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Cincinnati win odds align as prediction markets diverge on spread

Kalshi prices Cincinnati at 87 percent and Polymarket at 86 percent to beat Tennessee on Sunday, but Kalshi traders centre the spread ladder at 10.5 points while Polymarket's default line sits at 13.5. The Kalshi 10.5-point contract has more than 650,000 contracts traded, far more than any other rung.

Cincinnati is heavily favored to beat Tennessee on Sunday across Kalshi and Polymarket, according to Rocky Top Insider. The platforms are close on the outright result but show a three-point difference in their highlighted spread levels.

The report, published Nov 1, 2026, at 12:15 PM ET, puts Cincinnati’s win probability at 87 percent on Kalshi and 86 percent on Polymarket.

A closer look at the spread

On Kalshi, trading centers on the 10.5-point spread contract. Polymarket’s default line is 13.5 points, according to Rocky Top Insider.

The Kalshi 10.5-point contract has recorded more than 650,000 contracts traded, far exceeding activity at every other rung of its spread ladder. That identifies the concentration of Kalshi trading, but the supplied figures do not include prices for the individual spread contracts.

What it means for prediction markets

  • Agreement on the winner: Cincinnati’s outright win probabilities differ by just one percentage point between the platforms.
  • Different spread reference points: Kalshi’s busiest rung and Polymarket’s default line are three points apart. Those are different measures, so the gap alone does not establish a comparable difference in traders’ expectations.
  • Volume is not probability: More than 650,000 contracts traded shows activity at Kalshi’s 10.5-point level, not the market-implied likelihood that Cincinnati covers it.
KalshiPolymarketInfiniti MarketsInfiniti Signals

Sources & attribution

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    Rocky Top Insider
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