as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
why would someone buy a way out-of-the-money call option that's expiring soon?
user
out of the money options often have the biggest changes in value, when the stock moves upward. this person could also gain, by the implied (underlying) volatility of the stock rising if it moves erratically to either side. still seems to be a very risky game, given only 4 days to expiry.
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