The latest data from Polymarket shows that China has surpassed the United States in the prediction market with the most gold medals in the Paris Olympic Games. The current forecast pool size has reached 7.60 million US dollars. The probability of China having the most gold medals in the Paris Olympic Games has risen to 54%, and the probability of the United States has dropped to 44%. However, in the prediction market of the countries with the most total medals in the Paris Olympic Games, the probability of the United States is close to 100%, and the forecast pool size reaches 7.50 million US dollars. In addition, the Olympic men's basketball gold medal prediction pool is the third largest, with a fund pool size of about 3.70 million US dollars. The current probability of winning is 92%.