Should you grade Gengar #18?

Borderline

+$5068.03

net at PSA 10, but the gem rate is 14.3% — profitable only if it gems

The ledger

Raw card$24.27
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$792.76
PSA 10 sale$5980.05
Net at PSA 10+$5068.03
Net if it grades PSA 9 instead+$194.82

14.3% of the 98 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.