Will Real Madrid CF win on 2026-08-22?
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.
Crossbook forecast
- 72.0%against a market price of 68.5% at the timeYES
Logged 18 Aug 2026, 02:45 UTC · Brier 0.0784
- August 22, 2026 falls in the opening weeks of the La Liga season, a Saturday fixture; absent opponent/venue details, the unconditional base rate of ~73–76% is the right anchor, with slight downward adjustment for early-season rust and possible away fixture.
- The market price of 68.5% sits below the unconditional base rate, which plausibly reflects information I lack — likely an away fixture or a mid-tier-to-strong opponent — so I shade my independent estimate down toward it rather than ignoring it.
- Early-season matches carry elevated variance (incomplete preseason fitness, new signings integrating, transfer window still open until Aug 31), which argues against pushing above ~0.75 even if Madrid is favored.
What would change it: Confirmation that the match is away against a top-six opponent (e.g., Atlético, Barcelona, Athletic) or news of injuries to key starters would move my estimate down toward 0.55–0.62.
Settlement source
Context
Polymarket prices this at 69%. 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 $683,145 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.
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