Written before the game and kept as published. Final: Kansas City Chiefs 24, Miami Dolphins 10 — the graded call is above.
There is almost nothing between these two on our numbers. The Dolphins rate -4.3 (30th of 32), the Chiefs +0.4 (16th) — 4.7 points apart before home field, inside the error bar of any preseason rating. The split comes out 47%/53%, and this rates as the 5th-closest game of the 16 in Week 3. When the model has no opinion worth holding, the price has to supply the edge.
Zoom out to the full season and the model projects the Dolphins at 5.0 wins (favored in 2 of 17) and the Chiefs at 10.6 (favored in 10) — 5.6 wins apart across the year. By win probability this is the 15th-hardest game on the Dolphins' schedule and the 12th-hardest on the Chiefs'.
The sharpest unit gap in the game runs one way: the Chiefs offense grades +1.3 (12th of 32) against a Dolphins defense at -3.9 (31st) — 5.1 points of separation on our scale, and the single biggest reason the line sits where it does. Going the other direction, the Dolphins offense (-0.7, 23rd) meets the Chiefs defense (-1.0, 16th), a 0.3-point gap.
One team has owned this series: the Chiefs are 6-3 in 9 regular-season meetings since 2002. They have also met 4 times in the playoffs. They last met in 2023: Chiefs won 21-14 in November. Over their last 4 meetings the Dolphins are 0-4. Worth saying plainly — the model does not know any of that. It reads 2026 ratings and nothing else, so a lopsided series is a story, not a number on this page.
Calibration check, because a near-even number is the easiest kind to overtrust: across 3266 walk-forward games (2013-2024) the model gave a side 50-55% in 870 of them, and those sides won 52%. The Chiefs at 53% are in that band. A margin that thin is why we would rather wait for a price than call it a lean.
Kalshi listed this game as KXNFLGAME-26SEP27KCMIA, and the contract has settled now that the game has been played. The last price we archived before kickoff is in the settled-market section on this page; there is no live price and no position left to take.
Prediction markets are not sportsbooks — you trade a contract that settles at $1 or $0, not a wager against a house line. Informational only; trade responsibly.