Should You Grade Blacephalon #SM221 from SM Black Star Promos?
Free PSA grading EV calculator pre-loaded with live market data for Blacephalon #SM221. Current PSA 10 gem rate is 8.6% based on 58 graded copies. PSA 10 sales average $111.59 vs a raw market of $12.54. Expected value of grading: $-59.73 (-72% ROI). Verdict: Sell raw.
SM Black Star Promos · #SM221 · Promo
Default-tier verdict
Sell raw$-60 (-72% ROI)
Based on raw market $12.54, PSA 10 $111.59, gem rate 8.6% (58 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Blacephalon #SM221 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 | 5 | 8.6% |
| PSA 9 | 23 | 39.7% |
| PSA 8 | 16 | 27.6% |
| PSA 7 | 8 | 13.8% |
