Blastoise-GX

SM Black Star Promos · #SM189/248 · Promo · 2017

$8.60

Market price ▼ 12.6% (1Y)

Prices as of Aug 14, 2026

HP 240WaterStage 2GXArt · sadaji

6graded pop

0%gem rate

-13%off ATH $9.84 · Jul 2026

Market data

Price history

Standard

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Graded market

Graded values

PSA 10 report →updated 2026-08-13

Grade 6 est.$8.17

Grade 5 est.$6.88

Grade 4 est.$5.68

Grade 3 est.$4.73

Grade 2 est.$3.87

Grade 1 est.$3.27

Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.

PSA 10 price history$313.87

PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.

Graded population census · updated 2026-08-03

CGC6 graded · 0 gem 10

12345678910

Population data from PriceCharting, updated monthly.

Abilities

Solid Shell

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

Attacks

60×Rocket Splash

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.

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.)

How much is Blastoise-GX #SM189/248 worth?

Blastoise-GX #SM189/248 is a Promo card from SM Black Star Promos (2017) — today it trades at roughly $8.60 ungraded.

Grading changes the math on this one: a PSA 10 is valued around $313.87, roughly 36.5x the raw price, while a PSA 9 sits near $165.00. 6 copies have been graded to date, and 0% of them came back a 10 — worth knowing before you pay grading fees.

These figures come from nightly market-data syncs verified against completed sales. Use the chart above to see the trend before you buy or sell.

Collecting SM Black Star Promos?Full master set guide — every card, chase list, and completion cost→

Other printings of Blastoise-GX 2

Blastoise-GX

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Blastoise-GX

Unbroken Bonds · #218/214