Seaking Pokémon card #21
RarePokémon
Ruby & Sapphire·EX series·#21

Seaking #21

Seaking #21 sits in the EX series and carries a live market value of $27.01, backed by real TCGplayer and Cardmarket data.

Market value
$27.01
Cardmarket (EUR)
€0.80
Print variants
2
7d trend
▲ 9.4%
Price alert
$

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By CardLedger Research · Market data updated · Prices from TCGplayer & Cardmarket

If you sell Seaking #21 today, you'd net about
$27.01after fees · best route: Direct
Direct $27.01Cardmarket $25.31Whatnot $23.77TCGplayer $23.27eBay $23.13

Net estimates use each marketplace's default seller tier and typical shipping — fees vary by category, account status and payment method, so confirm current rates before selling.

Sell or hold?▲ 9.4%
Market heating up ▲

Demand for Seaking #21 rose this week. If you're cashing out, this is a strong window; holders can wait for more upside.

Seaking at a glance

  • Ruby & Sapphire, EX series, 2003.
  • Recent averages: €0.70 (7d), €0.64 (30d).
  • Rare rarity.
  • Trades around $27.01 on TCGplayer.
  • Cardmarket values it at €0.80 (EUR).
Market prices

Seaking price by printing

Live TCGplayer and Cardmarket values for Seaking #21.

TCGplayer prices, updated 2026/10/26.

Reverse Holofoiltop
$27.01
TCGplayer market
Low
$13.23
Mid
$16.00
High
—
Normal
$1.07
TCGplayer market
Low
$0.74
Mid
$1.08
High
—

Cardmarket pricing (EUR)

Trend price
€0.80
Avg sold
€0.69
Lowest NM
€0.09
7-day avg
€0.70
30-day avg
€0.64

Cardmarket data updated 2026/10/26.

Verify the card image and live listings on TCGplayer, Cardmarket or eBay.

Deal check

Is this Seaking a good deal?

Put any asking price against today's live market value for Seaking #21.

$

Enter what a seller is asking for Seaking #21. We compare it to today's live market value.

Live market value$27.01
Enter an asking price to see whether it's a steal, a fair price, or overpriced versus the $27.01 market value.
Overview

About Seaking #21

Printed as #21 in Ruby & Sapphire, Seaking belongs to the EX series and dates to 2003. It is a Water-type Pokémon with 70 HP, printed as Stage 1.

Hajime Kusajima illustrated this card. Its Reverse Holofoil printing is priced near $27.01, with listings from $13.23 to —.

Card facts

Set
Ruby & Sapphire
Series
EX
Number
#21 / 109
Rarity
Rare
Illustrator
Hajime Kusajima
HP
70
Type
Water
Subtype
Stage 1
Evolves from
Goldeen
Pokédex
#119
Released
2003/07/01
Card text

Seaking attacks, abilities & battle stats

Printed card text and battle statistics for Seaking #21 — the playability layer behind the price.

Water

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.)

ColorlessColorless

Fast Stream

30

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.)

Battle stats

Weakness
Lightning ×2
Retreat cost
—
Attacks
2
Market analysis

Seaking price analysis

What drives the current market value of Seaking #21.

There are 2 tracked printings here — Reverse Holofoil at $27.01, Normal at $1.07.

This $27.01 tier rewards clean copies: a well-centred example sells well above a scuffed one.

A $27.01 card attracts serious buyers, so condition, centring and the specific print variant matter more than the headline price.

In EUR, Seaking trends at €0.80 on Cardmarket (avg sold €0.69, lowest NM €0.09).

Price trend

Seaking price history & movement

2026-10-13 · $24.68▲ 9.4% since 2026-10-132026-10-26 · $27.01

The card is heating up: the 7-day average sold price is €0.70, 9.4% above the 30-day average of €0.64.

Latest daily average €0.50 against a trend price of €0.80.

Seaking has been tracked here for 5 days, ranging from $24.68 to $27.01; the latest value sits at 100% of that recorded range — at the high end of the band.

Daily moves average a volatility of 4.1%, and the largest peak-to-trough drawdown recorded is 0%.

Cardmarket averages

1-day avg€0.50
7-day avg€0.70
30-day avg€0.64
Trend price€0.80

Price fingerprint

Built from CardLedger's own daily snapshots · 5 days tracked · latest

Prices as of October 26, 2026
Since :→ — (0.0%)
All-time high
$27.01
All-time low
$24.68
Off all-time high
-0%
5 days since high
Since first snapshot
+9.4%
Max drawdown
-0%
peak-to-trough
Daily volatility
4.1%
st. dev of daily moves
Current value
$27.01
latest snapshot
Position in recorded range
100%
low $24.68high $27.01

Real recorded values from our daily TCGplayer snapshots — not estimates or back-filled history. Methodology

Sell this card

How much would you net selling Seaking?

Model the real take-home on a [object Object] sale across eBay, TCGplayer, Cardmarket and direct — fees and shipping included.

On a $27.01 sale, the take-home differs by platform: about $23.13 via eBay's default tier, $23.27 on TCGplayer, $25.31 on Cardmarket, $23.77 on Whatnot and $27.01 selling directly — a $3.88 spread after fees and typical shipping.

