Polymarket active traders jump 18% as six-month slump ends, but average trade size falls

The Block

Aug 13, 2025 04:06:02

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Polymarket had over 286,000 active traders in July, its highest total since April, ending a six-month downtrend for this metric. July’s total rose by over 18% from June, and is the first month-over-month increase since January, as this metric had been declining by an average rate of 12% per month since January.

Meanwhile, the number of new markets on Polymarket experienced a notable surge in July, with over 11,500 markets representing a 44% month-over-month increase. Yet unlike the number of active traders, the number of new markets on the platform has consistently increased every month since Polymarket’s inception, reflecting expansion and diversification beyond the platform’s early politics-heavy focus.

On the other hand, trading volume moved the other way, declining 8.6% month-over-month to about $1.06 billion. That implies an average trade size of $3,700 per user in July compared to $4,800 per user in June.

In short, the average user traded smaller in July even as the platform's total users grew.

Following a federal investigation that was dropped last month, Polymarket bought derivatives exchange QCEX. Polymarket said the acquisition "marks a significant step toward expanding access to Polymarket’s category-defining platform in the United States."

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