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XY - Steam Siege set logo

XY - Steam Siege · Secret · Composite

Updated yesterday
XY - Steam Siege · Secret · Composite · Inception May 15, 2026 · 8 constituents

As of Nov 13, 2026, the XY - Steam Siege · Secret · Composite stands at 181.90, up 10.6% in 30 days (8 constituents).

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Current value
181.90
base 100 at inception
1D-0.2%30D+10.6%ITD+81.9%
Sales evidenceVery strong
Constituents
8
vs 8 at inception
Year on year
-
26 weekly points
Last rebalance
Nov 7, 2026
Δ 0.0% cap
Divisor
16,177
continuous accounting

Top holdings

by weight

Top 5 hold 97.7% of index weight across 8 constituents.

Index value over time

Weekly index level. Pro members can view and export the complete recorded history. Constituents are cap-weighted with the divisor reset on each monthly rebalance.

XY - Steam Siege · Secret · Composite8 constituents
Index level
181.9
6M↑82.1%
May 17, 20266M · +82.1% · 26 weeksNov 13, 2026
May 202699.9 - 230.2Nov 2026
Total cap
$2.94M
Median atom cap
$102.8K

Constituents

Every atom in the index, cap-weighted and dampened by sales evidence. Follow a card name to drill into the underlying card detail.

Showing 8 of 8
Constituents
Top 8 of 8 · 100.0% of index weight · cap-weighted
#CardWtLast Δ

Rebalances

Most recent weekly rebalance events. The divisor is reset on each event so the index level remains continuous through composition changes; subsequent moves are price-driven.

  1. Nov 7, 2026
    divisor15,983→15,981Δcap0.0%

    Added (0)
    None
    Removed (0)
    None
  2. Oct 24, 2026
    divisor15,984→16,010Δcap0.0%

    Added (0)
    None
    Removed (0)
    None
  3. Oct 17, 2026
    divisor15,805→15,780Δcap0.2%

    Added (0)
    None
    Removed (0)
    None
  4. Oct 10, 2026
    divisor15,462→15,462Δcap0.0%

    Added (0)
    None
    Removed (0)
    None
  5. Oct 3, 2026
    divisor15,324→15,351Δcap0.2%

    Added (0)
    None
    Removed (0)
    None
  6. Sep 26, 2026
    divisor15,294→15,294Δcap0.0%

    Added (0)
    None
    Removed (0)
    None

Methodology

Cap-weighted from confidence-scored fair values, rebalanced monthly with continuous divisor accounting.

Read the full methodology

Parent set

XY - Steam Siege set logoXY - Steam SiegeSet total cap$8.04M

Frequently asked

What does the XY - Steam Siege · Secret · Composite track?
8 XY - Steam Siege Secret cards graded PSA 7 to PSA 10, weighted by market cap. It started at 100.00 on 2026-05-15 and stands at 181.90.
How has the XY - Steam Siege · Secret · Composite moved?
It is up 10.6% over the past month and up 81.9% year to date.
Which cards carry the most weight in the XY - Steam Siege · Secret · Composite?
Gardevoir EX (PSA 10) at 55.3%, Volcanion EX (PSA 10) at 19.2% and Gardevoir EX (PSA 9) at 16.1% of the index.
How is the XY - Steam Siege · Secret · Composite calculated?
The level is the constituents' combined market cap (fair value times graded population) divided by a divisor, with each card's weight dampened by the confidence of its fair value. The index rebalances weekly and the divisor absorbs every membership and population change, so only prices move the level. Values are recomputed daily from graded sales.

Related

Other indices that share this print run or this grade tier, plus the parent set.

Other grades · XY - Steam Siege · Secret

Composite · Other print runs

Parent set

XY - Steam Siege
Set total cap
$8.0M