| Abbreviation | Definition |
|---|---|
| AA | Against Actuals |
| AAF | Asset Allocation Fund |
| AANG | Apple,Amazon,Netflix and Google |
| AAOE | Abort All Open Exchanges |
| AAP | Asset Allocation Plan |
| AAPP | Average All-Pig Price |
| AARL | Asset Allocation Related Liability |
| AASE | Australian Associated Stock Exchange |
| AB | Aktiebolag (Swedish, =Stock company) |
| ABI | Associazione Bancaria Italiana (Association of Italian Bankers) |
| ABIP | Asset Based Income Program |
| ABN | ABN AMRO Bank |
| ABS | Asset Backed Securities |
| ABS | Asset-Backed Security |
| ABS | Automated Bond System |
| ABSC | Asset Backed Securities Corporation |
| ABUK | Abou Kir Fertilizers (stock symbol) |
| ACCESS | American Computerized Commodity Exchange System And Services |
| ACCESS | American-Canadian Connection for Efficient Securities Settlement |
| ACE | AIBD (Association of International Bonds Dealers), Cedel, Euroclear |