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XY - Steam Siege · PSA 7

Updated today
XY - Steam Siege · PSA 7 · Inception May 15, 2026 · 30 constituents

As of Nov 14, 2026, the XY - Steam Siege · PSA 7 stands at 147.10, up 17.1% in 30 days (30 constituents).

Current value
147.10
base 100 at inception
1D+0.4%30D+17.1%ITD+47.1%
Sales evidenceStrong
Constituents
30
vs 8 at inception
Year on year
-
26 weekly points
Last rebalance
Nov 14, 2026
Δ +0.7% cap
Divisor
656
continuous accounting

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 · PSA 730 constituents
Index level
147.1
6M↑49.0%
May 17, 20266M · +49.0% · 26 weeksNov 14, 2026
May 202698.1 - 147.1Nov 2026
Total cap
$95.7K
Median atom cap
$143

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 20 of 30

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 14, 2026
    divisor654→656Δcap0.7%

    Added (1)
    • volcarona-15-xy-steam-siege-reverse-holo
    Removed (0)
    None
  2. Nov 7, 2026
    divisor663→663Δcap0.0%

    Added (0)
    None
    Removed (0)
    None
  3. Oct 24, 2026
    divisor664→664Δcap0.0%

    Added (0)
    None
    Removed (0)
    None
  4. Oct 17, 2026
    divisor640→649Δcap1.4%

    Added (10)
    • shiftry-11-steam-siege-normal
    • infernape-20-steam-siege-normal
    • bisharp-64-steam-siege-normal
    • xerneas-break-82-steam-siege-holo
    • professor-sycamore-114-steam-siege-holo
    • bergmite-36-xy-steam-siege-reverse-holo
    • primeape-53-xy-steam-siege-reverse-holo
    • bisharp-64-xy-steam-siege-cosmos-2017-knock-out-collection
    • bisharp-64-xy-steam-siege-reverse-holo
    • shiftry-11-xy-steam-siege-cosmos-2017-knock-out-collection
    Removed (0)
    None
  5. Oct 10, 2026
    divisor603→603Δcap0.0%

    Added (1)
    • hoopa-51-xy-steam-siege-reverse-holo
    Removed (0)
    None
  6. Oct 3, 2026
    divisor585→601Δcap2.8%

    Added (6)
    • clawitzer-break-35-steam-siege-holo
    • ampharos-40-steam-siege-normal
    • chandelure-50-steam-siege-normal
    • hydreigon-86-steam-siege-normal
    • hydreigon-86-xy-steam-siege-reverse-holo
    • gardevoir-spirit-link-101-xy-steam-siege-reverse-holo
    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$7.94M

Frequently asked

What does the XY - Steam Siege · PSA 7 track?
30 XY - Steam Siege cards graded PSA 7, weighted by market cap. It started at 100.00 on 2026-05-15 and stands at 147.10.
How has the XY - Steam Siege · PSA 7 moved?
It is up 17.1% over the past month and up 47.1% year to date.
Which cards carry the most weight in the XY - Steam Siege · PSA 7?
Gardevoir EX (PSA 7) at 44.1%, M Gardevoir EX (PSA 7) at 20.7% and M Gardevoir EX (PSA 7) at 6.8% of the index.
How is the XY - Steam Siege · PSA 7 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.

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