Should You Grade Dialga #XY77 from XY Black Star Promos?
Free PSA grading EV calculator pre-loaded with live market data for Dialga #XY77. Current PSA 10 gem rate is 0.3% based on 913 graded copies. PSA 10 sales average $1508.63 vs a raw market of $36.00. Expected value of grading: $6.62 (3% ROI). Verdict: Sell raw.
XY Black Star Promos · #XY77 · Promo
Default-tier verdict
Sell raw+$7 (+3% ROI)
Based on raw market $36.00, PSA 10 $1508.63, gem rate 0.3% (913 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Dialga #XY77 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 | 3 | 0.3% |
| PSA 9 | 103 | 11.3% |
| PSA 8 | 410 | 44.9% |
| PSA 7 | 274 | 30.0% |
