Yanmega (XY Steam Siege Prerelease) XY144

XY Promos • Promo • Holofoil

All 50 printings from $0.05 →

Sold $13.98 (Oct 26)

1 NM sale this week · 2 in 30 days

TCGplayer market $12.17as of Oct 30, 2026↑ +$0.16 (+1.3%) this week

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Selling it? At market it nets about $10.24 on TCGplayer or $10.04 on eBay 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 / 3

NM sold between (7d)

$13.98–$13.98

Cheapest listing

$19.95

Units sold per day, Aug 5–Oct 26 (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
Oct 17	1	$13.98–$13.98
Oct 26	1	$13.98–$13.98

Condition	Sold 7d	Sold 30d
Lightly Played	0	1
Moderately Played	0	0
Near Mint	1	2
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 30, 2026, Yanmega (XY Steam Siege Prerelease) XY144 from XY Promos has a TCGplayer market price of $12.17. 1 Near Mint copy sold on TCGplayer this week at $13.98.

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

Its TCGplayer market price is up 5.8% over the past 30 days and up 1.3% over the past week, as of October 30, 2026.

How can I track the price of Yanmega (XY Steam Siege Prerelease) XY144?

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

$12.17

Low

$19.95

Mid

$124.33

High

$228.70

7-Day:+$0.16 (+1.3%)

30-Day:+$0.67 (+5.8%)

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%	$6.09	Cash buylist, low end
60%	$7.30	Cash buylist, typical
70%	$8.52	Buylist top end, store credit
80%	$9.74	Bulk lot or quick sale
90%	$10.95	Quick sale, just under market
100%	$12.17	Market price
110%	$13.39	Asking price, room to negotiate
120%	$14.60	Asking price, room to negotiate
150%	$18.26	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$12.17Raw copies, condition graded by the marketplace

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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.