Should you grade Lucario GX #122?

Borderline

+$503.55

net at PSA 10, but the gem rate is 45.9% — profitable only if it gems

The ledger

Raw card$30.00
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$96.46
PSA 10 sale$725.00
Net at PSA 10+$503.55
Net if it grades PSA 9 instead$-80.40

45.9% of the 318 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.