Should you grade Decidueye GX #SM37?

Borderline

+$2.47

net at PSA 10, but the gem rate is 17.6% — profitable only if it gems

The ledger

Raw card$6.00
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$16.26
PSA 10 sale$119.72
Net at PSA 10+$2.47
Net if it grades PSA 9 instead$-69.39

17.6% of the 102 copies PSA has graded came back a 10. Pop gem rates are a ceiling — centering and surface on your copy decide.

Prices from real completed sales, updated daily. Population data from PSA's public population report.