Blastoise GX - SM189 (Black Star Promos)

Jumbo Cards • Promo • Holofoil

No sales in the last 7 days

$10.63as of Oct 10, 2026↓ -$0.09 (-0.8%) this week

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Selling it? At market it nets about $8.90 on TCGplayer or $8.72 on eBay after fees. Where to sell and the fee calculator →

Sales & Velocity

As of 2026-10-10

Thin market: fewer than 5 sales in the last 7 days

Sold (7d / 30d)

0 / 5

NM sold between (7d)

—

Cheapest listing

$7.17

Units sold per day, Aug 16–Sep 20 (Near Mint)

Units sold per day, Near Mint
Date	Units sold	Sold between
Aug 16	1	$11.99–$11.99
Aug 31	2	$7.50–$8.99
Sep 3	2	$7.00–$10.25
Sep 7	1	$11.99–$11.99
Sep 15	1	$11.99–$11.99
Sep 20	2	$10.70–$11.99

Condition	Sold 7d	Sold 30d
Heavily Played	0	1
Lightly Played	0	1
Near Mint	0	3
Damaged	0	0
Moderately Played	0	0

Sales data: TCGplayer

Quick answers

How much is Blastoise GX - SM189 (Black Star Promos) worth?

As of October 10, 2026, Blastoise GX - SM189 (Black Star Promos) from Jumbo Cards has a TCGplayer market price of $10.63.

Is Blastoise GX - SM189 (Black Star Promos) going up or down in price?

Its TCGplayer market price is down 1.2% over the past 30 days and down 0.8% over the past week, as of October 10, 2026.

Price Snapshot

Market

$10.63

Low

$7.17

Mid

$10.84

High

$149.42

7-Day:-$0.09 (-0.8%)

30-Day:-$0.13 (-1.2%)

Percent of Market

Buying? See what a price is as a share of market. Selling? Start at market and read down to a buylist offer or up to an asking price.

% of Market price	Price	Usually means
50%	$5.32	Cash buylist, low end
60%	$6.38	Cash buylist, typical
70%	$7.44	Buylist top end, store credit
80%	$8.50	Bulk lot or quick sale
90%	$9.57	Quick sale, just under market
100%	$10.63	Market price
110%	$11.69	Asking price, room to negotiate
120%	$12.76	Asking price, room to negotiate
150%	$15.95	Presale and hype pricing

Your price (USD)

$

Type what you are being asked to pay, or what you plan to list at.

Market price is the TCGplayer market price. TCGplayer Low is the lowest listed near-mint price at the last snapshot. Definitions

Card text

Stage 2 Pokémon · 240 HP · Water

WWRocket Splash60x
Shuffle any amount of Water Energy from your Pokémon into your deck. This attack does 60 damage for each card you shuffled into your deck in this way.
[W] Giant Geyser GX
Attach any number of Water Energy cards from your hand to your Pokémon in any way you like. (You can't use more than 1 GX attack in a game.)

Ability — Solid Shell
This Pokémon takes 30 less damage from attacks (after applying Weakness and Resistance).

Pokémon-GX rule — When your Pokémon-GX is Knocked Out, your opponent takes 2 Prize cards.

Weakness Gx2 · Retreat 3

Where to Buy

TCGPlayerRaw$10.63Raw copies, condition graded by the marketplace

Buy Now

eBayRaw listings

Raw listings

TCGplayer for raw copies (condition is graded by the marketplace, not the seller). eBay for more listings. Links may earn us a commission at no cost to you.