On October 21, 2023, the virtual currency market experienced a thrilling rollercoaster ride. In the afternoon, the market suddenly welcomed a wave of strong rises, with prices of various virtual currencies rapidly increasing, leading to a surge in investor sentiment as many rushed to enter the market to grasp this upward trend. However, the good times did not last long; in the evening, the market dramatically changed, with the price of $ETH plummeting sharply, a drop that left many astonished. This significant short-term volatility caught many investors off guard, and market sentiment quickly shifted from extreme optimism to panic. This market movement once again reminds investors that the virtual currency market carries extremely high risks, price fluctuations are unpredictable, and investment must be approached with extra caution; rational decision-making is crucial. Overnight, the market seemed to experience the changing of the seasons, prompting a reflection on the unpredictability of the virtual currency market.