™If wash-sale window appears in a quote, filing or account screen, read it together with the instrument, timeframe and calculation method.
Taxes & Account Rules
Wash-sale window
The period from 30 calendar days before through 30 calendar days after a loss sale, including the sale date.
Plain-English context
Why it matters
This term is part of the language used to describe ownership, pricing, transactions and investment outcomes.
Assuming Wash-sale window 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.