According to CoinGecko, Solana and Cardano rose over 21% late Sunday, returning to November levels.
Cardano, the eighth-largest cryptocurrency by market cap, reached $0.33, its highest price since November 19.
Solana, which started an amazing run on Monday with an 11% rise, rose again Sunday to $16.04.
It hasn't been this low since Nov. 9, when it fell more than 50% in three days.
Solana had the strongest first week of the year among top-20 coins, rising 60% in seven days.
SOL's recovery is impressive after the FTX catastrophe.
According to CoinGecko, Solana fell 94% from its all-time high of $259 a year earlier after the founder's fall.