CoinWorld data: Trader ps5 opened a 300-contract short position on the S&P 500 on Hyperliquid at an average price of $7,720, worth approximately $2.3171 million, and is currently down $1,140 unrealized. Meanwhile, he spent $7,812 on Polymarket to buy 8,400 shares in a prediction that interest rates will remain unchanged in October, and is currently up $211. The Federal Reserve will announce its interest rate decision at 2:00 a.m. on October 29 (UTC+8).