A technical analyst says Cardano (ADA) is moving within a sideways Parallel Channel on the 4-hour chart, with the upper boundary near $0.304 acting as key resistance. ADA recently climbed to around $0.290 and was described as roughly 75% of the way toward that level, after about 45 days of range-bound trading. At the time of writing, ADA was about $0.288, up more than 8% over the past seven days.