Card odds: 5-card and 7-card poker hand probabilities, chance of hitting your ou...

{ "method": "GET", "queryParams": { "mode": "outs", "outs": 9, "stage": "flop" }, "type": "http" }

{ "example": { "asOf": "2026-10-11T14:44:17.103Z", "cardsToCome": 2, "degraded": false, "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.", "notChecked": [ "opponents' hands, betting and ranges: these are single-player card-counting odds only", "whether your outs are 'clean' (cards that also help an opponent)", "…2 more" ], "oneIn": 2.8597883597883595, "outs": 9, "probabilityByRiver": 0.3496762257169288, "probabilityNextCard": 0.19148936170212766, "reasons": [ "Exact: 1 - C(unseen - outs, cards to come) / C(unseen, cards to come), with 2 hole cards and the board seen.", "The 'rule of 2 and 4' approximation (outs x 4 on the flop, x 2 on the turn) is close for small outs and overstates large ones." ], "ruleOf2And4": 0.36, "source": "computed locally (exact counting)", "stage": "flop", "summary": "9 outs from the flop: 34.97% to hit by the river (1 in 2.86); 19.15% on the next card alone.", "unseenCards": 47, "verdict": "COMPUTED" }, "type": "json" }