Ethereum may soon break above its all-time high of $4,878 based on multiple technical indicators.Ethereum is positioned at a key inflection point, trading just above a multi-year support trendline, with historical rebound potential.The support trendline is reinforced by Fibonacci levels and the monthly 55 Exponential Moving Average (EMA).The formation of an ascending triangle pattern suggests a higher probability of an upward breakout for Ethereum, targeting $4,867.