ADX

ADX, AdX, Adx, etc. may refer to:

Business and technology

 * Abu Dhabi Securities Exchange
 * Adams Express Company, stock symbol
 * ADX (file format), a streamed audio format
 * Authenticated Data Experiment, an early release of Bluesky's decentralized social network protocol
 * Average directional movement index, a technical indicator of trend strength in prices of a financial instrument such as a stock or bond
 * DoubleClick Ad Exchange (AdX), an ad exchange platform merged into Google Ad Manager
 * Intel ADX, add-carry instruction extensions in the x86 microprocessor architecture

Medicine

 * Adrenal ferredoxin, a small iron-sulfur protein in animals including humans
 * Adrenalectomy, the surgical removal of one or both adrenal glands or the state of having had one or both removed

Music

 * ADX, alternative spelling of British punk band The Adicts

Other

 * Administrative maximum or "supermax" prisons in the United States
 * United States Penitentiary, Florence ADX, the federal supermax prison in Florence, Colorado
 * Alpha Delta Chi, an American nation-wide Christian sorority
 * Amdo Tibetan language, from its SIL language code
 * Leuchars Station, United Kingdom, formerly RAF Leuchars, a British army installation in eastern Scotland (from its IATA airport code)