Should you grade Primal Groudon EX #151?

Borderline

+$2742.50

net at PSA 10, but the gem rate is 1.6% — profitable only if it gems

The ledger

Raw card$106.58
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$450.13
PSA 10 sale$3394.20
Net at PSA 10+$2742.50
Net if it grades PSA 9 instead+$1036.64

1.6% of the 949 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.