Not related to bitcoin discussion.
But seeing 19% for a stable coin is the highest that I've seen for an interest account. Nexo offers 10% for its interest account with a stable coin. I don't know that platform of anchor and that's why if I'm going to put it on stake as they say.
I'll choose the platforms that are more reputable like Binance or Nexo and to remind you, you don't hold the keys when you put your crypto/stable coins on that feature.