Should You Grade Giovanni's Persian #8 from Gym Challenge?
Free PSA grading EV calculator pre-loaded with live market data for Giovanni's Persian #8. Current PSA 10 gem rate is 0.9% based on 3,194 graded copies. PSA 10 sales average $1242.62 vs a raw market of $34.11. Expected value of grading: $-29.63 (-24% ROI). Verdict: Sell raw.
Gym Challenge · #8 · Rare Holo
Default-tier verdict
Sell raw$-30 (-24% ROI)
Based on raw market $34.11, PSA 10 $1242.62, gem rate 0.9% (3,194 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Giovanni's Persian #8 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 | 28 | 0.9% |
| PSA 9 | 408 | 12.8% |
| PSA 8 | 1,008 | 31.6% |
| PSA 7 | 778 | 24.4% |