On Polymarket and Kalshi, five‑minute crypto bets now dominate prediction flows
Ultra‑short crypto bets on Polymarket and Kalshi now drive most crypto volume, blurring hedging and gambling as AI bots, HFT firms and retail chase five‑minute wins. Summary Polymarket and Kalshi list five‑ to 15‑minute “up‑down” contracts on BTC, ETH and other coins that already account for more than half of their crypto trading. Retail users