As a rare card, Seaking sells differently by venue: marketplaces maximise reach, personal channels maximise margin. Use the calculator to weigh reach against take-home.

Your sale

$

Pre-filled with the current TCGplayer market for Seaking #21.

$
Best net payout$27.01
Spread across platforms$3.88
PlatformAccountFeesEff. feeYou net
eBayNo Store$3.8814.4%$23.13Sell on eBay →
TCGplayerStandard Seller$3.7413.9%$23.27Sell on TCGplayer →
Cardmarket / Local ShopPrivate Seller$1.706.3%$25.31Sell on Cardmarket →
Direct Sale (Social / Shows)bestCash / In Person—0.0%$27.01Sell in person
WhatnotStandard (8% + 2.9% + $0.30)$3.2412.0%$23.77Sell on Whatnot →

Modelled on each marketplace's default seller tier with your shipping input. Net payout = sale price − selling fees − outbound shipping. Fee figures are estimates (last reviewed October 15, 2026) and vary by category, account status and payment method — confirm current rates with the marketplace. Open the full seller fee calculator to model account tiers and buyer-paid shipping.

Grading ROI

Should you grade Seaking?

Model the break-even and PSA 9 vs PSA 10 profit on grading Seaking #21 against today's raw market value.

Grading plan

$

Pre-filled with the live market value for Seaking #21.

$

Both-way postage plus declared-value insurance.

Estimated graded values below are a transparent starting point based on the raw price band — edit them with real graded comps before deciding.

$
$
Should you grade this?
Borderline — hinges on PSA 10 odds

At $27.01 raw and $40.00 all-in grading cost, a PSA 10 nets $18.75 versus selling raw, a PSA 9 nets —. You need a graded sale of $72.99 to break even on grading.

At your stated grade odds the expected profit is — (-9.0% return on cost basis).

Net selling raw
$23.50
Net as PSA 9
$2.30
[object Object] vs raw
Net as PSA 10
$42.25
[object Object] vs raw
Break-even sale
$72.99
Expected value
$17.47
Expected profit
—
-9.0% ROI

Grading costs, turnaround and grade outcomes vary by service and card. The estimated PSA 9 and PSA 10 values are heuristics, not predictions — always sanity-check against recent graded sold listings before committing. This is a modelling tool, not financial advice.

Set context

Seaking within Ruby & Sapphire

Seaking ranks #38 of 98 tracked Ruby & Sapphire cards by market value, against a set median of $21.10.

It sits in the top 62% of the checklist on price.

The set's top card is Mewtwo ex (#101), valued at $746.79.

Rank in set
#38
of 98 tracked
Set median
$21.10
Rarity
Rare
Series
EX
Full Ruby & Sapphire report →
Value drivers

What makes Seaking valuable

  • As a Water-type Pokémon card, Seaking is sought by players and collectors alike.
  • Seaking is a Rare, so condition and the specific print variant matter more than raw rarity.
  • The Hajime Kusajima artwork gives Seaking appeal beyond pure playability.
  • Classic-era cards like Seaking (2003) are out of print, so condition drives differentiation.
  • Priced at $27.01 with steady supply, Seaking sells readily and clean copies command a premium.
Buying notes

Buying & selling Seaking

  • Bulk lots of Seaking can hide condition issues; inspect edges and holo surfaces before paying near the — high.
  • Check sold listings rather than asking prices — the Reverse Holofoil market of $27.01 reflects actual transactions on TCGplayer.
  • Because it is a Pokémon card, Seaking has both collector and player demand — a broader buyer pool than purely collectible cards.
  • Centring and surface condition matter most on Rare cards; a clean copy of Seaking can realise well above the $13.23 low end.
  • Ruby & Sapphire was released in 2003; sealed product from this era is limited, so raw singles appreciate with collector demand.
FAQ

Seaking value questions

How much is Seaking worth?

Live pricing puts the Reverse Holofoil print at $27.01 (low $13.23, high —); the Cardmarket trend is €0.80.

Should I buy Seaking?

Short-term momentum is rising (+9.4%). Older print runs tend to be more defensive holds.

How rare is Seaking?

Seaking is a Rare card from Ruby & Sapphire (EX series, 2003). It sits in a common-to-mid rarity tier, so condition and variant matter more than raw scarcity.

Does Seaking have multiple printings?

TCGplayer tracks 2 printings: Reverse Holofoil ($27.01), Normal ($1.07). Prices differ between variants, so always confirm which one you own or are buying.

Where can I buy or sell Seaking?

The main marketplaces are TCGplayer (USD), Cardmarket (EUR) and eBay. Current TCGplayer market is $27.01. When selling, compare net proceeds after fees — eBay and TCGplayer typically charge 9–13%, while direct sales carry lower or no fees.

What drives Seaking's value?

Four factors dominate: the Rare rarity tier, the classic-era EX set pedigree, playability (Pokémon, Water), and condition. Artwork by Hajime Kusajima also matters to collector demand.

Cross-set tracker

Other Seaking cards

Seaking appears in multiple sets — compare market values.

Explore

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