Should You Grade Venusaur #20 from Secret Wonders?
Free PSA grading EV calculator pre-loaded with live market data for Venusaur #20. Current PSA 10 gem rate is 5.1% based on 545 graded copies. PSA 10 sales average $163.69 vs a raw market of $5.84. Expected value of grading: $-15.16 (-20% ROI). Verdict: Sell raw.
Secret Wonders · #20 · Rare Holo
Default-tier verdict
Sell raw$-15 (-20% ROI)
Based on raw market $5.84, PSA 10 $163.69, gem rate 5.1% (545 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Venusaur #20 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 | 28 | 5.1% |
| PSA 9 | 131 | 24.0% |
| PSA 8 | 176 | 32.3% |
| PSA 7 | 99 | 18.2% |
