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Steam Siege Booster Box
The Steam Siege Booster Box is $1,299.99 today (TCGplayer market, 2026-10-02), up 85% in a year. The 5 priciest XY - Steam Siege singles total $257, and 3 cards in the set are worth more than a pack ($36.11 a pack from a booster box).
price trend and all-time high: more ↓less ↑
Steam Siege Booster Box is trending up: $1,299.99 today, up 10% in 30 days and at its all-time high (2026-09-18), and 3.6x its low of $357 (2024-02-08). TCGplayer market price as of 2026-10-02, tracked daily since 2024-02-08. chart →
Price data for your app or store: API and daily history since 2024 · CSV download
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WHERE TO BUY AND SELL
Normal · no eBay scan yetBuy-side estimate
$1,300
THINa patient buyer pays about $1,300 delivered, from live asks, not sales
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TCGplayer only, no eBay scan yet
| TCGplayer market | $1299.99 | verify ↗ |
| TCGplayer lowest ask | $1500.00 |
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 →MORE FROM XY - STEAM SIEGE
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PRICE FAQ
Is the Steam Siege Booster Box worth it?
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The Steam Siege Booster Box is $1,299.99 today (TCGplayer market, 2026-10-02), up 85% in a year. The 5 priciest XY - Steam Siege singles total $257, and 3 cards in the set are worth more than a pack ($36.11 a pack from a booster box). Opened, a booster box is worth what it pulls, and pull rates vary by set and are not official; kept sealed, the price history on this page is the track record. These are TCGplayer market prices, updated daily.
What is Steam Siege Booster Box (XY - Steam Siege) worth today?
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Steam Siege Booster Box [Normal] has a TCGplayer market price of $1299.99 as of 2026-10-02.
Is Steam Siege Booster Box going up or down in price?
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Steam Siege Booster Box is trending up: $1,299.99 today, up 10% in 30 days and at its all-time high (2026-09-18), and 3.6x its low of $357 (2024-02-08). TCGplayer market price as of 2026-10-02, tracked daily since 2024-02-08. Other windows: up 0.0% over 7 days, up 11.1% over 90 days, up 84.9% over a year. A 30-day rise this size usually follows a supply squeeze or a new format result; check the eBay book depth before buying in.
What is the all-time high price for Steam Siege Booster Box?
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