Sun & Moon - Cosmic Eclipse · Secret

Alolan Persian GX #257, Secret, Sun & Moon - Cosmic Eclipse

Card number: #257/236
Rarity: Secret Rare
Finish: Holo

Sun & Moon - Cosmic Eclipse SecretCEC257:EN

TKRCEC257:EN-P10

Grading toolPro

TCGBerg fair value· PSA 10

$58

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

Sales evidenceSparse

30D performance

30D: -
YTD: -
Market cap: $8.4K
Volatility: 1.9%

Last sale

no recent sales

5-sale avg

last 5 sales

Population · PSA 10

145

graded copies

TCGBerg fair value · PSA 10

$58

Sales evidenceSparse

Market cap

$8.4K

fair value x population

Population

145

graded copies

Last sale

no recorded sale

5-sale avg

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 10

Sep 20, 20263 weekly pointsSep 30, 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 23, 2026	Raw	$14	tcgplayer	0.5%
Sep 23, 2026	Raw	$14	tcgplayer	0.5%
Sep 5, 2026	Raw	$14	tcgplayer	4.0%
Sep 1, 2026	Raw	$13	tcgplayer	1.2%
Sep 1, 2026	Raw	$13	tcgplayer	3.5%
Aug 26, 2026	Raw	$14	tcgplayer	2.2%
Aug 19, 2026	Raw	$14	tcgplayer	11.5%
Aug 10, 2026	Raw	$12	tcgplayer	9.5%
Aug 10, 2026	Raw	$13	tcgplayer	1.8%
Aug 2, 2026	Raw	$14	tcgplayer	12.5%

$14
Sep 23, 2026 · via tcgplayer
Rawversus fair value, up 0.5%
$14
Sep 23, 2026 · via tcgplayer
Rawversus fair value, up 0.5%
$14
Sep 5, 2026 · via tcgplayer
Rawversus fair value, up 4.0%
$13
Sep 1, 2026 · via tcgplayer
Rawversus fair value, down 1.2%
$13
Sep 1, 2026 · via tcgplayer
Rawversus fair value, down 3.5%
$14
Aug 26, 2026 · via tcgplayer
Rawversus fair value, up 2.2%
$14
Aug 19, 2026 · via tcgplayer
Rawversus fair value, up 11.5%
$12
Aug 10, 2026 · via tcgplayer
Rawversus fair value, down 9.5%
$13
Aug 10, 2026 · via tcgplayer
Rawversus fair value, down 1.8%
$14
Aug 2, 2026 · via tcgplayer
Rawversus fair value, up 12.5%

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$58
1d 1.4%7d 0.7%30d -
Pop
145
Mcap
$8.4K
Evidence
Sparse
Last
-
PSA9$19
1d 2.2%7d 1.7%30d -
Pop
96
Mcap
$1.9K
Evidence
Sparse
Last
-
PSA8$18
1d 0.1%7d 0.0%30d -
Pop
25
Mcap
$438
Evidence
Sparse
Last
-


PSA10	$58	145	$8.4K	1.4%	0.7%	-	-	-	Sparse	-
PSA9	$19	96	$1.9K	2.2%	1.7%	-	-	-	Sparse	-
PSA8	$18	25	$438	0.1%	0.0%	-	-	-	Sparse	-
PSA7	$17	5	$83	0.1%	1.9%	-	-	-	Sparse	-
PSA6	$15	5	$77	0.3%	4.7%	-	-	-	Sparse	-
Raw	$14	-	-	-	0.9%	0.5%	-	-	Very strong	$141w ago

TCGBerg fair value by grade

Value at each grade and ungraded condition, on a log scale that spans the full range from raw (Heavily Played) at $5.20 up to gem-mint at $58. Log scale. Tap a row to switch the whole page.

Raw NM$14Ungraded · TCGBerg fair value
Raw LP$12Ungraded · TCGBerg fair value
Raw MP$8.86Ungraded · market price
Raw Damaged$6.44Ungraded · market price
Raw HP$5.20Ungraded · market price

hatched = market price, not a TCGBerg fair value

Population & rarity

276 graded copies of Alolan Persian GX Secret across 5 grades. The selected grade is highlighted.

PSA 10

145 · 53%

PSA 9

96 · 35%

PSA 8

25 · 9.1%

PSA 7

5 · 1.8%

PSA 6

5 · 1.8%

PSA 10 makes up 53% of graded copies: 145 of 276. It’s the most common grade for this card.

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

$62.03M

across all printings

This printing's share

0.0%

of total set cap

Implied printing cap

$10.9K

share × set cap

Browse all sets →

Alolan Persian GX - Secret at PSA 10 carries a TCGBerg fair value of $58 as of 2026-09-29. 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 145 copies sits behind the PSA 10 grade. The PSA 10 valuation rests on sparse sales evidence.

Show more analysisAnalysis, commentary & FAQ

PSA 10 commentary

The TCGBerg fair value of a PSA 10 Alolan Persian GX - Secret is $58 as of 2026-09-29. 145 copies have been graded at this level. This valuation rests on sparse sales evidence.

PSA 10 - frequently asked

What is the TCGBerg fair value of a PSA 10 Alolan Persian GX - Secret?

$58 as of 2026-09-29, our model-derived fair value for a PSA 10 Alolan Persian GX - Secret based on recent graded sales.

