Ethereum has reached the $2,600 level but is encountering resistance at a weekly supply zone.On the 4-hour chart, Ethereum shows a potential short retracement may occur after a recent shift in structure.There is uncertainty in the market as Ethereum did not sweep all the liquidity below before its rally, indicating a possible pullback.Traders are advised to watch for signs of a short retracement before any significant continuation in Ethereum's price.