booster box EV · EUR · 2016

Steam Siege booster box, is it worth opening?

A sealed Steam Siege booster box yields an estimated €55.40 in singles (EUR, Cardmarket reference prices), about €1.54 per pack across 36 packs. Most modern English booster boxes retail around €100 to €160; compare against the exact price you'd pay below.

Estimated booster box EV (singles)
€55.40
≈ €1.54 per pack · 36 packs · prices as of 2026-11-04
Compare against the price you'd pay →
Expected premium pulls in a booster box
~1.98
Ultra Rare

Chase cards · odds of hitting at least one per booster box

Per-rarity breakdown · Steam Siege

101 of 116 cards priced. Avg = mean Cardmarket trend price for that rarity in the set.

RarityEV contrib.CardsAvg €
Ultra Rare€25.9312€13.10
Rare€22.0227€0.82
Common—30€0.08
Uncommon—30€0.19
Secret Rare—2€96.21

How this Steam Siege EV is estimated

Estimated value of the singles in a 36-pack booster box, computed as the sum over each pack slot of (pull-rate × average Cardmarket trend price for that rarity in this set). Pull rates are a disclosed community-aggregated model (SV/Mega community aggregate, 2026-06 (rev2)), Pokémon does not publish official odds, so this is an estimate of the average outcome, not a prediction for any single box. Reference prices are Cardmarket EUR trend values via TCGdex. Informational only, not financial advice.

Box EV for other sets

Reference prices: Cardmarket (EUR) via TCGdex, refreshed daily and cached here. Pull rates are a disclosed community-aggregated model (SV/Mega community aggregate, 2026-06 (rev2)). Estimates for planning only, not financial advice. Foilio is an unofficial fan project, not affiliated with The Pokémon Company.