XY - Steam Siege · Ultra Rare · PSA 7

Updated 3 days ago

XY - Steam Siege · Ultra Rare · PSA 7 · Inception May 15, 2026 · 9 constituents

EXPORT CSV

Current value

148.43

base 100 at inception

1D-0.1%30D+13.1%ITD+48.4%

Sales evidenceStrong

Constituents

vs 5 at inception

Year on year

20 weekly points

Last rebalance

Sep 26, 2026

Δ 0.0% cap

Divisor

249

continuous accounting

Top holdings

by weight

Top 5 hold 89.8% of index weight across 9 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 · Ultra Rare · PSA 79 constituents

Index level

148.4

4M↑51.6%

May 17, 20264M · +51.6% · 20 weeksSep 26, 2026

May 202697.9 - 165.8Sep 2026

Total cap

$37.0K

Median atom cap

$3.3K

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 9 of 9


M Gardevoir EX · Ultra Rare	PSA7	49.2%	$18.2K	Very strong	-0.3%
M Gardevoir EX · Ultra Rare	PSA7	12.4%	$4.6K	Strong	+0.7%
Gardevoir EX · Ultra Rare	PSA7	10.4%	$3.9K	Moderate	+0.5%
M Steelix EX · Ultra Rare	PSA7	9.0%	$3.3K	Strong	+1.8%
Steelix EX · Ultra Rare	PSA7	8.8%	$3.3K	Strong	-0.5%
M Steelix EX · Ultra Rare	PSA7	4.3%	$1.6K	Strong	-2.3%
Volcanion EX · Ultra Rare	PSA7	3.9%	$1.4K	Strong	-0.5%
Pokémon Ranger · Ultra Rare	PSA7	1.9%	$691	Limited	+0.2%
Yanmega BREAK · Ultra Rare	PSA7	0.1%	$43	Sparse	+0.3%

Constituents

Top 9 of 9 · 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.

Sep 26, 2026
divisor249→249Δcap0.0%
Added (0)
None
Removed (0)
None
Sep 19, 2026
divisor225→251Δcap11.5%
Added (4)
- yanmega-break-8-steam-siege-holo
- m-steelix-ex-68-steam-siege-holo
- volcanion-ex-107-steam-siege-holo
- pokemon-ranger-113-steam-siege-holo
Removed (0)
None
Sep 13, 2026
divisor234→235Δcap0.4%
Added (0)
None
Removed (0)
None
Sep 5, 2026
divisor234→234Δcap0.0%
Added (0)
None
Removed (0)
None
Aug 29, 2026
divisor236→234Δcap0.6%
Added (0)
None
Removed (0)
None
Aug 22, 2026
divisor233→233Δcap0.1%
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 SiegeSet total cap$4.87M

Frequently asked

What does the XY - Steam Siege · Ultra Rare · PSA 7 track?

9 XY - Steam Siege Ultra Rare cards graded PSA 7, weighted by market cap. It started at 100.00 on 2026-05-15 and stands at 148.43.

How has the XY - Steam Siege · Ultra Rare · PSA 7 moved?

It is up 13.1% over the past month and up 48.4% year to date.

Which cards carry the most weight in the XY - Steam Siege · Ultra Rare · PSA 7?

M Gardevoir EX (PSA 7) at 49.2%, M Gardevoir EX (PSA 7) at 12.4% and Gardevoir EX (PSA 7) at 10.4% of the index.

How is the XY - Steam Siege · Ultra Rare · 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.

Other grades · XY - Steam Siege · Ultra Rare

PSA 7 · Other print runs

Parent set

XY - Steam Siege

Set total cap

$4.9M

XY - Steam Siege · Ultra Rare · PSA 7

Top holdings

Index value over time

Constituents

Rebalances

Methodology

Parent set

Frequently asked

Related

Other grades · XY - Steam Siege · Ultra Rare

PSA 7 · Other print runs

Parent set