Should you grade Porygon #HGSS22?

Borderline

+$775.73

net at PSA 10, but the gem rate is 8.8% — profitable only if it gems

The ledger

Raw card$18.08
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$136.21
PSA 10 sale$1025.01
Net at PSA 10+$775.73
Net if it grades PSA 9 instead$-43.23

8.8% of the 170 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.