Dozen
1–12, 13–24 or 25–36, pays 2:1.
In context
Wins 32.43% of the time; zerowheelZeroThe single green pocket that no even-money, dozen or column bet covers; the source of the house edge. Also: single zero, 0.Read full → loses. Two dozens at once cover 24 numbers for a net of one unitmoneyUnitThe base stake a system or a player works in. Progressions are described in units so they apply at any table.Read full →.
“Dozens systems” are among the most sold roulette systems online; each is a rotation of which dozen to skip, and each has EV −2.70% of turnovermoneyTurnoverThe total amount wagered over a session or period, counting re-bet winnings. Also: handle, action.Read full →.