Is there a maximum balance for which I can earn the high yield?

The Xtraordinary account earns 1.75% APY‍¹ on balances up to $25,000. Any money above the $25,000 limit earns 0.25% APY‍¹. The Teen account earns 2.00% APY‍² on balances up to $1,000. Any money above the $1,000 limit earns 0.25% APY‍².