When Polymarket launched?
Polymarket was launched in 2020. Key timeline: 2020 - Platform founded and launched by Shayne Coplan.
4M by CFTC and blocked from US users. May 2024 - Raised $70M in funding rounds. October 2025 - Received $2B investment from Intercontinental Exchange (ICE).
December 2025 - Legally launched in the US after acquiring QCEX. The platform has grown to become the world's largest prediction market by volume.