Ethereum is trading nicely above the $240 and $230 support levels against the US Dollar. ETH price seems to be preparing for a strong surge above the $250 and $255 resistance levels.ETH price is trading in an uptrend above the $230 support zone against the US Dollar.A successful close above the $250 level could trigger a significant upward move.There is a major contracting triangle forming with resistance near $245 on the 4-hours chart of ETH/USD (data feed via Kraken).The pair could also correct lower, but dips are likely to remain bid near $230 and $228.Ethereum Price Could Rally AgainThis past week, Ethereum spiked above the $250 resistance level against the US Dollar. ETH price traded as high as $253 and later started a downside correction below the $240 support.The price spiked below the $235 and $230 levels. However, it found a strong support near $225 and the 100 simple moving average (4-hours). Ether climbed back above the $235 level and recovered most its losses.It traded above the 50% Fib retracement level of the downward move from the $253 high to $230 swing low. It is now struggling to clear the $244 and $245 resistance levels. There is also a major contracting triangle forming with resistance near $245 on the 4-hours chart of ETH/USD.Ethereum PriceThe 61.8% Fib retracement level of the downward move from the $253 high to $230 swing low is also near $245. Therefore, if Ethereum clears the $245 resistance, it could continue to rise above the $250 resistance level.An immediate resistance is near the $253 high, above which there are high chances of a sustained upward move towards the $260 and $265 levels in the near term.More Downsides in ETH?If Ethereum fails to continue above the $245 and $250 resistance levels, there are chances of another drop. An initial support is near the $232 level.The main support is near the $230 level and the 100 simple moving average (4-hours). If the price fails to stay above the $230 support, the bears are likely to take control and ether might dive towards the $220 level.Technical Indicators4 hours MACD – The MACD for ETH/USD is about to move into the bullish zone.4 hours RSI – The RSI for ETH/USD is currently well above the 50 level.Major Support Level – $230Major Resistance Level – $250Take advantage of the trading opportunities with Plus500Risk disclaimer: 76.4% of retail CFD accounts lose money.