Should You Grade Regirock #SM74 from SM Black Star Promos?
Free PSA grading EV calculator pre-loaded with live market data for Regirock #SM74. Current PSA 10 gem rate is 2.3% based on 133 graded copies. PSA 10 sales average $1000.00 vs a raw market of $12.45. Expected value of grading: $-28.02 (-34% ROI). Verdict: Sell raw.
SM Black Star Promos · #SM74 · Promo
Default-tier verdict
Sell raw$-28 (-34% ROI)
Based on raw market $12.45, PSA 10 $1000.00, gem rate 2.3% (133 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Regirock #SM74 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 | 3 | 2.3% |
| PSA 9 | 24 | 18.0% |
| PSA 8 | 69 | 51.9% |
| PSA 7 | 30 | 22.6% |
