Should you grade Nidoking #8?

Borderline

+$1284.30

net at PSA 10, but the gem rate is 12.5% — profitable only if it gems

The ledger

Raw card$30.00
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$215.71
PSA 10 sale$1625.00
Net at PSA 10+$1284.30
Net if it grades PSA 9 instead+$91.48

12.5% of the 369 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.