Cards › 2018 Stadium Club Power Zone Shohei Ohtani #PZ-SO
Is the 2018 Stadium Club Power Zone Shohei Ohtani #PZ-SO worth grading?
Live market numbers as of 2026-08-14 — raw vs. graded value, PSA 10 gem rate, and the breakeven math.
Raw value
$126.88
PSA 9 value
$195.68
PSA 10 value
$841.54
PSA 10 gem rate
20%
Based on the numbers below, this card is potentially worth grading — a PSA 10 nets an estimated $548, but the 20% gem rate means the 10 is far from guaranteed. Weigh the PSA 9 outcome below.
The breakeven math
| Line item | Amount |
|---|---|
| Raw purchase | $126.88 |
| Sales tax (8%) | $10.15 |
| Grading fee (value tier) | $25.00 |
| Shipping | $5.00 |
| Total cost basis | $167.03 |
| Net at PSA 10 (85% payout) | +$548.28 (+328%) |
| Net at PSA 9 (the downside case) | −$0.70 |
Assumptions: $25 grading, $5 shipping, 8% tax on the raw purchase, and keeping 85% of the sale after marketplace fees. Your numbers will differ — run them below.
Run this card with YOUR costs
Set your own grading tier, tax rate, and payout — then screen the entire catalog for cards that beat this one. Free for 14 days, no credit card.
Start free trialCard pricing data provided by SportsCardsPro, a service of PriceCharting. Gem rates reflect recent PSA population data (5 graded submissions). Not investment advice — grading outcomes are probabilistic and markets move. © Summit Sports Cards · About · Pricing