Will Marsha Blackburn win the 2026 Tennessee Governor Republican primary election?

Marsha Blackburn is priced at an extremely high 90¢ probability on Polymarket with minimal 24-hour volume of just $11.92, suggesting thin liquidity despite $14.4K in open interest. The "No" side shows an extraordinarily high implied yield of 3,027%, indicating severe mispricing or minimal belief in any challenger emerging, though this asymmetry is typical for heavily favored outcomes. The 1¢ spread between Polymarket (90¢) and Kalshi (89¢) is negligible, and with 109 days to expiry, the market appears to be pricing in Blackburn as the near-certain Republican nominee absent a major political shock.

Resolution rules

This market will resolve according to the winner of the Republican Primary for Governor of Tennessee, scheduled to take place on August 6, 2026. Resolution will be based on the overall winner of the primary, including any potential second round or run-off. If no 2026 Tennessee 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 Tennessee Republican Party; however, an overwhelming consensus of credible reporting may suffice.

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