Cboe revives S&P 500 binary options, chasing a market popularized by Polymarket, Kalshi
CoinDesk· Shaurya Malwa· Jun 24, 2026 · 10:38 AM

One of the largest U.S. derivatives exchanges is bringing back yes/no bets on the S&P 500 after pulling them a decade ago, moving onto turf that Polymarket and Kalshi turned into one of the internet's fastest-growing corners.
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