Cavan Sullivan's auto just doubled in two weeks

Cavan Sullivan's Green Wave auto /99 sold for $1,100 on 10/6.
It was $575 on 9/20, and $120 to $150 back in May.
He's now the youngest guy ever to score for the USMNT, in the 3-0 win over Mexico.
Julian Hall's Topps Chrome MLS Blue auto /150 went from $31 to $149.99 after he scored 3 goals this break.

Would you sell that Sullivan auto at $1,100 today, or hold it for the next jump?