Should You Grade Pheromosa-GX #158 from Ultra Prism?
Free PSA grading EV calculator pre-loaded with live market data for Pheromosa-GX #158. Current PSA 10 gem rate is 53.7% based on 285 graded copies. PSA 10 sales average $184.25 vs a raw market of $19.41. Expected value of grading: $23.98 (27% ROI). Verdict: Decent — proceed with caution.
Ultra Prism · #158 · Rare Rainbow
Default-tier verdict
Decent — proceed with caution+$24 (+27% ROI)
Based on raw market $19.41, PSA 10 $184.25, gem rate 53.7% (285 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Pheromosa-GX #158 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 | 153 | 53.7% |
| PSA 9 | 83 | 29.1% |
| PSA 8 | 38 | 13.3% |
| PSA 7 | 7 | 2.5% |
