[ad_1] Ether (ETH) rallied 6.3% to $1,350 on Dec. 13, mimicking a similar failed attempt that took place on Nov. 10. Despite reaching the highest level in 33 days, the gains were not enough to instill confidence in traders according to two key derivatives metrics. Ether/USD price index, 12-hour. Source: TradingView Bulls’ frustrations can partially