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XY - Steam Siege set logo

XY - Steam Siege · Reverse Holo · PSA 9

Updated today
XY - Steam Siege · Reverse Holo · PSA 9 · Inception Oct 7, 2026 · 11 constituents

As of Nov 14, 2026, the XY - Steam Siege · Reverse Holo · PSA 9 stands at 315.06, up 207.9% in 30 days (11 constituents).

Current value
315.06
base 100 at inception
1D+0.0%30D+207.9%ITD+215.1%
Sales evidenceModerate
Constituents
11
vs 5 at inception
Year on year
-
6 weekly points
Last rebalance
Nov 14, 2026
Δ +17.8% cap
Divisor
116
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 · Reverse Holo · PSA 911 constituents
Index level
315.1
34D↑214.5%
Oct 11, 202634D · +214.5% · 6 weeksNov 14, 2026
Oct 2026100.2 - 315.1Nov 2026
Total cap
$30.8K
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 11 of 11

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
    divisor99→116Δcap17.8%

    Added (1)
    • volcarona-15-xy-steam-siege-reverse-holo
    Removed (0)
    None
  2. Nov 7, 2026
    divisor95→95Δcap0.0%

    Added (0)
    None
    Removed (0)
    None
  3. Oct 24, 2026
    divisor97→96Δcap0.0%

    Added (0)
    None
    Removed (0)
    None
  4. Oct 17, 2026
    divisor75→82Δcap8.3%

    Added (5)
    • bergmite-36-xy-steam-siege-reverse-holo
    • mankey-52-xy-steam-siege-reverse-holo
    • primeape-53-xy-steam-siege-reverse-holo
    • bisharp-64-xy-steam-siege-reverse-holo
    • tangela-1-xy-steam-siege-reverse-holo
    Removed (0)
    None
  5. Oct 10, 2026
    divisor76→82Δcap8.1%

    Added (1)
    • hoopa-51-xy-steam-siege-reverse-holo
    Removed (0)
    None
  6. Oct 3, 2026
    divisor-→77Δcap-

    Added (5)
    • bastiodon-70-xy-steam-siege-reverse-holo
    • azumarill-77-xy-steam-siege-reverse-holo
    • hydreigon-86-xy-steam-siege-reverse-holo
    • gardevoir-spirit-link-101-xy-steam-siege-reverse-holo
    • nuzleaf-10-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 · Reverse Holo · PSA 9 track?
11 XY - Steam Siege Reverse Holo cards graded PSA 9, weighted by market cap. It started at 100.00 on 2026-10-07 and stands at 315.06.
How has the XY - Steam Siege · Reverse Holo · PSA 9 moved?
It is up 207.9% over the past month and up 215.1% year to date.
Which cards carry the most weight in the XY - Steam Siege · Reverse Holo · PSA 9?
Azumarill (PSA 9) at 93.9%, Bisharp (PSA 9) at 1.5% and Hydreigon (PSA 9) at 1.3% of the index.
How is the XY - Steam Siege · Reverse Holo · PSA 9 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.