Contracts

How crypto event contracts are built and settled.

• Nov 10, 2026
  Short-Duration Crypto Contracts: How 5- and 15-Minute Bets Took Off

  Five-minute, 15-minute and hourly crypto contracts became the main engine of crypto volume on prediction markets in 2026. Kalshi's monthly crypto volume rose from $340.2 million in January to $6.1 billion in July. The widely cited 44x jump compares one Kalshi record day with New Year's Day, and a Stanford study found signs of settlement manipulation in Polymarket's five-minute contract.