Sun & Moon - Cosmic Eclipse · Secret

Arceus & Dialga & Palkia GX #258, Secret, Sun & Moon - Cosmic Eclipse

Card number: #258/236
Rarity: Secret Rare
Finish: Holo

Sun & Moon - Cosmic Eclipse SecretCEC258:EN

TKRCEC258:EN-P10

Grading toolPro

TCGBerg fair value· PSA 10

$530

Our estimate of this card's fair value, calculated from recorded sales.

Sales evidenceVery strong

30D performance

30D: -
YTD: -
Market cap: $413.9K
Volatility: 2.2%

Last sale (Sep 17, 2026)Last sale

$465

PSA 10 · Sep 17, 2026

12.3% below TCGBerg fair value

5-sale avg

$508

last 5 sales

Population · PSA 10

781

graded copies

TCGBerg fair value · PSA 10

$530

Sales evidenceVery strong

Market cap

$413.9K

fair value x population

Population

781

graded copies

Last sale

$465

-12.3% vs fair

5-sale avg

$508

recent sales

GradingPro

Price history

Open terminalPro

Weekly fair value for PSA 10. Shaded area is the confidence band: how precisely we can pin the value; it tightens as more sales confirm it. Dots are individual sales.

TCGBerg fair value · PSA 10Sale below fairSale above fairOutlier

Sep 6, 20264 weekly points · 71 salesSep 27, 2026

Behind the scenes

What goes into this price, and how much we know.

Recent sales10 tracked

Most recent transactions. From public auction comps and dealer reporting. Showing 10 of 10; delta vs fair value is the difference between the sale price and the grade's quoted fair value on that date.

Date	Grade	Price	Source	vs TCGBerg FV
Sep 19, 2026	PSA9	$105	ebay	4.6%
Sep 17, 2026	PSA10	$465	ebay	12.7%
Sep 16, 2026	PSA7	$50	ebay	2.0%
Sep 16, 2026	PSA9	$110	ebay	0.0%
Sep 15, 2026	PSA9	$150	ebay	36.3%
Sep 15, 2026	PSA9	$130	ebay	18.1%
Sep 13, 2026	PSA9	$76	ebay	26.6%
Sep 10, 2026	PSA10	$515	ebay	3.6%
Sep 9, 2026	PSA10	$560	ebay	4.9%
Sep 8, 2026	PSA10	$500	fanatics_collect	6.4%

$105
Sep 19, 2026 · via ebay
PSA9versus fair value, down 4.6%
$465
Sep 17, 2026 · via ebay
PSA10versus fair value, down 12.7%
$50
Sep 16, 2026 · via ebay
PSA7versus fair value, down 2.0%
$110
Sep 16, 2026 · via ebay
PSA9versus fair value, flat 0.0%
$150
Sep 15, 2026 · via ebay
PSA9versus fair value, up 36.3%
$130
Sep 15, 2026 · via ebay
PSA9versus fair value, up 18.1%
$76
Sep 13, 2026 · via ebay
PSA9versus fair value, down 26.6%
$515
Sep 10, 2026 · via ebay
PSA10versus fair value, down 3.6%
$560
Sep 9, 2026 · via ebay
PSA10versus fair value, up 4.9%
$500
Sep 8, 2026 · via fanatics_collect
PSA10versus fair value, down 6.4%

All grades matrix

Every grade we track for this printing. Click any column header to sort; the rightmost column jumps you to listings for that grade.

