Steam Siege Booster Box

Not for value if you open it: the Steam Siege Booster Box is $1,436.99 today (TCGplayer market, 2026-10-29), up 85% in a year. At $39.92 a pack (36 packs), 2 cards in XY - Steam Siege are worth more than a pack, led by Gardevoir EX (Secret) #116/114 at $110, and the 5 priciest singles total $260.

Not for value. You pay $39.92 a pack: 36 packs for $1,436.99 (TCGplayer market, 2026-10-29). 2 cards in XY - Steam Siege sell for more than that. The 5 priciest singles total $260, 0.2x what the booster box costs, led by Gardevoir EX (Secret) #116/114 at $110.

It has gained value sealed: up 85% over the last year to $1,436.99 (TCGplayer market, 2026-10-29), and up 11% over 30 days.

The Steam Siege Booster Box has 36 booster packs. At $1,436.99 (TCGplayer market, 2026-10-29) that is $39.92 a pack.

Yes. $1,436 is at or below today's fair price for the Steam Siege Booster Box, which is up to $1,436.99 (TCGplayer market $1,436.99 on 2026-10-29). Between $1,436.99 and $1,652.54 is a bit high, and above $1,652.54 you are overpaying. The TCGplayer market price updates daily.

Steam Siege Booster Box [Normal] has a TCGplayer market price of $1436.99 as of 2026-10-29.

Steam Siege Booster Box is trending up: $1,436.99 today, up 11% in 30 days and 2% below its high of $1,460 (2026-10-24), the highest since we began tracking (2024-02-08), and 4.0x its low of $357 (2024-02-08). TCGplayer market price as of 2026-10-29, tracked daily since 2024-02-08. Other windows: up 0.0% over 7 days, up 22.0% 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.

TickerMint began tracking Pokemon prices on 2024-02-08, after Steam Siege Booster Box came out, so these are the highest and lowest prices since we began tracking (2024-02-08), not all-time records. In TickerMint's daily data (since February 2024), the TCGplayer market price for Steam Siege Booster Box [Normal] (all conditions) peaked at $1459.59 (2026-10-24) and bottomed at $357.34 (2024-02-08).