Booster box EV · EUR · 2019
SWSH Black Star Promos booster box, is it worth opening?
A sealed SWSH Black Star Promos box yields an estimated €342.85 in singles (EUR, Cardmarket reference prices), about €9.52 per pack across 36 packs. Most modern English booster boxes retail around €100 to €160; compare against the exact price you'd pay below.
Chase cards · odds of hitting at least one per box
Per-rarity breakdown · SWSH Black Star Promos
178 of 302 cards priced. Avg = mean Cardmarket trend price for that rarity in the set.
| Rarity | Cards | Avg € | Top € | ~ / box | EV contrib. |
|---|---|---|---|---|---|
| Ultra Rare | 1 | €11.86 | €11.86 | ~1.98 | €23.48 |
| Promo | 176 | €5.91 | €1,344.67 | — | — |
| Rare | 1 | €11.63 | €11.63 | — | — |
How this SWSH Black Star Promos 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 pokemontcg.io. 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.