Should You Grade Giratina #SM151 from SM Black Star Promos?
Free PSA grading EV calculator pre-loaded with live market data for Giratina #SM151. Current PSA 10 gem rate is 1.4% based on 146 graded copies. PSA 10 sales average $468.00 vs a raw market of $31.57. Expected value of grading: $122.73 (121% ROI). Verdict: Grade It.
SM Black Star Promos · #SM151 · Promo
Default-tier verdict
Grade It+$123 (+121% ROI)
Based on raw market $31.57, PSA 10 $468.00, gem rate 1.4% (146 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Giratina #SM151 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 | 2 | 1.4% |
| PSA 9 | 55 | 37.7% |
| PSA 8 | 64 | 43.8% |
| PSA 7 | 15 | 10.3% |
