Should You Grade Gyarados-GX #18 from Crimson Invasion?
Free PSA grading EV calculator pre-loaded with live market data for Gyarados-GX #18. Current PSA 10 gem rate is 38.2% based on 994 graded copies. PSA 10 sales average $792.50 vs a raw market of $19.42. Expected value of grading: $249.41 (279% ROI). Verdict: Grade It.
Crimson Invasion · #18 · Rare Holo GX
Default-tier verdict
Grade It+$249 (+279% ROI)
Based on raw market $19.42, PSA 10 $792.50, gem rate 38.2% (994 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Gyarados-GX #18 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 | 380 | 38.2% |
| PSA 9 | 404 | 40.6% |
| PSA 8 | 150 | 15.1% |
| PSA 7 | 35 | 3.5% |
