Should You Grade Gyarados #21 from Ancient Origins?
Free PSA grading EV calculator pre-loaded with live market data for Gyarados #21. Current PSA 10 gem rate is 6.2% based on 2,306 graded copies. PSA 10 sales average $3000.00 vs a raw market of $62.65. Expected value of grading: $3.77 (1% ROI). Verdict: Sell raw.
Ancient Origins · #21 · Rare Holo
Default-tier verdict
Sell raw+$4 (+1% ROI)
Based on raw market $62.65, PSA 10 $3000.00, gem rate 6.2% (2,306 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Gyarados #21 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 | 142 | 6.2% |
| PSA 9 | 837 | 36.3% |
| PSA 8 | 700 | 30.4% |
| PSA 7 | 322 | 14.0% |