PSA10$530
1d 0.4%7d 0.5%30d -
Pop
781
Mcap
$413.9K
Evidence
Very strong
Last
$465
PSA9$111
1d 0.1%7d 0.6%30d -
Pop
647
Mcap
$71.7K
Evidence
Very strong
Last
$105
PSA8$86
1d 0.2%7d 0.5%30d -
Pop
222
Mcap
$19.0K
Evidence
Moderate
Last
$72


PSA10	$530	781	$413.9K	0.4%	0.5%	-	-	-	Very strong	$4652w ago
PSA9	$111	647	$71.7K	0.1%	0.6%	-	-	-	Very strong	$1051w ago
PSA8	$86	222	$19.0K	0.2%	0.5%	-	-	-	Moderate	$722mo ago
PSA7	$51	52	$2.7K	0.0%	0.0%	-	-	-	Strong	$502w ago
PSA6	$46	39	$1.8K	0.0%	0.9%	-	-	-	Sparse	$551mo ago
Raw	$112	-	-	-	1.3%	11.6%	-	-	Very strong	$1033w ago

TCGBerg fair value by grade

Value at each grade and ungraded condition, on a log scale that spans the full range from raw (Damaged) at $34 up to gem-mint at $530. Log scale. Tap a row to switch the whole page.

Raw NM$112Ungraded · TCGBerg fair value
Raw LP$87Ungraded · TCGBerg fair value
Raw MP$62Ungraded · market price
Raw HP$52Ungraded · market price
Raw Damaged$34Ungraded · TCGBerg fair value

hatched = market price, not a TCGBerg fair value

Population & rarity

1,741 graded copies of Arceus & Dialga & Palkia GX Secret across 5 grades. The selected grade is highlighted.

PSA 10

781 · 45%

PSA 9

647 · 37%

PSA 8

222 · 13%

PSA 7

52 · 3.0%

PSA 6

39 · 2.2%

PSA 10 makes up 45% of graded copies: 781 of 1,741. It’s the most common grade for this card.

Relative valuation vs. index

How PSA 10 has moved relative to Sun & Moon - Cosmic Eclipse · Secret · Composite since Sep 13, 2026. Both indexed to 100 at the index’s inception. Card underperformed by 1.7 pp.

About Sun & Moon - Cosmic EclipseParent set

This printing in the context of its parent set: total set cap and this printing's share of it.

Browse all sets →

Set total cap

$62.10M

across all printings

This printing's share

0.8%

of total set cap

Implied printing cap

$509.0K

share × set cap

Browse all sets →

Arceus & Dialga & Palkia GX - Secret at PSA 10 carries a TCGBerg fair value of $530 as of 2026-09-27. We track a TCGBerg fair value across 5 grades from Sun & Moon - Cosmic Eclipse, from PSA 6 up to PSA 10. A graded population of 781 copies sits behind the PSA 10 grade. The PSA 10 valuation rests on very strong sales evidence.

Show more analysisAnalysis, commentary & FAQ

PSA 10 commentary

The TCGBerg fair value of a PSA 10 Arceus & Dialga & Palkia GX - Secret is $530 as of 2026-09-27. 781 copies have been graded at this level. This valuation rests on very strong sales evidence. The most recent recorded sale was $465 on 2026-09-17.

PSA 10 - frequently asked

What is the TCGBerg fair value of a PSA 10 Arceus & Dialga & Palkia GX - Secret?

$530 as of 2026-09-27, our model-derived fair value for a PSA 10 Arceus & Dialga & Palkia GX - Secret based on recent graded sales.

How rare is a PSA 10 Arceus & Dialga & Palkia GX - Secret?

781 copies have been graded at PSA 10, the graded population behind this atom.

Frequently asked

What is the TCGBerg fair value of a PSA 10 Arceus & Dialga & Palkia GX - Secret?: $530 as of 2026-09-27, our model-derived fair value for a PSA 10 Arceus & Dialga & Palkia GX - Secret based on recent graded sales.
How rare is a PSA 10 Arceus & Dialga & Palkia GX - Secret?: 781 copies have been graded at PSA 10, the graded population behind this atom.

PSA 9 commentary

The TCGBerg fair value of a PSA 9 Arceus & Dialga & Palkia GX - Secret is $111 as of 2026-09-27. 647 copies have been graded at this level. This valuation rests on very strong sales evidence. The most recent recorded sale was $105 on 2026-09-19.

PSA 9 - frequently asked

What is the TCGBerg fair value of a PSA 9 Arceus & Dialga & Palkia GX - Secret?

