Should You Grade Groudon ex #38 from Nintendo Black Star Promos?
Free PSA grading EV calculator pre-loaded with live market data for Groudon ex #38. Current PSA 10 gem rate is 2.5% based on 1,419 graded copies. PSA 10 sales average $35000.00 vs a raw market of $90.00. Expected value of grading: $1280.06 (174% ROI). Verdict: Grade It.
Nintendo Black Star Promos · #38 · Promo
Default-tier verdict
Grade It+$1280 (+174% ROI)
Based on raw market $90.00, PSA 10 $35000.00, gem rate 2.5% (1,419 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Groudon ex #38 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 | 36 | 2.5% |
| PSA 9 | 195 | 13.7% |
| PSA 8 | 277 | 19.5% |
| PSA 7 | 239 | 16.8% |
