Best Gym Cards to Grade
The Gym cards where grading pays off most — ranked by net profit from raw to PSA 10 after real grading costs, with each card's estimated gem rate and risk-adjusted return. Top pick: Gym Badge (XY Black Star Promos) at +$867 best-case net.
| # | Card | Raw | PSA 10 | Cost | Net (best) | Risk-adj. |
|---|---|---|---|---|---|---|
| 1 | $43 | $1,000 | $90 | +$867 | — | |
| 2 | $15 | $800 | $88 | +$697 | — | |
| 3 | $15 | $800 | $88 | +$697 | — | |
| 4 | $31 | $700 | $87 | +$582 | — | |
| 5 | $20 | $264 | $73 | +$171 | −$13 | |
| 6 | $8 | $106 | $71 | +$26 | −$22 | |
| 7 | $36 | $120 | $71 | +$12 | −$39 | |
| 8 | $15 | $95 | $71 | +$9 | — | |
| 9 | $11 | $83 | $71 | +$1 | −$35 |
Net (best) = PSA 10 value − raw value − grading cost (PSA fees as of 2026-06-28). Risk-adjusted weights every grade by its estimated likelihood from PSA population (cumulative and biased toward nicer copies — a guide, not a guarantee).