Kalshi Dominates Prediction Market Volume Over Polymarket
- From Sept. 11 to 17, Kalshi captured 62% of total trading volume in the on-chain prediction market sector.
- Kalshi’s weekly trading volume exceeded $500 million, with an average open interest of approximately $189 million.
- Polymarket accounted for 37% of total volume, with a trading volume of $430 million and average open interest of $164 million.
- The open interest-to-volume ratio for Kalshi was 0.29, compared to Polymarket’s 0.38.
- Polymarket is expanding its presence in the U.S., having acquired QCX, a regulated derivatives exchange.
- Polymarket has also launched earnings-based markets in collaboration with Stocktwits.
Kalshi’s significant lead in trading volume highlights its increasing popularity among users, as evidenced by its higher weekly trading pace compared to Polymarket’s longer-term market approach that locks user funds for extended periods.
With Kalshi achieving over $500 million in weekly trading volume and a lower open interest-to-volume ratio than Polymarket, it indicates more frequent trades among its users.(Source)
