Yanmega (XY Steam Siege Prerelease) XY144

XY Promos • Promo • Holofoil

No sales in the last 7 days

$11.69as of Oct 10, 2026↑ +$0.10 (+0.9%) this week

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Selling it? At market it nets about $9.82 on TCGplayer or $9.63 on eBay after fees. Where to sell and the fee calculator →

Sales & Velocity

As of 2026-10-10

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

Sold (7d / 30d)

1 / 2

NM sold between (7d)

—

Cheapest listing

$19.95

Units sold per day, Aug 5–Sep 12 (Near Mint)

Units sold per day, Near Mint
Date	Units sold	Sold between
Aug 5	1	$11.99–$11.99
Sep 3	1	$15.96–$15.96
Sep 12	1	$13.97–$13.97

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

Sales data: TCGplayer

Quick answers

How much is Yanmega (XY Steam Siege Prerelease) XY144 worth?

As of October 10, 2026, Yanmega (XY Steam Siege Prerelease) XY144 from XY Promos has a TCGplayer market price of $11.69.

Is Yanmega (XY Steam Siege Prerelease) XY144 going up or down in price?

Its TCGplayer market price is up 4.0% over the past 30 days and up 0.9% over the past week, as of October 10, 2026.

Price Snapshot

Market

$11.69

Low

$19.95

Mid

$124.39

High

$228.82

7-Day:+$0.10 (+0.9%)

30-Day:+$0.45 (+4.0%)

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%	$5.85	Cash buylist, low end
60%	$7.01	Cash buylist, typical
70%	$8.18	Buylist top end, store credit
80%	$9.35	Bulk lot or quick sale
90%	$10.52	Quick sale, just under market
100%	$11.69	Market price
110%	$12.86	Asking price, room to negotiate
120%	$14.03	Asking price, room to negotiate
150%	$17.54	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 · 110 HP · Grass

3Assault Boom50+
IF your opponent's Active Pokemon has a Pokemon Tool card attached to it, this attack does 70 more damage.

Ability — Sonic Vision
If you have exactly 4 cards in your hand, ignore all Energy in the attack cost of each of this Pokemon's attacks.

Weakness Lx2 · Resistance F-20 · Retreat 0

Where to Buy

TCGPlayerRaw$11.69Raw copies, condition graded by the marketplace

Buy Now

eBayRaw listings

Raw listings

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