How much is a PSA 9 Gengar VMax #20 worth?
The PSA 9 Gengar VMax #20 from Gengar VMAX High-Class Deck (Japanese) has a median market value of $70.29, with recent sales ranging $19.98 to $843 — based on 4 recent graded sales.
Is a PSA 9 Gengar VMax #20 worth more than ungraded?
Yes. A PSA 9 copy has a median value of $70.29 versus about $343 ungraded — roughly a 0.2× premium for the PSA 9 grade.
Where do PokéTT's PSA 9 prices come from?
PokéTT tracks real graded sales across eBay, Yahoo Auctions and Mercari, then shows the median within the PSA 9 grade — not a single outlier sale — so the mark reflects the true market.