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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.
If the price of XYZ stock falls to $40 a share right before expiration, then Trader A can exercise the put by buying 100 shares for $4,000 from the stock market, then selling them to Trader B for $5,000. Trader A's total earnings S can be calculated at $500. The sale of the 100 shares of stock at a strike price of $50 to Trader B = $5,000 (P).
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 market index options; 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 ...
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.
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 ...
Widow-and-orphan stock: a stock that reliably provides a regular dividend while also yielding a slow but steady rise in market value over the long term. [13] Witching hour: the last hour of stock trading between 3 pm (when the bond market closes) and 4 pm EST (when the stock market closes), which can be characterized by higher-than-average ...
For instance, on the day before an ex-dividend date, it may make sense to exercise an equity call option early in order to collect the dividend. In general, equity call options should only be exercised early on the day before an ex-dividend date, and then only for deep in-the-money options.