Seaking

Ruby & Sapphire · #21/109 · Rare · 2003

$1.04
Market price 47.7% (1Y)
Prices as of Aug 16, 2026
HP 70WaterStage 1Art · Hajime Kusajima
108graded pop
20%gem rate
-38%off ATH $2.39 · Nov 2025
Market data

Price history

Standard

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Live listings

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Graded market

Graded values

PSA 10 report →updated 2026-08-16
Grade 6 est.$1.41
Grade 5 est.$1.18
Grade 4 est.$0.98
Grade 3 est.$0.81
Grade 2 est.$0.67
Grade 1 est.$0.56

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$53.00

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

Graded population census · updated 2026-08-03

CGC64 graded · 16 gem 10
PSA44 graded · 6 gem 10

Population data from PriceCharting, updated monthly.

Attacks

Water Arrow
Choose 1 of your opponent's Pokémon. This attack does 20 damage to that Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.)
30Fast Stream
Move 1 Energy card attached to the Defending Pokémon to the other Defending Pokémon. (Ignore this effect if your opponent has only 1 Defending Pokémon.)

How much is Seaking #21/109 worth?

As of August 16, 2026, Seaking #21/109 from Ruby & Sapphire sells for around $1.04 in raw, ungraded condition.

Grading changes the math on this one: a PSA 10 is valued around $53.00, roughly 51.0x the raw price, while a PSA 9 sits near $44.00. 64 copies have been graded to date, and 25% of them came back a 10 — worth knowing before you pay grading fees.

Prices on this page refresh nightly from live TCGplayer market data and are cross-checked against actual sold prices, so a single inflated listing never becomes "the price". The chart above has the full history.

Collecting Ruby & Sapphire?Full master set guide — every card, chase list, and completion cost