MARKETSACTIVE
1 hour ago
Researchers Identify Suspicious Activity on Kalshi and Polymarket Before Times/Siena Poll Release

What's happening
SignalsMonitor is following this as a markets story. New York Times Business is the outlet attached so far. The first report grouped here was at 7 Nov 2026, 02:55 UTC. The headline in use is “Researchers Identify Suspicious Activity on Kalshi and Polymarket Before Times/Siena Poll Release”. This note is SignalsMonitor's own briefing, not the publisher's article.
What we know
A trader placed well-timed bets on Polymarket and Kalshi in two Senate races. It was unclear if the person had access to inside information or simply made good trades.
New York Times BusinessRead at New York Times Business
Story timeline
Reports grouped into this story, earliest first. Exact repeats from the same outlet are collapsed.
- First reported by New York Times Business
Researchers Identify Suspicious Activity on Kalshi and Polymarket Before Times/Siena Poll Release
Reported by 1 outlet
- The New York Times