A large trader on Polymarket placed a $57,000.98 buy order on the "No Change" outcome in the "Federal Reserve's September Decision" market, according to on-chain data monitored by Catcher Predict. Based on the current transaction price, the latest implied probability for that outcome is 40%. In prediction markets, market prices are commonly interpreted as implied odds, so sizeable trades can offer a read on how participants are positioning around a policy event.