最新报道:Polymarket has recorded over $7.74 billion in volumes so far in 2025, driven by the U.S. Presidential Election. Despite regulatory scrutiny and being blocked in some U.S. states like Nevada and New Jersey, it is set to open services to U.S. citizens after acquisition by a derivatives exchange. Robinhood recently launched sports prediction markets, facing legal challenges as event contracts are considered gambling in certain jurisdictions.