Steam Siege Booster Box
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Open it, or hold it sealed?
- Sealed price: $1,299.99
- Estimated value of the singles inside, assuming a 36-pack booster box: ~$252.00 (simulated across 36 packs at current market prices)
- On average opening returns 19% of the sealed price — the box is worth more sealed.
Single boxes vary wildly around this average — it's a long-run number, not a prediction. Full box-value breakdown → · Steam Siege pull rates →
The Steam Siege Booster Box is sealed Pokémon product from the Steam Siege set, released in 2016. It currently tracks around $1,299.99 from its live TCGplayer market price, a market figure rather than a single completed sale. Use the box-value calculator to see whether it's worth more sealed or opened.
More sealed from Steam Siege
About the Steam Siege Booster Box
The Steam Siege Booster Box is a Booster Box from Steam Siege, released in 2016, in CardTrack's Modern (2011–2019) bracket. The headline is TCGplayer's current market price for a sealed copy, refreshed 6 October 2026: a market figure, not a single completed sale, which is why the sold-listings link sits beside it. Over the last 30 days that price has risen 10.4%.
Among the 45 live-priced Booster Box products in CardTrack's sealed catalogue it ranks #14 by price, well above the $483.98 median for its type. Within the Steam Siege sealed line-up of 18 products it is #2 by price.
For scale, Steam Siege has 116 priced English singles on CardTrack, topped by the Gardevoir-EX at about $109.41 raw; every one of the 116 costs less than this sealed product. The open-or-hold block above turns that into an expected value for the 36 packs inside, using the set's modelled pull rates.
The page counts the box as 36 packs, the standard for an English booster box, and nothing more, so no claim is made about promo cards or accessories. Variant prices, where shown, are separate static estimates and are not meant to match the live headline.
Steam Siege Booster Box questions
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Prices are blended from real completed sales — eBay sold listings, Fanatics Collect and Goldin auction results, and PSA cert-verified sales — cross-checked against live TCGplayer, Cardmarket and PriceCharting market prices. How CardTrack prices cards →