According to the monitoring of on-chain data analyst Ember, a whale address spent 12.11 million USDT to buy 5,093 ETH at noon today, and sold the ETH in a short period of time for 12.23 million USDT, making a profit of 125,000 USDT. This transaction shows that the market has a keen ability to capture the short-term fluctuations of ETH, demonstrating the importance of on-chain data analysis in investment decisions. Investors can pay attention to on-chain data to obtain more market opportunities.