price at which each share of stock underlying a call or put option can be bought or sold, also called strike price. It is standardized in trading at $5 intervals for stock between $50 and $100, $10 intervals for those between $100 and $200, and $20 for those over $200.
dollar price at which a call option or put option is exercised. Also called strike price.
amount at which a put or call can be used to buy a stock, or a convertible security can be redeemed for shares of stock.
price at which the stock or commodity underlying a call or put option can be purchased (call) or sold (put) over the specified period. For instance, a call contract may allow the buyer to purchase 100 shares of XYZ at any time in the next three months at an exercise or strike price of $63.
