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 (Sandstorm) at +$564 best-case net.
| # | Card | Raw | PSA 10 | Cost | Net (best) | Risk-adj. |
|---|---|---|---|---|---|---|
| 1 | $17 | $668 | $87 | +$564 | −$47 | |
| 2 | $32 | $493 | $75 | +$386 | +$44 | |
| 3 | $13 | $341 | $73 | +$255 | +$31 | |
| 4 | $40 | $301 | $73 | +$188 | +$27 | |
| 5 | $48 | $247 | $72 | +$126 | −$18 |
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).