Seaking 21/109 Reverse Holo

EX Ruby and Sapphire • Rare • Reverse Holofoil

No sales in the last 7 days

$27.01as of Oct 30, 2026↑ $0.00 (+0.0%) this week

We may earn a commission on these links, at no cost to you.

Selling it? At market it nets about $22.78 on eBay or $23.08 on TCGplayer after fees. Where to sell and the fee calculator →

Sales & Velocity

As of 2026-10-30

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

Sold (7d / 30d)

1 / 7

NM sold between (7d)

—

Cheapest listing

$13.23

Units sold per day, Oct 1–Oct 1 (Near Mint)

Units sold per day, Near Mint
Date	Units sold	Sold between
Oct 1	4	$28.45–$30.00

Condition	Sold 7d	Sold 30d
Lightly Played	0	0
Moderately Played	1	3
Near Mint	0	4
Damaged	0	0
Heavily Played	0	0

Sales data: TCGplayer

Quick answers

How much is Seaking 21/109 worth?

As of October 30, 2026, Seaking 21/109 from EX Ruby and Sapphire has a TCGplayer market price of $27.01.

Is Seaking 21/109 going up or down in price?

Its TCGplayer market price is up 65.1% over the past 30 days and flat over the past week, as of October 30, 2026.

How can I track the price of Seaking 21/109?

Set a free price alert on this page: enter your email and a target price, and The Lab TCG emails you when the TCGplayer market price falls to it. Prices are checked every night, and no account is needed.

Price Snapshot

Market

$27.01

Low

$13.23

Mid

$27.33

High

$347.87

7-Day:$0.00 (+0.0%)

30-Day:+$10.65 (+65.1%)

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%	$13.51	Cash buylist, low end
60%	$16.21	Cash buylist, typical
70%	$18.91	Buylist top end, store credit
80%	$21.61	Bulk lot or quick sale
90%	$24.31	Quick sale, just under market
100%	$27.01	Market price
110%	$29.71	Asking price, room to negotiate
120%	$32.41	Asking price, room to negotiate
150%	$40.52	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 1 Pokémon · 70 HP · Water

WWater Arrow
Choose 1 of your opponent's Pokemon. This attack does 20 damage to that Pokemon. (Don't apply Weakness and Resistance for Benched Pokemon.)
2Fast Stream30
Move 1 Energy card attached to the Defending Pokemon to the other Defending Pokemon. (Ignore this effect if your opponent has only 1 Defending Pokemon.)

Weakness L · Resistance None · Retreat 0

Where to Buy

TCGPlayerRaw$27.01Raw copies, condition graded by the marketplace

Buy Now

eBayRaw listings and graded slabs

Raw listings PSA listings

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