Should You Grade Charizard #SM158 from SM Black Star Promos?
Free PSA grading EV calculator pre-loaded with live market data for Charizard #SM158. Current PSA 10 gem rate is 12.1% based on 792 graded copies. PSA 10 sales average $4777.00 vs a raw market of $119.80. Expected value of grading: $259.74 (54% ROI). Verdict: Grade It.
SM Black Star Promos · #SM158 · Promo
Default-tier verdict
Grade It+$260 (+54% ROI)
Based on raw market $119.80, PSA 10 $4777.00, gem rate 12.1% (792 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Charizard #SM158 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 | 96 | 12.1% |
| PSA 9 | 451 | 56.9% |
| PSA 8 | 177 | 22.3% |
| PSA 7 | 43 | 5.4% |