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Mississippi Senate contract awaits settlement after sharp Republican probability drop

PredictionBubbles reports the Polymarket contract on the Republicans winning the Mississippi Senate race in 2026 fell 67.1 points in 24 hours to 19.4 percent and is now awaiting settlement, with 2.4 million dollars traded. The repricing followed Democrat Scott Colom's strength in the race, which has been the most-traded prediction market across venues.

The Polymarket contract tracking a Republican victory in the 2026 Mississippi Senate race fell 67.1 points over 24 hours to 19.4 percent, according to PredictionBubbles.

The update, published Nov 4, 2026 at 8:15 AM ET, said the contract was awaiting settlement, with 2.4 million dollars traded.

Colom’s strength precedes repricing

According to PredictionBubbles, the shift followed strength from Democrat Scott Colom in the race. The summary provided no further detail on that strength or the basis for the contract’s pending settlement.

PredictionBubbles also described the race as the most-traded prediction market across venues. That broader ranking is distinct from the 2.4 million dollars in trading reported for the Polymarket contract.

What it means for prediction markets

  • The 67.1-point decline marks a substantial reversal in the contract’s implied probability of a Republican win over a single 24-hour period.
  • The reported 19.4 percent level is a market reading, not confirmation of the election result. The contract was still awaiting settlement.
  • The cross-venue trading ranking highlights the race’s prominence among prediction-market participants, but the supplied summary does not give a combined volume figure.
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Sources & attribution

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