Polymarket launched its “Bitcoin Up or Down” markets on its US app on September 22, 2026. Users can bet on whether Bitcoin’s price will finish above or below a reference price at the close of each 15-minute window, with settlement automated via Chainlink’s BTC/USD oracle. These markets run continuously, 24 hours a day, seven days a week. The CFTC is examining whether these contracts qualify as event contracts or derivatives, which could force Polymarket to modify its product or re-register under different regulations.
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