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Whitmer nomination contracts show sharp pricing divide across prediction platforms

ArbTrader lists the contract among the widest cross-venue gaps on its other markets board. Each contract pays 1 dollar if the outcome occurs.

Gretchen Whitmer’s contracts in the 2028 Democratic presidential nominee market are priced 17 points apart across Kalshi and Polymarket, according to ArbTrader.

The figures, published Nov 6, 2026 · 9:00 AM ET, put the Kalshi contract at 1 cent and the Polymarket contract at 18 cents. Each contract pays 1 dollar if the outcome occurs.

A wide cross-platform spread

ArbTrader places the Whitmer contract among the widest cross-venue gaps on its other markets board. The reported prices show a substantial difference between the two platforms’ pricing of her nomination outcome.

The supplied summary does not explain the divergence or provide further contract details. The figures therefore establish a reported price gap, rather than its cause or whether traders could capture it.

What it means for prediction markets

  • Venue matters: The reported 1-cent and 18-cent prices offer markedly different readings of the same named candidate’s nomination prospects.
  • Payouts provide the comparison: Both contracts pay 1 dollar if the outcome occurs, against a reported price separation of 17 points.
  • The spread alone is incomplete: Without further contract and trading details, the summary does not establish an executable arbitrage opportunity.
KalshiPolymarketInfiniti MarketsInfiniti Signals

Sources & attribution

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    ArbTrader
    Publisher
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