Best Onix Cards to Grade
The Onix 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: Onix (Southern Islands) at +$309 best-case net.
| # | Card | Raw | PSA 10 | Cost | Net (best) | Risk-adj. |
|---|---|---|---|---|---|---|
| 1 | $53 | $437 | $74 | +$309 | +$43 | |
| 2 | $12 | $141 | $71 | +$58 | −$44 | |
| 3 | $7 | $95 | $71 | +$17 | −$27 |
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).