Kalshi Parlay Math: Why 3 Correlated Legs Are Worth 22.1%, Not 17.4% | Combo Edge

About this video

Three Kalshi legs on one game: Ravens moneyline, Ravens team total over 23.5, Lamar Jackson 250+ pass yards. A parlay calculator multiplies them and says 17.4%. That number is wrong — and it's wrong in your favor. These legs move together. Baltimore winning pushes the total up. The total going up means Lamar is throwing. The Combo Edge Builder sums every scoreline where all three legs hit instead of multiplying them as if they were independent. True joint win probability: 22.1% — a +27% correlation bonus over the naive math. 22.1% makes fair value 4.52x. The band runs 3.93x to 5.32x. The platform quoted 5.6x — above the band, EV +24%, quarter-Kelly size 1.3% of bankroll. Verdict: SMASH. Build your own slip — free, no account, up to 6 legs: What's in the tool: - Live Kalshi board with model fair value on every leg - Margin × total scoreline model built for correlated same-game legs - Naive multiply vs. true joint win% side by side - Fair multiplier band — paste your platform's quote, get a verdict - 7-tier verdict ladder from PASS to SMASH An edge is model-vs-market disagreement, not a guarantee. Trade responsibly. More tools and daily market reads:

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