Steam Siege Booster Box

XY - Steam Siege

Unopened · English · Booster Box

Market price$1,299.99Oct 11, 2026

6 months change+11.1%+$129.99

Steam Siege Booster Box: $1,299.99 estimated unopened market price as of Oct 11, 2026. Up 11.1% over the 180-day window ending Oct 11, 2026.

Provider quote for the unopened whole product. The SKU name is shown exactly as supplied.

Market temperature

+75Blazing

Price change+11.1%

Unopened · 6 months

Movement reflects this product's own price change only; it does not compare against other sealed products.

Unopened

History is shown as supplied by the provider and is not verified for comparable returns.

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