Should you grade Kyogre #21?

Borderline

+$6.90

net at PSA 10, but the gem rate is 58.9% — profitable only if it gems

The ledger

Raw card$4.63
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$16.73
PSA 10 sale$123.25
Net at PSA 10+$6.90
Net if it grades PSA 9 instead$-86.79

58.9% of the 5,738 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.