Anirban Sen / Reuters:

Sources: Kalshi has probed and flagged 400+ suspicious trades YTD, more than 2x the number it investigated in all of 2025; Polymarket has seen a similar uptick  —  Top prediction market platforms Kalshi and Polymarket have witnessed a surge in suspicious trades this year …

Anirban Sen / Reuters:

Sources: Kalshi has probed and flagged 400+ suspicious trades YTD, more than 2x the number it investigated in all of 2025; Polymarket has seen a similar uptick  —  Top prediction market platforms Kalshi and Polymarket have witnessed a surge in suspicious trades this year …

Source: TechMeme
Source Link: https://www.techmeme.com/260516/p2#a260516p2