How much is a PSA 9 Psyduck #175 worth?
The PSA 9 Psyduck #175 from Pokemon 151 (English) has a median market value of $88.24, with recent sales ranging $80.01 to $107 — based on 8 recent graded sales.
Is a PSA 9 Psyduck #175 worth more than ungraded?
Yes. A PSA 9 copy has a median value of $88.24 versus about $64 ungraded — roughly a 1.4× 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.