Standard Deviation
Poker Strategy / Tutorials, Texas Hold'em Terminology DictionaryStandard deviation is a statistical measure of how much a result fluctuates around its mean (EV). In Texas Hold'em, it is typically used to describe how stable or volatile a player's profit curve is, and the magnitude of their bankroll fluctuations.
Even if two players have the same EV, they may still experience completely different downswing and upswing due to differences in Standard Deviation.
This article will provide a comprehensive overview of the definition of Standard Deviation, its relationship with Variance, its impact on Bankroll Management, and how professional traders utilize standard deviation to control risk.



