™If pattern day trader appears in a quote, filing or account screen, read it together with the instrument, timeframe and calculation method.
Trading
Pattern day trader
A U.S. margin-account designation triggered by specified day-trading activity under applicable rules.
Plain-English context
Why it matters
This term is part of the language used to describe ownership, pricing, transactions and investment outcomes.
Assuming Pattern day trader has one universal interpretation without checking the source, rules, timeframe or methodology.
Use current definitions. Product terms, tax treatment and market rules can change. Confirm important details with official disclosures, regulators and regulated providers.