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Polymarket market share drops to 27 percent as Kalshi surges, Crypto Briefing reports

  • Polymarket market share drops to 27 percent as Kalshi surges, Crypto Briefing reports — Crypto Briefing, citing October 2026 data, says Polymarket's share fell from 96 percent two years ago to 27 percent, with Kalshi now trading nearly three times Polymarket's volume. Among US-regulated platforms, Kalshi held around 83 percent of market share in October, with Polymarket US at roughly 12 to 15 percent. (Crypto Briefing)

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