What Is an Ex-Dividend Date?
The ex-dividend date is the first day on which a stock trades without the right to a dividend that a company has already announced. A buyer who purchases shares on or after this date will not receive the upcoming payment. Anyone who owned the shares before the ex-dividend date keeps the right to the payment, even if they sell the shares afterward. The word "ex" means "without," so a stock trading ex-dividend is trading without the entitlement attached to it.
How the Ex-Dividend Date Works
When a company's board declares a dividend, it also sets a record date, the day it checks its list of shareholders to decide who will be paid. Trades take time to settle, so exchanges set the ex-dividend date to keep the record date and the ownership of shares in line. In markets that use a one-business-day settlement date cycle, the ex-dividend date and the record date are usually the same day. To receive the payment, an investor must therefore hold the shares before the ex-dividend date.
Price Effect and Example
On the ex-dividend date, a stock's price often falls by roughly the amount of the dividend, because the buyer no longer receives that cash payment. For example, if a stock closes at 40.00 the day before its ex-dividend date and the declared dividend is 0.50 per share, the price might open near 39.50, all else being equal. Market movements on any given day can easily outweigh this adjustment, so the drop is an expectation rather than a guarantee.
Why It Matters to Investors
The ex-dividend date determines who receives a declared payment, which matters for investors who track income. It also helps explain sudden price changes on charts and why historical prices are often adjusted for dividends. Investors comparing stocks may use the dividend yield alongside the ex-dividend date to understand the income a stock has paid over time.
Updated October 20, 2026. For general education only; not financial, tax or legal advice.