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In finance, the expiration date of an option contract (represented by Greek letter tau, τ) is the last date on which the holder of the option may exercise it according to its terms. [1] In the case of options with "automatic exercise", the net value of the option is credited to the long and debited to the short position holders.
August 2021) (Learn how and when to remove this message) In finance, an option on realized variance (or variance option ) is a type of variance derivatives which is the derivative securities on which the payoff depends on the annualized realized variance of the return of a specified underlying asset, such as stock index, bond, exchange rate, etc.
Root symbol of the underlying stock or ETF, padded with spaces to 6 characters; Expiration date, 6 digits in the format yymmdd; Option type, either P or C, for put or call; Strike price, as the price x 1000, front padded with 0s to 8 digits; Examples: [4] SPX 141122P00019500
For an out-of-the-money option, the further in the future the expiration date—i.e. the longer the time to exercise—the higher the chance of this occurring, and thus the higher the option price; for an in-the-money option the chance of being in the money decreases; however the fact that the option cannot have negative value also works in the ...
A trader who expects a stock's price to increase can buy a call option to purchase the stock at a fixed price (strike price) at a later date, rather than purchase the stock outright. The cash outlay on the option is the premium. The trader would have no obligation to buy the stock, but only has the right to do so on or before the expiration date.
In this case, it may make sense to exercise the option early in order to obtain the intrinsic value (K-S) earlier so that it can start to earn interest immediately. This is somewhat more likely to be worthwhile if there is no ex-dividend date (which would probably cause the price of the underlying to fall further) between now and the expiry date.
Prior to 2010, [1] standard equity option naming convention in North America, as used by the Options Clearing Corporation, was as follows: For example, an Apple Inc AAPL.O call option that would have expired in December 2007 at a $122.50 strike price would be displayed as APVLZ in old convention (AAPL071222C00122500 in new convention).
Stock options. The simultaneous expirations generally increases the trading volume of options, futures, and their underlying stocks, occasionally increasing the volatility of prices of related securities. On those same days single-stock futures also expire, so that the final hour is sometimes referred to as the quadruple witching hour. [1]