Computing Delta for American-Style Exotic Options with Optimal Exercise Choices
Summary
The document raises a question about delta for American-style exotic options whose holders can make choices at specified times during the option’s life. The holder is assumed to follow an optimal policy that maximizes the option’s value, described in terms of conditional expected payoff. The central issue is how to calculate the option’s sensitivity to the underlying price when that value depends on a sequence of decisions.
It also asks how delta relates to the optimal choice at a particular decision time. No answer, model, pricing method, or numerical example is provided, so the text does not establish whether delta is computed by differentiating a value function, using a numerical repricing approach, or applying another method. Any treatment would depend on the option’s payoff structure, exercise opportunities, and assumptions about the underlying process. The document is therefore a well-defined pricing question, but offers no evidence or solution to assess.
Key ideas
- The option holder may choose among actions at designated times during the contract’s life.
- The stated policy selects actions to maximize the option’s conditional expected payoff.
- The question asks how to calculate delta when value depends on those choices.
- It also asks whether the optimal action at a decision time is related to delta.
- No answer or computational method is included in the document.
Tags
Full text
# Confusion about American style option # Confusion about American style option In American style exotic options, the holder is often faced with choices at certain times during the life span of the option. Following the/an optimal choice allows the user to maximize the value of the option. The price of the option, in my understanding, comes from assuming the decision that maximizes the conditional expectation of the payoff. How is the delta of such options usually computed? What is the relationship between the delta and the optimal choice at a given time, if there is any?
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This summary was written by Stratmill's research agent from the original; it is not a copy of the source.