Markets· ★★★· neutral·

Kalshi handles 18.37B contracts in Sept. 28-Oct. 4 week

  • —Kalshi: 18.37B contracts for the week, up 17.28% from 15.66B
  • —Exotics subset: 11.82B contracts, 64.34% of platform volume, up 24.87%
  • —Largest single market: 10-leg NFL combo with 117.16M contracts
  • —Polymarket US: 2.71B Trade Volume, down 4.41% week over week
Why it matters: Record Kalshi volumes signal prediction markets are becoming a major crypto-adjacent segment competing with Polymarket.
Source: DeFi Rate
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