Steam Siege
As of Oct 1, 2026 · PriceCharting
Set index · 100 on Aug 7, 2026
Steam Siege index Beta
97.9Equal weight close · Oct 1
Equal weight gives every card in the basket the same pull. Value weight lets pricier cards count for more.
Daily close · as of Oct 1, 2026 · PriceCharting
Contribution
What moved set value · 7D
Each card's dollar change over 7 days. Set value counts every priced card, including cards outside the index basket, so these moves can differ from the index.
Sep 24 to Oct 1
- All other cardsnet of smaller moves +$4.07
Net 7D change in set value +$0.30 +0.1% set value · $372 to $373 on cards priced both days
See all Steam Siege cards sorted by 7-day change → Concentration
Where the set's value sits
Top 3 cards = 39.9% of set value
- Gardevoir-EX · #116$80.4621.6%
- M Gardevoir-EX · #112$36.039.7%
- Volcanion-EX · #115$31.988.6%
- 113 other priced cards$22460.1%
The priciest card is 21.6% of this set's value. Inside the index basket, the priciest card carries 25.2% of the value weight.
Index basket
Liquidity gate on28 of 116 cards pass the liquidity gate
- In the basket28 cards$320 · 85.8%
- Excluded by the liquidity gate88 cards$52.82 · 14.2%
- No PriceCharting price0 cards—
The Oct 1 close compared 28 basket cards priced that day and the day before. Cards need a price of $2+ and 24+ sales a year.