expiration date
The last day on which the holder of an option contract can exercise the Right to buy or sell an option contract's underlying asset to take a profit on the position. Option contracts that are not exercised expire worthless. See Double Witching Week; maximum Pain; Options Calendar; Quadruple Witching Week; triple witching week.
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options expiration calendar
swaption
Put on a put
option contract
Variable maturity option
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Coverdell Education Savings Account (ESA)