Backgammon glossary · V

Volatility

How much a position’s equity can change per roll; high volatility opens the doubling window.

How it works in play

Volatility measures how much a position can swing on the next exchange of rolls. The more volatile it is, the earlier you should double, because a good roll may turn a take into a pass before you get another chance.

  • Doubling window — The range of winning chances where doubling is correct and the opponent should still take.
  • Double — An offer to double the stakes via the doubling cube, made before rolling.
  • Equity — The expected value of a position, typically expressed in cube units or points.

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