Polymarket $3B Monthly Volume, Sports Deals Challenge Kalshi
WikiBit 2025-11-14 10:26
Polymarket reached its highest monthly trading volume in October 2025, at over $3 billion, representing a 110% increase compared to September’s $1.427
The numbers represented a reversal of a downtrend that started in January 2025, with volumes, active traders, and new traders slowly declining on a monthly basis until August, when the numbers began to recover.
However, Kalshi maintained its dominance by registering nearly $4.4 billion in October, after showing $2.86 billion in September.
As of November 13, Kalshi led monthly volumes with $2.3 billion, compared to Polymarkets approximately $1.3 billion.
Despite Polymarket achieving a higher percentage growth, Kalshis absolute numbers remained superior, making it the market leader in regulated prediction markets.
The combination of record trading volumes, major sports partnerships, exclusive media deals, and the silent US market testing positioned Polymarket to challenge Kalshis dominance as prediction markets continue their rapid evolution towards mainstream adoption.
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