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Cincinnati win odds align as Kalshi and Polymarket spread lines diverge

Kalshi traders made 10.5 points the centre of the spread ladder with more than 650,000 contracts traded on that rung, while Polymarket priced Cincinnati at 86 percent with its default spread line at 13.5 points for the Sunday 1 p.m. ET kickoff.

Cincinnati was priced at 87 percent to beat Tennessee on Kalshi, compared with 86 percent on Polymarket, according to Rocky Top Insider. The near-match in outright win probabilities contrasted with different spread reference points.

The report, published Nov 1, 2026 at 1:15 AM ET, covered markets ahead of the Sunday 1 p.m. ET kickoff.

Different focal points on the spread

On Kalshi, 10.5 points was the centre of the spread ladder, with more than 650,000 contracts traded at that rung, according to Rocky Top Insider.

Polymarket’s default spread line was 13.5 points. That put its displayed reference point three points away from Kalshi’s central rung, even as the platforms’ Cincinnati win probabilities differed by just one percentage point. A default line and a heavily traded rung are distinct market features, rather than necessarily equivalent measures.

What it means for prediction markets

  • The outright markets showed closely aligned expectations: 87 percent for Cincinnati on Kalshi and 86 percent on Polymarket.
  • Spread comparisons require attention to the contract threshold: Kalshi’s 10.5-point focal rung was not the same proposition as Polymarket’s 13.5-point default line.
  • More than 650,000 contracts traded at Kalshi’s 10.5-point rung established activity at that threshold, but the supplied figures do not include comparable Polymarket volume or spread-contract prices.
KalshiPolymarketInfiniti MarketsInfiniti Signals

Sources & attribution

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    Rocky Top Insider
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