Blastoise GX — SM189 (Black Star Promos)
Lowest ask = the cheapest current listing. Market = TCGplayer’s rolling market price. Latest daily snapshot: Aug 31, 2026.
Market read
Blastoise GX — SM189 (Black Star Promos) carries a $7.00 lowest ask in our Aug 31, 2026 snapshot, against a TCGplayer market price of $11.13. Measured against a 7-day trailing median of $11.13, the current ask sits 37.1% below. Confidence is verified, backed by 38 daily observations, with the ask and market price tracking each other closely. It is one of 282 Promo cards we track in Jumbo Cards (326 cards in the set overall). Prices are asks from current listings, not completed sale prices, and the snapshot refreshes once daily.
Price history
Daily TCGplayer market and lowest-ask price for Blastoise GX — SM189 (Black Star Promos) from the InkSight Pokémon Trading Card Game snapshot. Interactive chart loads with the latest daily snapshot.
Marketplace
Compare TCGplayer singles, eBay raw and graded listings, and Whatnot live breaks. Affiliate links load with latest daily snapshot pricing.
Set context
Jumbo Cards. Browse every Jumbo Cards card →. See more Pokémon Trading Card Game pricing on the market hub, movers, and top cards. See every Blastoise GX — SM189 card we track.
Related cards
Other printings, same-rarity neighbours and cards from Jumbo Cards.
