Polymarket has 50% more crypto open interest, while Kalshi is generating 11.3x more notional volume.
We broke down the data across open interest, notional volume, and short-duration executed flow.
A deep dive into Kalshi vs Polymarket across crypto prediction markets. 🧵
Polymarket US has flipped Polymarket notional volume for the first time.
September Notional Volume:
1. Polymarket US - $2,994,169,131
2. Polymarket - $2,270,776,406
It comes as Polymarket ramps up efforts to scale its US business, with NFL season driving a new wave of
