Should You Grade Gyarados #XY109 from XY Black Star Promos?
Free PSA grading EV calculator pre-loaded with live market data for Gyarados #XY109. Current PSA 10 gem rate is 5.3% based on 562 graded copies. PSA 10 sales average $5812.50 vs a raw market of $56.00. Expected value of grading: $-24.92 (-4% ROI). Verdict: Sell raw.
XY Black Star Promos · #XY109 · Promo
Default-tier verdict
Sell raw$-25 (-4% ROI)
Based on raw market $56.00, PSA 10 $5812.50, gem rate 5.3% (562 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Gyarados #XY109 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 | 30 | 5.3% |
| PSA 9 | 124 | 22.1% |
| PSA 8 | 198 | 35.2% |
| PSA 7 | 92 | 16.4% |
