Bitcoin Bettors Push Kalshi and Polymarket to a Record $2.7B Week

Crypto contracts on Kalshi and Polymarket hit a record $2.7 billion in weekly volume, driven mostly by short-term bets on where bitcoin heads next. Weekly notional volume in crypto-related contracts on Kalshi and Polymarket reached a record $2.7 billion , with most of that money going into short-term bets on bitcoin and other crypto price moves. Consequently, crypto now ranks second only to sports on both platforms. Bitcoin spent the past week chopping between roughly $80,000 and $84,000, a small range that can reward quick in-and-out trades. On Kalshi, crypto volume reached about $8.17 billion between Sept.