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

- Source: NYT Business
- Published: 2026-11-07T02:55:47+00:00
- Category: Local
- Original: https://www.nytimes.com/2026/11/06/technology/kalshi-polymarket-nyt-siena-poll-bets.html
- Canonical: https://groundlevelnews.com/story/researchers-identify-suspicious-activity-on-kalshi-and-polymarket-befo-54a25d/

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.

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