bb/100 is a win-rate statistic representing big blinds won per 100 hands.
Explanation. In cash-game analytics, bb/100 measures your profitability by showing how many big blinds you win on average per 100 dealt hands. It provides a normalized metric to compare performance across different stakes. Intermediate players use it to track progress over large sample sizes and evaluate game selection or strategic adjustments. Solid sample size and understanding of variance are necessary to interpret it correctly.