Buffalo Bills vs Houston Texans
Sunday, September 13, 2026 · NRG Stadium, Houston, TX
Quick Answer
As of August 1, 2026, Kalshi implies 51% for the Texans in Buffalo Bills vs Houston Texans, NFL Week 1 2026, while our model has the Texans by 0 (50% to win) — a 0.1pp agreement. No actionable edge — we pass.
BUF
+4.2
HOU
+1.8
Bills
50%
model win prob
Texans
50%
model win prob
Power-rating comparison
Bills–Texans is a coin flip on our numbers
The better team here is the visitor, and it still is not favored. The Bills rate +4.2 (4th of 32) against +1.8 for the Texans (9th) — but 2.5 points of home field is larger than the 2.4-point gap between them, so the model lands at 50% for the Texans anyway. That is the whole story of this line: venue, not talent. It rates as the 2nd-closest of the 16 games in Week 1, and a game this tight is decided by the price, not the model.
Zoom out to the full season and the model projects the Texans at 9.2 wins (favored in 11 of 17) and the Bills at 10.3 (favored in 13) — 1.0 wins apart across the year. By win probability this is the 7th-hardest game on the Texans' schedule and the 4th-hardest on the Bills'.
The sharpest unit gap in the game runs one way: the Bills offense grades +4.0 (2nd of 32) against a Texans defense at +2.4 (1st) — 1.6 points of separation on our scale, and the single biggest reason the line sits where it does. Going the other direction, the Texans offense (-1.3, 26th) meets the Bills defense (-0.2, 11th), a 1.0-point gap.
Recent history, for context only: 12 regular-season meetings since 2002, 7-5 in the Texans' favour, plus 1 playoff game. They last met in 2025: Texans won 23-19 in November. Over their last 4 meetings the Texans are 3-1. It is not an input to the line — rosters turn over faster than series records do.
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 Texans at 50% are in that band. A margin that thin is why we would rather wait for a price than call it a lean.
Kalshi's KXNFLGAME-26SEP13BUFHOU contract implies 51% for the Texans against our 50% — a 0.1-point gap. That is inside our 5-point threshold, so we pass — the market and the model are telling the same story.
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.
Bills vs Texans — frequently asked
Who is favored in Bills vs Texans in Week 1?
Our power-rating model favors the Texans by 0 points, a 50% win probability over the Bills. Kalshi's KXNFLGAME-26SEP13BUFHOU market implies 51% for the Texans — a 0.1pp agreement with the model.
Why does the model call this a toss-up?
Because the Texans (+1.8, 9th) and Bills (+4.2, 4th) are only 2.4 rating points apart. The 2.5-point home-field adjustment is larger than the gap between the teams, so home field is effectively the entire margin and the split lands at 50%/50%. In games like this the model is not the deciding input — the contract price is.
How do you take a position on Bills vs Texans?
The contract is KXNFLGAME-26SEP13BUFHOU on Kalshi, a CFTC-regulated exchange open to traders in all 50 states. Texans YES is quoted around 51c against our 50% model number. There is no point spread — you buy a yes or no contract on a team and it settles at $1 or $0.
When and where do the Texans host the Bills?
Buffalo Bills visit the Houston Texans on Sunday, September 13, 2026 — a Sunday game in NFL Week 1, at NRG Stadium, Houston, TX.
What does the model project for the Texans and Bills this season?
Across all 17 games the model projects the Texans at 9.2 wins (favored in 11) and the Bills at 10.3 (favored in 13). This game ranks 7th-hardest on the Texans' schedule and 4th-hardest on the Bills', by model win probability.
How often does the model win when it is 50% on a team like the Texans?
52% of the time. Over 3266 walk-forward games from 2013-2024 — trained only on prior seasons, no market line as an input — the model put a team in the 50-55% range 870 times, and those teams won 52% of them. The Texans at 50% over the Bills sit in that band, off a 0-point model line. Straight-up across all 3266 graded games the model picked winners at 59.6%, with a Brier score of 0.236 against 0.25 for a coin flip.
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