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Millions Wagered on US Midterm Election Outcomes Across Prediction Platforms

Prediction market platforms Kalshi and Polymarket have seen substantial trading activity, with over $220 million in wagers placed on the results of the upcoming US midterm elections, particularly focusing on the Texas Senate race.

PredictionSites Newsroom · 14 October 2026

Activity on prediction market platforms has surged ahead of the US midterm elections, with participants committing more than $220 million to contracts tied to the various outcomes. This figure encompasses trading volumes observed on platforms such as Kalshi and Polymarket.

These platforms allow individuals to buy and sell contracts based on future events, with the price of a contract often reflecting the perceived probability of that event occurring. For example, if a contract for a specific candidate to win is trading at 70 cents, it suggests a 70% chance of that outcome according to market participants. The overall volume indicates strong interest in these political contests.

A significant portion of the total money wagered is reportedly focused on the Texas Senate election. This particular race appears to be attracting considerable attention and investment from those utilising prediction markets to forecast political results.

Prediction markets offer a unique perspective on potential future events, as their prices are driven by collective financial incentives rather than traditional polling methods. The substantial sums involved in these midterm election contracts underscore the growing role of these platforms in providing real-time sentiment on political races.

Reported first by New York Post — read the original report. This article was written by the PredictionSites newsroom from that report.