Polymarket has made a new announcement regarding Bitcoin, Ethereum, Solana, and XRP. While attention in Bitcoin and altcoins is focused on the FED decision today, Polymarket has released news regarding BTC, Ethereum, Solana, and XRP. Polymarket US announced that it will launch five-minute price direction prediction contracts for Bitcoin, Ethereum, Solana, and XRP on October 27, 2026. According to the announcement, the new product allows users in the US to take positions on whether the four crypto assets will rise or fall in the short term.