Update
Crypto Contracts Reach Record $2.7B in Weekly Volume
Crypto contracts on Kalshi and Polymarket hit a record $2.7 billion in weekly volume, driven by short-term bets on bitcoin's price movements. The volume reached $8.17 billion between September 1 and 28, with most of it coming from 15-minute markets. This represents a significant increase in crypto's share of total volume on both platforms, jumping from about 2.6% before the format launched to 14.5% in September.