From the 4-hour perspective, Ethereum's price has found effective support after retracing to the MA30 moving average. The moving average system is in a bullish alignment, indicating the medium-term trend remains strong. The Bollinger Bands are expanding upward in unison, with the bands widening, suggesting that upward momentum is continuing. The MACD indicator is above the zero axis, with both lines showing signs of turning upward again, and the green histogram bars are increasing, indicating the overall bullish pattern remains unchanged.