Should you grade Hitmontop #5?

Borderline

+$18.17

net at PSA 10, but the gem rate is 3.2% — profitable only if it gems

The ledger

Raw card$7.01
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$18.82
PSA 10 sale$138.99
Net at PSA 10+$18.17
Net if it grades PSA 9 instead$-74.02

3.2% of the 62 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.