Why does Verge have such a high APR in Earn? 6.78

$XVG has an APR of 6.78%

In contrast, $HBAR has an APR of 0.09%

Why such a difference?

What does that mean?

Help please !! 🙏

$XVG APR of 6.78%

$HBAR APR of 0.09%