$111 as of 2026-09-27, our model-derived fair value for a PSA 9 Arceus & Dialga & Palkia GX - Secret based on recent graded sales.

How rare is a PSA 9 Arceus & Dialga & Palkia GX - Secret?

647 copies have been graded at PSA 9, the graded population behind this atom.

Frequently asked

What is the TCGBerg fair value of a PSA 9 Arceus & Dialga & Palkia GX - Secret?: $111 as of 2026-09-27, our model-derived fair value for a PSA 9 Arceus & Dialga & Palkia GX - Secret based on recent graded sales.
How rare is a PSA 9 Arceus & Dialga & Palkia GX - Secret?: 647 copies have been graded at PSA 9, the graded population behind this atom.

PSA 8 commentary

The TCGBerg fair value of a PSA 8 Arceus & Dialga & Palkia GX - Secret is $86 as of 2026-09-27. 222 copies have been graded at this level. This valuation rests on moderate sales evidence. The most recent recorded sale was $72 on 2026-07-31.

PSA 8 - frequently asked

What is the TCGBerg fair value of a PSA 8 Arceus & Dialga & Palkia GX - Secret?

$86 as of 2026-09-27, our model-derived fair value for a PSA 8 Arceus & Dialga & Palkia GX - Secret based on recent graded sales.

How rare is a PSA 8 Arceus & Dialga & Palkia GX - Secret?

222 copies have been graded at PSA 8, the graded population behind this atom.

Frequently asked

What is the TCGBerg fair value of a PSA 8 Arceus & Dialga & Palkia GX - Secret?: $86 as of 2026-09-27, our model-derived fair value for a PSA 8 Arceus & Dialga & Palkia GX - Secret based on recent graded sales.
How rare is a PSA 8 Arceus & Dialga & Palkia GX - Secret?: 222 copies have been graded at PSA 8, the graded population behind this atom.

PSA 7 commentary

The TCGBerg fair value of a PSA 7 Arceus & Dialga & Palkia GX - Secret is $51 as of 2026-09-27. 52 copies have been graded at this level. This valuation rests on strong sales evidence. The most recent recorded sale was $50 on 2026-09-16.

PSA 7 - frequently asked

What is the TCGBerg fair value of a PSA 7 Arceus & Dialga & Palkia GX - Secret?

$51 as of 2026-09-27, our model-derived fair value for a PSA 7 Arceus & Dialga & Palkia GX - Secret based on recent graded sales.

How rare is a PSA 7 Arceus & Dialga & Palkia GX - Secret?

52 copies have been graded at PSA 7, the graded population behind this atom.

Frequently asked

What is the TCGBerg fair value of a PSA 7 Arceus & Dialga & Palkia GX - Secret?: $51 as of 2026-09-27, our model-derived fair value for a PSA 7 Arceus & Dialga & Palkia GX - Secret based on recent graded sales.
How rare is a PSA 7 Arceus & Dialga & Palkia GX - Secret?: 52 copies have been graded at PSA 7, the graded population behind this atom.

PSA 6 commentary

The TCGBerg fair value of a PSA 6 Arceus & Dialga & Palkia GX - Secret is $46 as of 2026-09-27. 39 copies have been graded at this level. This valuation rests on sparse sales evidence. The most recent recorded sale was $55 on 2026-08-24.

PSA 6 - frequently asked

What is the TCGBerg fair value of a PSA 6 Arceus & Dialga & Palkia GX - Secret?

$46 as of 2026-09-27, our model-derived fair value for a PSA 6 Arceus & Dialga & Palkia GX - Secret based on recent graded sales.

How rare is a PSA 6 Arceus & Dialga & Palkia GX - Secret?

39 copies have been graded at PSA 6, the graded population behind this atom.

Frequently asked

What is the TCGBerg fair value of a PSA 6 Arceus & Dialga & Palkia GX - Secret?: $46 as of 2026-09-27, our model-derived fair value for a PSA 6 Arceus & Dialga & Palkia GX - Secret based on recent graded sales.
How rare is a PSA 6 Arceus & Dialga & Palkia GX - Secret?: 39 copies have been graded at PSA 6, the graded population behind this atom.

