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Yanmega (XY Steam Siege Prerelease)
Promo · #XY144
Yanmega (XY Steam Siege Prerelease) #XY144 (XY Promos) is worth about $11.50 today, the Near Mint market price from TCGplayer sales as of 2026-10-03.
price trend and all-time high: more ↓less ↑
Yanmega (XY Steam Siege Prerelease) #XY144 is trending up: $11.50 today, up 6% in 30 days and 2% below its all-time high of $11.75 (2025-11-14). TCGplayer market price as of 2026-10-03, tracked daily since 2024-02-08. chart →
illustrated by Midori Harada
Price data for your app or store: API and daily history since 2024 ·
LOADING TAPE
WORTH GRADING?
WHERE TO BUY AND SELL
Holofoil · no eBay scan yetBuy-side estimate
$11.50
THINa patient buyer pays about $11.50 delivered, from live asks, not sales
show the work →
TCGplayer only, no eBay scan yet
| TCGplayer market | $11.50 | verify ↗ |
| TCGplayer lowest ask | $15.04 |
Single source: TCGplayer market (no usable eBay asks in the last scan).
The verdict · premium
Cards at their high after a month up 5-25% were higher 90 days later 75% of the time in our archive since 2024 (22,898 cases).
The median move, the verdict and the grade-worthy math: try Premium free for 7 days →GAME DATA[ + ] SHOW[ × ] HIDE
- CARD TYPE
- Grass
- STAGE
- Stage 1
- HP
- 110
- ATTACK 1
- [3] Assault Boom (50+) IF your opponent's Active Pokemon has a Pokemon Tool card attached to it, this attack does 70 more damage.
- WEAKNESS
- Lx2
- RESISTANCE
- F-20
- RETREAT COST
- 0
- CARD TEXT
- 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.
MORE BY MIDORI HARADA
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PRICE FAQ
What would a card shop pay for Yanmega (XY Steam Siege Prerelease)?
+×
Shops and show vendors commonly offer about 70% of market in cash and 80% in store credit. At today's $11.50 market price that is roughly $8.05 cash or $9.20 trade for a near-mint copy. Selling it yourself on TCGplayer or eBay nets more after fees; see the seller-net answer below.
What is Yanmega (XY Steam Siege Prerelease) (XY Promos) worth today?
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Yanmega (XY Steam Siege Prerelease) [Holofoil] has a TCGplayer market price of $11.50 as of 2026-10-02.
Is Yanmega (XY Steam Siege Prerelease) going up or down in price?
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Yanmega (XY Steam Siege Prerelease) #XY144 is trending up: $11.50 today, up 6% in 30 days and 2% below its all-time high of $11.75 (2025-11-14). TCGplayer market price as of 2026-10-03, tracked daily since 2024-02-08.
What is the all-time high price for Yanmega (XY Steam Siege Prerelease)?
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The Near Mint price, the one quoted at the top of this page, peaked at $11.75 (2025-11-14). In TickerMint's daily data (since February 2024), the TCGplayer market price for Yanmega (XY Steam Siege Prerelease) [Holofoil] (all conditions) peaked at $11.75 (2025-11-12) and bottomed at $7.07 (2024-12-09).
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