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Pricing And Trading American Put Options Under Sub-Optimal Exercise Policies, William Wei Xing
Pricing And Trading American Put Options Under Sub-Optimal Exercise Policies, William Wei Xing
Electronic Thesis and Dissertation Repository
No analytical expression has been found for the optimal exercise boundary of finite maturity American put options. This thesis evaluates the performance of approximating the optimal boundary with a class of analytically tractable sub-optimal exercise boundaries which admit known first passage time density functions. The performance is evaluated in two steps, first by computing and comparing the value of the put option under the sub-optimal exercise policy to existing numerical approximation methods such as the binomial price, then by examining the profit/loss of a trader that would result from hedging and trading strategies based on the sub-optimal exercise policy. We …