Should You Grade Poliwhirl #88 from Skyridge?
Free PSA grading EV calculator pre-loaded with live market data for Poliwhirl #88. Current PSA 10 gem rate is 52.2% based on 115 graded copies. PSA 10 sales average $180.85 vs a raw market of $24.17. Expected value of grading: $53.09 (56% ROI). Verdict: Grade It.
Skyridge · #88 · Common
Default-tier verdict
Grade It+$53 (+56% ROI)
Based on raw market $24.17, PSA 10 $180.85, gem rate 52.2% (115 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Poliwhirl #88 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 | 60 | 52.2% |
| PSA 9 | 40 | 34.8% |
| PSA 8 | 12 | 10.4% |
| PSA 7 | 0 | 0.0% |
