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October prediction trading tops $100 billion as Kalshi dominates activity

KuCoin, citing Artemis data published November 2, reports total prediction market volume reached 123.3 billion dollars in October, up 53.9 percent from September, on 642.9 million trades. Kalshi accounted for 98.2 billion dollars, or about 80 percent, with 465.5 million trades, while Polymarket recorded 20.2 billion dollars and 148 million trades, and football-season parlay products made up 67.6 percent of Kalshi monthly volume.

Prediction-market volume totaled 123.3 billion dollars in October, exceeding 100 billion dollars for the first time, according to KuCoin, citing Artemis data published November 2. Volume rose 53.9 percent from September, with 642.9 million trades recorded.

Kalshi accounts for about four-fifths of volume

Kalshi generated 98.2 billion dollars in October volume, representing about 80 percent of the total, according to KuCoin. The platform recorded 465.5 million trades.

Polymarket recorded 20.2 billion dollars in volume across 148 million trades. The figures put Kalshi ahead of Polymarket on both traded value and transaction count for the month.

Football-season parlays shape the monthly mix

Football-season parlay products accounted for 67.6 percent of Kalshi’s monthly volume, according to KuCoin. That concentration makes the product mix important context for interpreting the platform’s share of overall activity.

The October figures show a larger market by traded volume, but also substantial concentration in one venue and, within that venue, football-season parlays. The supplied data do not establish whether that mix will persist beyond the month.

What it means for prediction markets

  • A new volume threshold: October’s 123.3 billion dollars and 53.9 percent monthly increase mark a significant expansion in aggregate trading activity.
  • Venue concentration matters: Kalshi’s roughly 80 percent share means its activity heavily shapes the market-wide volume total.
  • Product mix warrants attention: With football-season parlays contributing 67.6 percent of Kalshi volume, the headline growth figure should not be read as evidence of uniform expansion across contract categories.
KalshiPolymarketInfiniti MarketsInfiniti Signals

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    KuCoin
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