Ethereum surged close to 20% and climbed above the $170 resistance against the US Dollar. However, ETH price is struggling to gain momentum above the 100-day simple moving average.Ethereum is up close to 20% and it broke the $155 and $165 resistance levels against the US Dollar.The price even tested the $175 resistance and the 100-day simple moving average.There is a crucial bearish trend line forming with resistance near $182 on the daily chart of ETH/USD (data feed via Kraken).The pair must climb above the $180 resistance and the 100-day SMA to move into a larger uptrend.Ethereum Price Jumps SignificantlyIn the past few sessions, there was a sharp increase in Ethereum above the $150 resistance (as discussed yesterday) against the US Dollar. ETH price outpaced bitcoin and rallied close to 20% to trade above the $165 resistance.During the rise, there was a clear break above the $155 resistance. The price even climbed above the 23.6% Fib retracement level of the last major decline from the $252 high to $90 swing low.The price traded above the $170 level, but it seems like it is facing a strong resistance near the $175 level and the 100-day simple moving average. The 50% Fib retracement level of the last major decline from the $252 high to $90 swing low is also acting as a resistance.More importantly, there is a crucial bearish trend line forming with resistance near $182 on the daily chart of ETH/USD. If Ethereum succeeds in clearing the $175 and $182 resistance levels, it could move into a medium term uptrend.Ethereum PriceThe next key resistance is near the $190 level, above which the bulls are likely to aim a test of the $200 barrier. Any further gains could lead the price towards the $220 level in the near term.Rejection Near $175-$180?If Ethereum fails to clear the $175 and $180 resistance levels, it could correct lower. An initial support on the downside is near the $160 level.The first major support is now near the $150 level and a connecting bullish trend line on the same chart. A successful daily close below the $150 support level could start another decline. The next key support is seen near the $124 level.Technical IndicatorsDaily MACD – The MACD for ETH/USD is now gaining momentum in the bullish zone.Daily RSI – The RSI for ETH/USD is currently well above the 50 level.Major Support Level – $150Major Resistance Level – $180Take advantage of the trading opportunities with Plus500Risk disclaimer: 76.4% of retail CFD accounts lose money.