Should You Grade Koga's Arbok #25 from Gym Challenge?
Free PSA grading EV calculator pre-loaded with live market data for Koga's Arbok #25. Current PSA 10 gem rate is 26.3% based on 99 graded copies. PSA 10 sales average $45.46 vs a raw market of $7.99. Expected value of grading: $-53.08 (-68% ROI). Verdict: Sell raw.
Gym Challenge · #25 · Rare
Default-tier verdict
Sell raw$-53 (-68% ROI)
Based on raw market $7.99, PSA 10 $45.46, gem rate 26.3% (99 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Koga's Arbok #25 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 | 26 | 26.3% |
| PSA 9 | 40 | 40.4% |
| PSA 8 | 22 | 22.2% |
| PSA 7 | 6 | 6.1% |
