Record date
The record date is the date a company's board sets to determine exactly which are entitled to receive an upcoming , or to vote at an upcoming . The company checks its records as of that date, and whoever is a recorded owner at that point is the one who gets paid or gets to vote.
Because it can take a little time for a trade to settle and for ownership to formally change hands on the company's books, the is set relative to the record date based on the standard settlement cycle for trades. An investor needs to have purchased the early enough that the trade settles by the record date in order to show up as the owner of record and qualify for the or the vote. With US trades now settling one business day after the trade, the usually falls on the record date itself, so the last day to buy and still qualify is the business day before.
The record date matters most around and . For , missing the cutoff by even a day means the buyer will not receive that particular payment, even though they now own the , since the previous owner is still the one recorded as entitled to it. For votes, only those who owned shares as of the record date can cast a ballot, even if they sell the before the actual meeting takes place.