Cardano Hovers Above $0.35 as It Faces Rejection at $0.40 Cardano (ADA) falls below the 21-day line SMA as it faces rejection at $0.40. Since January 29, buyers have been frantically attempting to break through the resistance at $0.40. The bears broke below the 21-day line SMA on February 9 as the altcoin slid above the $0.35 support.There is less selling pressure over the $0.35 support. The moving average lines are where Cardano is now trading.