Sources: Kalshi has identified and reported over 400 suspicious trades this year, more than double the total it examined throughout 2025; Polymarket has experienced a similar increase (Anirban Sen/Reuters)
Written by Emily J. Thompson, Senior Investment Analyst
Updated: 20 hours ago
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Source: Techmeme
Increase in Suspicious Trades: Kalshi has flagged over 400 suspicious trades year-to-date, which is more than double the number investigated in all of 2025.
Market Trends: The PolyMarket platform has also experienced a surge in suspicious trades this year, indicating a broader trend in the prediction market space.
About the author
Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
