- abs.
- Accrual bond
- Acquisition currency
- Actively managed fund
- Additional margin
- Admission of securities to the Regulated Market
- Admission to the exchange
- Admissions Office
- AIBD return (ISMA return)
- Allotment
- American depositary receipt (ADR)
- American depositary share (ADS)
- American-style option
- Annual General Meeting
- Arbitrage
- Ask
- Ask price
- Asset-backed security
- Asterisk * (price addendum)
- At the money
- Auction principle
- Automatic exercise (warrants)
