Full explanation — Aggression Factor (AF)
Aggression Factor (AF) is a popular HUD statistic that quantifies a player's post-flop aggression by calculating the ratio of (Bets + Raises) to Calls. It provides insight into how often a player opts for aggressive actions versus passive ones once the flop is out. An AF significantly above 3 generally indicates a highly aggressive player who frequently bets or raises, putting pressure on opponents. Conversely, a low AF (typically below 1.5-2) suggests a more passive player who prefers to call or check-call, often limiting their ability to build large pots or bluff effectively.