Polymarket's market share falls to 27% as Kalshi takes the lead
- —Kalshi traded roughly $65 billion in October, up about 10% from September
- —Polymarket US recorded $10 billion in volume, up about 15% month over month
- —Kalshi held around 83% of US-regulated prediction market share
- —Open interest: $2.05 billion at Kalshi versus $384 million at Polymarket US
Why it matters: A CFTC-regulated model with Robinhood and Coinbase distribution is displacing the on-chain platform in prediction markets.
Source: Crypto Briefing