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Browns vs. Steelers

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.

TradingEvent date Sun, 1 Nov 2026, 18:00 UTCLast checked 29 Oct 2026, 20:40 UTC
PM

Bid/ask midpoint · retrieved 2026-10-29T20:40:28.683Z. Venue quote-update time is unavailable. Readings can be asynchronous.

35.5%bid 35.0% / ask 36.0%24h volume $3K · liquidity $119Kas of 29 Oct, 20:40 UTCView on Polymarket

Crossbook forecast

39.8%against a market price of 35.5% at the timeOpen

Logged 28 Oct 2026, 13:01 UTC

  • Both teams enter at 5-2 with clean injury reports, so there is no case-specific edge to move off an even-matchup prior; the only asymmetry is venue, which is tentatively Acrisure Stadium (Pittsburgh), making the Browns the likely road team.
  • The head-to-head cover rate of exactly 5/10 is signal that this matchup has been priced as a coin flip historically, but it is a spread-covering rate, not a win rate — one comparison, treated as an anchor only.
  • Recent form is symmetric noise: Browns won by 3, Steelers by 6, both last week; neither result carries information about this game's outcome beyond confirming both teams are competent.
  • Venue is the dominant uncertainty: if the game were in Cleveland the estimate would flip to roughly 0.56; the retrieval note suggests Pittsburgh but could not confirm it, so I shade only modestly below 0.50 rather than applying the full home-field adjustment.

What would change it: Confirmation that the game is being played in Cleveland, or a late-week injury/suspension announcement sidelining a Steelers starter, would push this toward or above 0.50.

+4.3 probability points from the market at generation · med confidence · Polymarket

Base rate: Road teams in roughly evenly matched NFL divisional games win about 42-45% of the time (home teams win ~55-57% league-wide over recent decades); the 5-of-10 head-to-head cover rate confirms this pairing has been effectively even against the spread, and the venue is tentatively Pittsburgh per the retrieval notes.

Chosen by Crossbook's published selection rule (auto-v1), not by hand.

Formed blind at 44.0%, without sight of the price; published at 39.8%, the market’s 35.5% moved 50% of the way toward it by fixed rule. None of the cited facts could be shown to be one the market had not already priced. That check is recorded, not enforced.

What this call was reading

  • The Browns have a 5-2 regular-season record. as of 2026-10-28 · cbssports.com · within 14 days of this call
  • The NFL Week 8 injury listing reported no injuries for the Browns. as of 2026-10-28 · nfl.com · within 14 days of this call
  • The Steelers have a 5-2 regular-season record. as of 2026-10-28 · steelers.com · within 14 days of this call
  • The NFL Week 8 injury listing reported no injuries for the Steelers. as of 2026-10-28 · nfl.com · within 14 days of this call
  • The Browns covered the closing spread in 5 of their 10 head-to-head games against the Steelers from January 3, 2022, through October 1, 2026. as of 2026-10-01 · vegasinsider.com
  • The Browns won their most recent game, beating the Tennessee Titans 27-24 on October 25, 2026, by 3 points. as of 2026-10-25 · espn.com · within 14 days of this call
  • The Steelers won their most recent game, beating the New Orleans Saints 16-10 on October 25, 2026, by 6 points. as of 2026-10-25 · espn.com.sg · within 14 days of this call

Polymarket prices this at 35.5%. 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 modest, at about $2,621 on the busier venue. It closes in 3 days. Prices this close to resolution move on news rather than on reassessment.

Related markets

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.

This call is line t-0280 of the public append-only ledger, committed when it was published. It appears on the record alongside every other call, resolved and open.