Every printing of Arceus & Dialga & Palkia GX and the indices that include this card in their constituent basket.

Indices containing this card

Parent set

Sun & Moon - Cosmic Eclipse

Set total cap

$61.40M

Date

Grade

Price

Source

vs TCGBerg FV

Sep 19, 2026

PSA9

$105

ebay

4.6%

Sep 17, 2026

PSA10

$465

ebay

12.7%

Sep 16, 2026

PSA7

$50

ebay

2.0%

Sep 16, 2026

PSA9

$110

ebay

0.0%

Sep 15, 2026

PSA9

$150

ebay

36.3%

Sep 15, 2026

PSA9

$130

ebay

18.1%

Sep 13, 2026

PSA9

$76

ebay

26.6%

Sep 10, 2026

PSA10

$515

ebay

3.6%

Sep 9, 2026

PSA10

$560

ebay

4.9%

Sep 8, 2026

PSA10

$500

fanatics_collect

6.4%

PSA10

$530

781

$413.9K

0.4%

0.5%

Very strong

$4652w ago

PSA9

$111

647

$71.7K

0.1%

0.6%

Very strong

$1051w ago

PSA8

$86

222

$19.0K

0.2%

0.5%

Moderate

$722mo ago

PSA7

$51

$2.7K

0.0%

Strong

$502w ago

PSA6

$46

$1.8K

0.0%

0.9%

Sparse

$551mo ago

Raw

$112

1.3%

11.6%

Very strong

$1033w ago

Arceus & Dialga & Palkia GX #258, Secret, Sun & Moon - Cosmic Eclipse

Behind the scenesHow the published fair value for this grade was produced: the estimates that fed it, their share of the starting mix, and every recorded change afterwards. It describes one saved calculation, not a live recomputation.

Recent sales10 tracked

All grades matrix

Population & rarityHow Arceus & Dialga & Palkia GX's graded copies are spread across grades. Each bar is the number of copies graded at that grade; the percentage is that grade's share of the total graded population. Fewer copies at a grade = scarcer = a scarcity premium.

Relative valuation vs. indexBoth series are indexed to 100 at Sep 13, 2026, the index’s inception date, not the start of the selected range. A divergence means the card has outperformed or underperformed the index since then, by exactly the percentage-point gap.

About Sun & Moon - Cosmic EclipseParent set

Analysis

PSA 10 commentary

PSA 10 - frequently asked

PSA 9 commentary

PSA 9 - frequently asked

PSA 8 commentary

PSA 8 - frequently asked

PSA 7 commentary

PSA 7 - frequently asked

PSA 6 commentary

PSA 6 - frequently asked

Related

Indices containing this card

Parent set

Behind the scenesHow the published fair value for this grade was produced: the estimates that fed it, their share of the starting mix, and every recorded change afterwards. It describes one saved calculation, not a live recomputation.

Recent sales10 tracked

All grades matrix

Population & rarityHow Arceus & Dialga & Palkia GX's graded copies are spread across grades. Each bar is the number of copies graded at that grade; the percentage is that grade's share of the total graded population. Fewer copies at a grade = scarcer = a scarcity premium.

Relative valuation vs. indexBoth series are indexed to 100 at Sep 13, 2026, the index’s inception date, not the start of the selected range. A divergence means the card has outperformed or underperformed the index since then, by exactly the percentage-point gap.

About Sun & Moon - Cosmic EclipseParent set

Analysis

PSA 10 commentary

PSA 10 - frequently asked

PSA 9 commentary

PSA 9 - frequently asked

PSA 8 commentary

PSA 8 - frequently asked

PSA 7 commentary

PSA 7 - frequently asked

PSA 6 commentary

PSA 6 - frequently asked

Related

Indices containing this card

Parent set

Behind the scenes

Population & rarity

Relative valuation vs. index

Behind the scenes

Population & rarity

Relative valuation vs. index