Should You Grade Slaking #12 from Ruby & Sapphire?
Free PSA grading EV calculator pre-loaded with live market data for Slaking #12. Current PSA 10 gem rate is 10.8% based on 269 graded copies. PSA 10 sales average $830.00 vs a raw market of $14.16. Expected value of grading: $48.64 (58% ROI). Verdict: Grade It.
Ruby & Sapphire · #12 · Rare Holo
Default-tier verdict
Grade It+$49 (+58% ROI)
Based on raw market $14.16, PSA 10 $830.00, gem rate 10.8% (269 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Slaking #12 to PSA for grading. EV factors in real PSA population data (gem rates), live market prices for raw and graded copies, and PSA's tiered fee structure including upcharges when a card's graded value exceeds the tier's Max Insured Value. Adjust the inputs to match your card's exact condition for a personalized recommendation.
PSA population summary
| Grade | Population | Rate |
|---|---|---|
| PSA 10 | 29 | 10.8% |
| PSA 9 | 96 | 35.7% |
| PSA 8 | 71 | 26.4% |
| PSA 7 | 32 | 11.9% |
