The Ex-Dividend Date, Explained
The ex-dividend date is the single date that decides who receives a declared dividend: buy the shares before it and the payment is yours; buy on or after it and the payment goes to the seller.
Why the cutoff exists
Trades take a business day to settle, but a company needs one fixed list of owners to pay. It sets a record date; the exchange then sets the ex-dividend date just before it, so that anyone buying on or after the ex-date cannot settle in time to be on the record. The ex-date, not the record or payment date, is the one that matters for timing.
On the morning a stock goes ex-dividend, its price typically opens lower by roughly the dividend amount. Nothing was lost — the value moved from the share price into the pending payment.
The mistake the ex-date defeats
Buying just before the ex-date to "capture" the dividend captures nothing: the expected price drop offsets the payment, and the dividend may arrive as a taxable event besides. Ex-date mechanics are worth knowing so schedules do not surprise you — not because they offer a free payment.
Our ex-dividend calendar lists upcoming ex-dates across the coverage universe, and every ticker page shows the next known ex-date for that security.