Equity Options are typically American Style, which means they can be exercised at any time prior to expiry. Note, the term American Style does not mean the expiry policy only applies to US stocks, stocks in other regions also have American Style Exercise terms.
Featured Video View All
Stocks, Indexes & ETFs - What's The Difference?
OptionAlpha video describing the difference between stock, index and ETF options.
External LinksEquity vs. Index Options
OIC article on the difference between stock and index options.Options Quick Facts - Equity Calls & Puts
CBOE introductory article explaining equity options