Should You Grade Brock's Zubat #24 from Gym Heroes?
Free PSA grading EV calculator pre-loaded with live market data for Brock's Zubat #24. Current PSA 10 gem rate is 13.1% based on 84 graded copies. PSA 10 sales average $65.50 vs a raw market of $11.25. Expected value of grading: $-57.96 (-71% ROI). Verdict: Sell raw.
Gym Heroes · #24 · Rare
Default-tier verdict
Sell raw$-58 (-71% ROI)
Based on raw market $11.25, PSA 10 $65.50, gem rate 13.1% (84 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Brock's Zubat #24 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 | 11 | 13.1% |
| PSA 9 | 26 | 31.0% |
| PSA 8 | 38 | 45.2% |
| PSA 7 | 5 | 6.0% |
