Should You Grade Zygarde #SM48 from SM Black Star Promos?
Free PSA grading EV calculator pre-loaded with live market data for Zygarde #SM48. Current PSA 10 gem rate is 5.6% based on 108 graded copies. PSA 10 sales average $150.00 vs a raw market of $15.99. Expected value of grading: $-13.43 (-16% ROI). Verdict: Sell raw.
SM Black Star Promos · #SM48 · Promo
Default-tier verdict
Sell raw$-13 (-16% ROI)
Based on raw market $15.99, PSA 10 $150.00, gem rate 5.6% (108 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Zygarde #SM48 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 | 6 | 5.6% |
| PSA 9 | 34 | 31.5% |
| PSA 8 | 39 | 36.1% |
| PSA 7 | 18 | 16.7% |
