Spread: Georgia Tech (-7.5)
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 2026-09-03T23:55:29.431Z. Venue quote-update time is unavailable. Readings can be asynchronous.
41.5%bid 41.0% / ask 42.0%24h volume $20K · liquidity $104Kas of 3 Sept, 23:55 UTC · not refreshed recentlyView on PolymarketCrossbook forecast
Logged 1 Sept 2026, 02:44 UTC · Brier 0.2304
- With no injury, weather, or matchup-specific information provided, the outside view dominates: a 7.5-point favorite covering is close to a coin flip, slightly under 50%.
- The market at 43% is a modest divergence from the ~50% base rate; plausible causes include early-money imbalance on a recognizable brand (Colorado/Deion Sanders hype historically inflates public interest) or information I lack about injuries or line movement, which counsels only a small adjustment rather than full anchoring to 50%.
- Time decay is irrelevant here (game is in ~2 days, no postponement risk of note), so the estimate is driven purely by the spread-cover base rate plus minor deference to the book-implied shading.
What would change it: A credible report before kickoff of a key Georgia Tech starter (QB or multiple linemen) being ruled out would push this materially below 43%.
Settlement source+5.0 probability points from the market at generation · med confidence · Polymarket
Base rate: College football favorites priced at a -7.5 spread historically cover roughly 48–50% of the time, since spreads are set to split action evenly.
Chosen by hand.
Settlement
Every answer this call has been given, oldest first. Nothing is edited: a correction is a new entry beside the one it replaces.
NOsettled 5 Sept 2026, 00:00 UTC · recorded 5 Sept 2026, 00:00 UTC · entered by handsettlement
Polymarket prices this at 41.5%. 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 $19,696 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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This call is line t-0155 of the public append-only ledger, committed when it was published. It appears on the record alongside every other call, resolved and open.