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AQo vs 55 equity

Preflop, AQo beats 55 with exact equity 45.73% vs 54.27%: AQo wins 45.51%, 55 wins 54.04%, ties 0.44%. Computed by exhaustively enumerating all 10,273,824 deals.

AQo Win45.51%
55 Win54.04%
Tie0.44%
AQo Equity (win + tie/2)45.73%
55 Equity (win + tie/2)54.27%
Boards enumerated10,273,824
Suit combinations6
Losing frequencyAQo loses 1 in 1.9

Note: class-average values. Specific suit combinations (e.g. shared suits) shift the numbers by a few tenths of a percent.

FAQ

Who wins more often, AQo or 55?

55 is ahead: AQo has 45.73% equity vs 54.27% (exact enumeration).

How often do AQo vs 55 tie?

Ties occur 0.44% of the time (45,477 of 10,273,824 outcomes).

Are these numbers simulated?

No. All 10,273,824 board combinations are exhaustively enumerated — mathematically exact and reproducible.

Figures from app/data/matchup-matrix (exhaustive engine scripts/gen-matchup-matrix.mjs, cross-validated against lib/poker-equity.ts)

Cite this page: Pailiku, “AQo vs 55 equity”, pailiku.com/matchups/aqo-vs-55 (2026).