Should You Grade Gengar #18 from Stormfront?
Free PSA grading EV calculator pre-loaded with live market data for Gengar #18. Current PSA 10 gem rate is 1.1% based on 187 graded copies. PSA 10 sales average $350.00 vs a raw market of $37.53. Expected value of grading: $32.29 (30% ROI). Verdict: Decent — proceed with caution.
Stormfront · #18 · Rare
Default-tier verdict
Decent — proceed with caution+$32 (+30% ROI)
Based on raw market $37.53, PSA 10 $350.00, gem rate 1.1% (187 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Gengar #18 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 | 2 | 1.1% |
| PSA 9 | 35 | 18.7% |
| PSA 8 | 62 | 33.2% |
| PSA 7 | 33 | 17.6% |
