Should you grade Tyranitar #135?

Borderline

+$38.05

net at PSA 10, but the gem rate is 17.4% — profitable only if it gems

The ledger

Raw card$0.38
Regular fee−$79.99
Shipping, both ways−$15.00
Selling fees−$20.84
PSA 10 sale$154.26
Net at PSA 10+$38.05
Net if it grades PSA 9 instead$-84.06

17.4% of the 766 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.