5.20 Bitcoin market analysis: 1. If the real negative column of Ethereum falls below 3010 today, it can be seen below 2770. The US stock market has been upward for most of the time on Monday. Respecting the historical law, it is bullish today. 2. Currently developing a short-selling robot. If BTC goes down, 95% of the market targets will go down. If BTC goes up, 70% of the market targets will go up. From this perspective, it is necessary to develop a short-selling robot.#Bitcoin#BTC#Ethereum#ETH#Altcoin#Quantitative Trading#QuantitativeStrategy