Will John James win the 2026 Michigan Governor Republican primary election?

John James is trading at a 2¢ premium on Polymarket (36¢) versus Kalshi (34¢), suggesting modest cross-venue mispricing with slightly higher conviction on this venue. The 603% implied yield on "Yes" positions reflects extreme leverage potential, but the 595% realized volatility and 2.31 vol ratio indicate this market is highly unstable—the 8¢ spread and modest $160 daily volume signal low liquidity that could amplify price swings as the August 4, 2026 primary approaches. With 108 days to expiry and an info arrival rate of 1.8 signals per hour, significant candidate announcements or polling shifts could rapidly reprrice this 36% probability.

Resolution rules

This market will resolve according to the winner of the Republican Primary for Governor of Michigan, scheduled to take place on August 4, 2026. Resolution will be based on the overall winner of the primary, including any potential second round or run-off. If no 2026 Michigan Gubernatorial Republican Primary takes place, this market will resolve to “Other.” The resolution source for this market will be the first official announcement of the results from the Michigan Republican Party; however, an overwhelming consensus of credible reporting may suffice.

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