Should You Grade Misty's Poliwrath #31 from Gym Heroes?
Free PSA grading EV calculator pre-loaded with live market data for Misty's Poliwrath #31. Current PSA 10 gem rate is 14.4% based on 146 graded copies. PSA 10 sales average $108.98 vs a raw market of $13.49. Expected value of grading: $-50.82 (-61% ROI). Verdict: Sell raw.
Gym Heroes · #31 · Rare
Default-tier verdict
Sell raw$-51 (-61% ROI)
Based on raw market $13.49, PSA 10 $108.98, gem rate 14.4% (146 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Misty's Poliwrath #31 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 | 21 | 14.4% |
| PSA 9 | 61 | 41.8% |
| PSA 8 | 30 | 20.5% |
| PSA 7 | 15 | 10.3% |
