StockDuty ← Dashboard Nov 08, 2026 09:53 AM ET
SignalDerivatives

Researchers Identify Suspicious Activity on Kalshi and Polymarket Before Times/Siena Poll Release

Suspicious trading activity on Kalshi and Polymarket detected before Times/Siena poll release.

What happened: Researchers identified suspicious activity on Kalshi and Polymarket before the release of a Times/Siena poll. A trader placed well-timed bets on the two platforms in two Senate races. Why it matters: It was unclear whether the person had access to inside information or simply made good trades, according to the report.
Researchers identified suspicious activity on Kalshi and Polymarket before the release of a Times/Siena poll. A trader placed well-timed bets on the two platforms in two Senate races.
It was unclear whether the person had access to inside information or simply made good trades, according to the report.
Sources