Tim Walz leads Polymarket politician volume at $88.7M and Donald Trump leads Kalshi at $48.6M in a new cross-platform ranking

Different leaders across the two platforms

Tim Walz tops Polymarket’s politician-volume ranking with $88.7M, while Donald Trump leads Kalshi with $48.6M, according to bonus.com. The cross-platform comparison identifies a different leader on each venue.

The report, published Oct 17, 2026 at 9:39 AM ET, ranks politicians by trading volume. The headline figures describe activity, not the market-implied probability of either politician winning a particular contest.

The source page was unavailable for review. The supplied material does not specify the measurement period, which contracts were included or how volume was aggregated, limiting what can be concluded from the comparison.

Separately, the accompanying news-search summary reported no significant new platform headline in the preceding 15 minutes. It described the search results as recirculated items already covered that day, rather than fresh developments.

What it means for prediction markets

• Keep the platform distinction: Walz’s $88.7M lead applies to Polymarket; Trump’s $48.6M lead applies to Kalshi. The supplied figures do not establish a combined ranking.
• Separate activity from odds: These volume totals do not indicate either politician’s likelihood of a specific outcome.
• Methodology remains unavailable: Without the reporting window and contract coverage, the figures alone cannot establish comparable participation or trading depth across the platforms.