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✦ The card everyone is chasing
Gardevoir EX

Gardevoir EX

Steam Siege

$108.48

Sealed product · 36 packs

Steam Siege Booster Box

A Steam Siege booster box trades at $1,459.59. Opened, it returns $200.80 of cards on average — 14 % of what you paid. Price and expected value as of 27 October 2026, recomputed daily.

KEEPOpening EV doesn't cover what you paid
Market price
$1,459.59
Opening EV
$200.80
$5.58 per pack
Gap vs market price
−86.2 %
Odds of breaking even
0 %
Run it with my price →

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Quote refreshed daily

This product's price history

$1,459.59as of Oct 26+12.3 % over 30 days
Sep 26Oct 26

TCGplayer US market price

What's inside a Steam Siege booster box

  • Gardevoir EX — Steam SiegeGardevoir EX$108.480.45 % odds per pack
  • M Gardevoir EX — Steam SiegeM Gardevoir EX$57.620.92 % odds per pack
  • Volcanion EX — Steam SiegeVolcanion EX$35.590.45 % odds per pack
  • M Steelix EX — Steam SiegeM Steelix EX$29.050.92 % odds per pack

Frequently asked questions

At today's market price ($1,459.59), the expected value of opening it is $200.80 — 14 % of what you pay. Opening does not cover the price paid: the verdict is KEEP. The probability of breaking even on a single opening is 0 %. Remember that EV is an average: any one opening comes down entirely to the big hit.

Full Steam Siege card list