Should you grade Magnezone #GG18?

Borderline

+$29.37

net at PSA 10, but the gem rate is 29.9% — profitable only if it gems

The ledger

Raw card$5.90
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$20.36
PSA 10 sale$150.62
Net at PSA 10+$29.37
Net if it grades PSA 9 instead$-83.65

29.9% of the 1,309 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.