ANOVA: Analysis of Variance
ANPR: Advance Notice of Proposed Rulemaking
ANSI: American National Standards Institute
ANZ: Australian & New Zealand Bank
AOA: Angolian New Kwanza
AOA: Kwanza
AODB: American Stock Exchange Options
AOM: Administration Operations and Management

AOM: Australian Options Market

AON: All or None

AON: Angolan New Kwanza
AOR: Angolan kwanza readjustado

AP: Accounts Payable
AP: Agreement to purchase
AP: Associated Person
APC: accounting processing code
APCIMS: Association of Private Client Investment Managers and Stockbrokers
APEF: AlterMed Alternative Private Equity Fund
APG: Administrative Policy Group
API: American Petroleum Institute
APL: Above Poverty Line
APO: Army Post Office

APR: Annual Percentage Rate

APT: Arbitrage Pricing Theory
APT: Asset Protection Trust
APT: Automated Pit Trading
APT: Automated Pit Trading System

APV: Adjusted Present Value

APY: Annual Percentage Yield

AQO: Average Qualitative Opinion

AR: Accounts Receivable
ARA: Argentine austral
ARCH: autoregressive conditional heteroskedasticity
ARES: American Real Estate Society
ARL: Argentine peso ley

ARM: Adjustable Rate Mortgage
ARM: Argentine peso moneda nacional
ARP: Argentine peso argentino

ARR: ACCOUNTING RATE OF RETURN
ARS: Argentine Peso