Should You Grade Slowking #12 from HeartGold & SoulSilver?
Free PSA grading EV calculator pre-loaded with live market data for Slowking #12. Current PSA 10 gem rate is 3.6% based on 110 graded copies. PSA 10 sales average $233.14 vs a raw market of $19.99. Expected value of grading: $-32.01 (-36% ROI). Verdict: Sell raw.
HeartGold & SoulSilver · #12 · Rare Holo
Default-tier verdict
Sell raw$-32 (-36% ROI)
Based on raw market $19.99, PSA 10 $233.14, gem rate 3.6% (110 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Slowking #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 | 4 | 3.6% |
| PSA 9 | 33 | 30.0% |
| PSA 8 | 44 | 40.0% |
| PSA 7 | 17 | 15.5% |
