the American call being valued, but with the stock price reduced by the present value of the dividend, and (2) A European call that expires on the day before the dividend is to be paid. The largest ...
The calendar call spread (see calendar spread) is a bullish strategy and consists of selling a call option with a shorter expiration against a purchased call option with an expiration further out in time. The calendar call spread is basically a leveraged version of the covered call (see above), but purchasing long call options instead of ...
The options trader makes a profit of $200, or the $400 option value (100 shares * 1 contract * $4 value at expiration) minus the $200 premium paid for the call.
Option values vary with the value of the underlying instrument over time. The price of the call contract must act as a proxy response for the valuation of: the expected intrinsic value of the option, defined as the expected value of the difference between the strike price and the market value, i.e., max[S−X, 0]. [3]
The Black model (sometimes known as the Black-76 model) is a variant of the Black–Scholes option pricing model. Its primary applications are for pricing options on future contracts, bond options, interest rate cap and floors, and swaptions. It was first presented in a paper written by Fischer Black in 1976.
A Canary option is an option whose exercise style lies somewhere between European options and Bermudian options. (The name refers to the relative geography of the Canary Islands .) Typically, the holder can exercise the option at quarterly dates, but not before a set time period (typically one year) has elapsed.
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