Should You Grade Gyarados #4 from HeartGold & SoulSilver?
Free PSA grading EV calculator pre-loaded with live market data for Gyarados #4. Current PSA 10 gem rate is 2.7% based on 225 graded copies. PSA 10 sales average $555.65 vs a raw market of $43.00. Expected value of grading: $-42.11 (-37% ROI). Verdict: Sell raw.
HeartGold & SoulSilver · #4 · Rare Holo
Default-tier verdict
Sell raw$-42 (-37% ROI)
Based on raw market $43.00, PSA 10 $555.65, gem rate 2.7% (225 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Gyarados #4 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 | 6 | 2.7% |
| PSA 9 | 63 | 28.0% |
| PSA 8 | 86 | 38.2% |
| PSA 7 | 34 | 15.1% |
