Since late May, when Predict Fun launched the Crypto Up/Down 5min market, BTC 5min short-term price predictions have become the largest daily trading market on Predict Fun. Compared to the Crypto Up/Down 5min market, Predict Fun's daily trading volume is now about half that of Polymarket. In terms of unique trading addresses, the number of users trading in Predict Fun's 5min market continues to grow, gradually approaching the scale of Polymarket. High-frequency short-term markets are extremely sensitive to fees, and Predict Fun's fee rate is a clear advantage. On the other hand, with the introduction of market makers and institutions, liquidity in Predict Fun's short-term price prediction markets has significantly improved.