Kingdra-GX

SM Black Star Promos · #SM155/248 · Promo · 2017

$13.72

Market price ▼ 2.1% (1Y)

Prices as of Aug 14, 2026

HP 230WaterStage 2GXArt · 5ban Graphics

683graded pop

53%gem rate

-2%off ATH $14.02 · 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.$13.03

Grade 5 est.$10.98

Grade 4 est.$9.06

Grade 3 est.$7.55

Grade 2 est.$6.17

Grade 1 est.$5.21

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$155.00

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

Graded population census · updated 2026-08-03

PSA683 graded · 359 gem 10

12345678910

Population data from PriceCharting, updated monthly.

Attacks

10+Hydro Pump

This attack does 50 more damage times the amount of Water Energy attached to this Pokémon.

30Reverse Thrust

Switch this Pokémon with 1 of your Benched Pokémon.

Maelstrom-GX

This attack does 40 damage to each of your opponent's Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.) (You can't use more than 1 GX attack in a game.)

How much is Kingdra-GX #SM155/248 worth?

A raw copy of Kingdra-GX #SM155/248 (SM Black Star Promos, 2017) is worth about $13.72 right now, based on the latest market data from August 14, 2026.

Grading changes the math on this one: a PSA 10 is valued around $155.00, roughly 11.3x the raw price, while a PSA 9 sits near $34.17. 683 copies have been graded to date, and 53% of them came back a 10 — worth knowing before you pay grading fees.

We update this valuation every night from live market data and verify it against real completed sales — see the chart above for how Kingdra-GX has moved over time.

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

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