How much is a BGS 9 Brock's Ninetales #3 worth?
The BGS 9 Brock's Ninetales #3 from Gym Challenge (English) has a median market value of $281, with recent sales ranging $281 to $281 — based on 1 recent graded sale.
Is a BGS 9 Brock's Ninetales #3 worth more than ungraded?
Yes. A BGS 9 copy has a median value of $281 versus about $158 ungraded — roughly a 1.8× premium for the BGS 9 grade.
Where do PokéTT's BGS 9 prices come from?
PokéTT tracks real graded sales across eBay, Yahoo Auctions and Mercari, then shows the median within the BGS 9 grade — not a single outlier sale — so the mark reflects the true market.