Share another textbook level standard rhythm. Ethereum ETH has been continuously declining since mid February, constrained by EMA21 throughout the entire process. Multiple tests have failed, and every time it encounters it, it turns downwards. This rhythm has lasted for three months. Until a bullish candlestick broke through EMA21, the market held sideways for 15 days and retraced to EMA21 twice to confirm support. The trend at the textbook level is often a major market trend.