How rare is a PSA 10 Alolan Persian GX - Secret?

145 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 Alolan Persian GX - Secret?: $58 as of 2026-09-29, our model-derived fair value for a PSA 10 Alolan Persian GX - Secret based on recent graded sales.
How rare is a PSA 10 Alolan Persian GX - Secret?: 145 copies have been graded at PSA 10, the graded population behind this atom.

PSA 9 commentary

The TCGBerg fair value of a PSA 9 Alolan Persian GX - Secret is $19 as of 2026-09-29. 96 copies have been graded at this level. This valuation rests on sparse sales evidence.

PSA 9 - frequently asked

What is the TCGBerg fair value of a PSA 9 Alolan Persian GX - Secret?

$19 as of 2026-09-29, our model-derived fair value for a PSA 9 Alolan Persian GX - Secret based on recent graded sales.

How rare is a PSA 9 Alolan Persian GX - Secret?

96 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 Alolan Persian GX - Secret?: $19 as of 2026-09-29, our model-derived fair value for a PSA 9 Alolan Persian GX - Secret based on recent graded sales.
How rare is a PSA 9 Alolan Persian GX - Secret?: 96 copies have been graded at PSA 9, the graded population behind this atom.

PSA 8 commentary

The TCGBerg fair value of a PSA 8 Alolan Persian GX - Secret is $18 as of 2026-09-29. 25 copies have been graded at this level. This valuation rests on sparse sales evidence.

PSA 8 - frequently asked

What is the TCGBerg fair value of a PSA 8 Alolan Persian GX - Secret?

$18 as of 2026-09-29, our model-derived fair value for a PSA 8 Alolan Persian GX - Secret based on recent graded sales.

How rare is a PSA 8 Alolan Persian GX - Secret?

25 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 Alolan Persian GX - Secret?: $18 as of 2026-09-29, our model-derived fair value for a PSA 8 Alolan Persian GX - Secret based on recent graded sales.
How rare is a PSA 8 Alolan Persian GX - Secret?: 25 copies have been graded at PSA 8, the graded population behind this atom.

PSA 7 commentary

The TCGBerg fair value of a PSA 7 Alolan Persian GX - Secret is $17 as of 2026-09-29. 5 copies have been graded at this level. This valuation rests on sparse sales evidence.

PSA 7 - frequently asked

What is the TCGBerg fair value of a PSA 7 Alolan Persian GX - Secret?

$17 as of 2026-09-29, our model-derived fair value for a PSA 7 Alolan Persian GX - Secret based on recent graded sales.

How rare is a PSA 7 Alolan Persian GX - Secret?

5 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 Alolan Persian GX - Secret?: $17 as of 2026-09-29, our model-derived fair value for a PSA 7 Alolan Persian GX - Secret based on recent graded sales.
How rare is a PSA 7 Alolan Persian GX - Secret?: 5 copies have been graded at PSA 7, the graded population behind this atom.

PSA 6 commentary

The TCGBerg fair value of a PSA 6 Alolan Persian GX - Secret is $15 as of 2026-09-29. 5 copies have been graded at this level. This valuation rests on sparse sales evidence.

PSA 6 - frequently asked

What is the TCGBerg fair value of a PSA 6 Alolan Persian GX - Secret?

$15 as of 2026-09-29, our model-derived fair value for a PSA 6 Alolan Persian GX - Secret based on recent graded sales.

How rare is a PSA 6 Alolan Persian GX - Secret?

5 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 Alolan Persian GX - Secret?: $15 as of 2026-09-29, our model-derived fair value for a PSA 6 Alolan Persian GX - Secret based on recent graded sales.
How rare is a PSA 6 Alolan Persian GX - Secret?: 5 copies have been graded at PSA 6, the graded population behind this atom.

Every printing of Alolan Persian GX and the indices that include this card in their constituent basket.

Indices containing this card

No indices tracked yet.

Parent set

Sun & Moon - Cosmic Eclipse

Set total cap

$61.35M

Date

Grade

Price

Source

vs TCGBerg FV

Sep 23, 2026

Raw

$14

tcgplayer

0.5%

Sep 23, 2026

Raw

$14

tcgplayer

0.5%

Sep 5, 2026

Raw

$14

tcgplayer

4.0%

Sep 1, 2026

Raw

$13

tcgplayer

1.2%

Sep 1, 2026

Raw

$13

tcgplayer

3.5%

Aug 26, 2026

Raw

$14

tcgplayer

2.2%

Aug 19, 2026

Raw

$14

tcgplayer

11.5%

Aug 10, 2026

Raw

$12

tcgplayer

9.5%

Aug 10, 2026

Raw

$13

tcgplayer

1.8%

Aug 2, 2026

Raw

$14

tcgplayer

12.5%

PSA10

$58

145

$8.4K

1.4%

0.7%

Sparse

PSA9

$19

$1.9K

2.2%

1.7%

Sparse

PSA8

$18

$438

0.1%

0.0%

Sparse

PSA7

$17

$83

0.1%

1.9%

Sparse

PSA6

$15

$77

0.3%

4.7%

Sparse

Raw

$14

0.9%

0.5%

Very strong

$141w ago

Alolan Persian GX #257, 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 Alolan Persian 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.

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 Alolan Persian 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.

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

Behind the scenes

Population & rarity