The total size of the Paris Olympic pool on the prediction market Polymarket has exceeded 10 million US dollars. As of now, the size of the prediction pool of the countries with the most medals in the Paris Olympic Games has reached 3.90 million US dollars, the size of the prediction pool of the countries with the most gold medals in the Paris Olympic Games has reached 3.30 million US dollars, and the size of the men's basketball gold medal prediction pool has reached 1.40 million US dollars.