Should You Grade Gastrodon West Sea #9 from Secret Wonders?
Free PSA grading EV calculator pre-loaded with live market data for Gastrodon West Sea #9. Current PSA 10 gem rate is 4.1% based on 121 graded copies. PSA 10 sales average $235.78 vs a raw market of $10.00. Expected value of grading: $-24.68 (-31% ROI). Verdict: Sell raw.
Secret Wonders · #9 · Rare Holo
Default-tier verdict
Sell raw$-25 (-31% ROI)
Based on raw market $10.00, PSA 10 $235.78, gem rate 4.1% (121 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Gastrodon West Sea #9 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 | 5 | 4.1% |
| PSA 9 | 43 | 35.5% |
| PSA 8 | 42 | 34.7% |
| PSA 7 | 15 | 12.4% |
