Improve your poker game with this in-depth standard deviation in poker guide. Proven tactics and analysis from professional grinders.
Standard Deviation and Variance in Poker
Standard deviation measures how much your results fluctuate around your average win rate. In NLH cash games, a typical standard deviation is 60-80bb/100. In PLO, it is 100-140bb/100. In tournaments, variance is even higher.
What this means practically: with an 80bb/100 standard deviation and 3bb/100 win rate, you will have losing sessions regularly. Over 1,000 hands, your result could range from -157bb to +163bb (within one standard deviation).
Understanding variance helps you emotionally cope with losing streaks and make better bankroll management decisions. Variance is not bad luck — it is a mathematical certainty. Proper bankroll management ensures you survive the inevitable swings.
Applying This at the Tables
Understanding standard deviation and variance in poker is one thing — executing it under pressure is another. Practice by focusing on this specific concept for an entire session, then review relevant hands afterward to evaluate your execution.
Impact on Your Poker Income
Improving your strategic fundamentals directly increases your win rate. Combined with optimal rakeback from the right poker room, every strategic improvement multiplies your overall earnings. Use our rakeback calculator to ensure your room choice maximizes the value of your improving play.