Spread: Vikings (-6.5)
Crossbook compares what two exchanges, Polymarket and Kalshi, charge for the same event, and publishes a permanent scored record of its own forecasts under published rules.
Tracked on one venue, with Crossbook's own call on the record.
Bid/ask midpoint · retrieved 2026-10-25T16:55:28.403Z. Venue quote-update time is unavailable. Readings can be asynchronous.
54.5%bid 54.0% / ask 55.0%24h volume $330K · liquidity $491Kas of 25 Oct, 16:55 UTC · not refreshed recentlyView on PolymarketPrice, last 60 days
Crossbook forecast
- 45.3%against a market price of 48.5% at the timeNO
Logged 20 Oct 2026, 23:01 UTC · Brier 0.2048
- The retrieved base rate (31.8% cover for 6+ point favorites in 2026) is the named outside view, but its 25-game sample is small and far below the multi-decade cover rate for touchdown-sized favorites, so I regress upward toward the long-run mean before applying case evidence.
- Matchup signal favors the Vikings: they are 5-0 at home against a 2-4 Colts team that just lost to the Titans, and Minnesota is the stronger side by record, though the 6.5 line already prices most of that in.
- Colts injuries (Sauce Gardner doubtful, Alec Pierce on IR) weaken Indianapolis's pass defense and receiving corps, modestly raising the chance of a Vikings blowout.
- Counter-signal: Minnesota's own offensive line and weapons are banged up (Darrisaw, Hockenson questionable with concussions; Addison questionable), which compresses expected offensive output and makes covering a full touchdown harder; Mason only opening a practice window suggests backfield depth concerns.
- Divisional/conference context (AFC vs NFC, non-rivalry game) adds little; home field at U.S. Bank Stadium is standard and already embedded in the line.
What would change it: If Darrisaw, Hockenson, and Addison are all ruled out (or Gardner unexpectedly plays), the Vikings' covering probability drops toward the raw 31.8% base rate; conversely, full clearance of all Vikings questionables would push it toward 0.50.
Settlement sourcet-0263
Polymarket prices this at 54.5%. No verified equivalent is currently listed on the other venue, so there is no cross venue comparison on this page.
Volume over the last 24 hours is heavy, at about $330,296 on the busier venue.
This market has settled. The page is kept as a record of what the market said while the question was open, and of what Crossbook called.
Related markets
- Browns vs. Steelers
- FC Barcelona vs. Deportivo Alavés: Deportivo Alavés O/U 2.5 Corners
- LoL: Hanwha Life Esports vs G2 Esports (BO3) - Worlds Group Stage
- Science City Jena vs. Fraport Skyliners
- Will Arsenal win the 2026-27 UEFA Champions League Championship?
- Will Barcelona win the 2026-27 UEFA Champions League Championship?
Crossbook publishes every forecast it makes, timestamped before the answer is known and scored against the market afterwards. See the public record and the rules it is held to.