Should you grade Gyarados #32?

Borderline

+$210.93

net at PSA 10, but the gem rate is 30.3% — profitable only if it gems

The ledger

Raw card$15.48
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$49.55
PSA 10 sale$370.95
Net at PSA 10+$210.93
Net if it grades PSA 9 instead$-75.94

30.3% of the 152 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.