Should You Grade megaボーマンダEX #257 #257 from XY プロモカード?
Free PSA grading EV calculator pre-loaded with live market data for megaボーマンダEX #257 #257. Current PSA 10 gem rate is 77.2% based on 597 graded copies. PSA 10 sales average $209.60 vs a raw market of $56.02. Expected value of grading: $56.26 (45% ROI). Verdict: Decent — proceed with caution.
XY プロモカード · #257
Default-tier verdict
Decent — proceed with caution+$56 (+45% ROI)
Based on raw market $56.02, PSA 10 $209.60, gem rate 77.2% (597 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting megaボーマンダEX #257 #257 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 | 461 | 77.2% |
| PSA 9 | 112 | 18.8% |
| PSA 8 | 14 | 2.3% |
| PSA 7 | 3 | 0.5% |
