Sun & Moon - Ultra Prism · Secret

Pheromosa GX #158, Secret, Sun & Moon - Ultra Prism

Card number: #158/156
Rarity: Secret Rare
Finish: Holo

Sun & Moon - Ultra Prism SecretUPR158:EN

TKRUPR158:EN-P10

Grading toolPro

TCGBerg fair value· PSA 10

$219

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

Sales evidenceLimited

Based on 3 recorded sales. Latest sale: May 18, 2026.

30D performance

30D: -
YTD: -
Market cap: $34.6K
Volatility: 1.6%

Last sale (May 18, 2026)Last sale

$186

PSA 10 · May 18, 2026

15.0% below TCGBerg fair value

5-sale avg

$173

last 5 sales

Population · PSA 10

158

graded copies

TCGBerg fair value · PSA 10

$219

Sales evidenceLimited

Based on 3 recorded sales. Latest sale: May 18, 2026.

Market cap

$34.6K

fair value x population

Population

158

graded copies

Last sale

$186

-15.0% vs fair

5-sale avg

$173

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 points · 2 salesSep 28, 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 22, 2026	Raw	$23	tcgplayer	6.2%
Sep 16, 2026	Raw	$22	tcgplayer	2.9%
Sep 5, 2026	Raw	$21	tcgplayer	5.1%
Aug 28, 2026	Raw	$20	tcgplayer	6.7%
Aug 20, 2026	Raw	$21	tcgplayer	1.1%
Aug 17, 2026	Raw	$22	tcgplayer	5.2%
Aug 13, 2026	Raw	$22	tcgplayer	6.2%
Aug 12, 2026	Raw	$25	tcgplayer	23.2%
Aug 2, 2026	Raw	$19	tcgplayer	7.0%
Jun 3, 2026	Raw	$25	tcgplayer	22.4%

$23
Sep 22, 2026 · via tcgplayer
Rawversus fair value, up 6.2%
$22
Sep 16, 2026 · via tcgplayer
Rawversus fair value, up 2.9%
$21
Sep 5, 2026 · via tcgplayer
Rawversus fair value, down 5.1%
$20
Aug 28, 2026 · via tcgplayer
Rawversus fair value, down 6.7%
$21
Aug 20, 2026 · via tcgplayer
Rawversus fair value, up 1.1%
$22
Aug 17, 2026 · via tcgplayer
Rawversus fair value, up 5.2%
$22
Aug 13, 2026 · via tcgplayer
Rawversus fair value, up 6.2%
$25
Aug 12, 2026 · via tcgplayer
Rawversus fair value, up 23.2%
$19
Aug 2, 2026 · via tcgplayer
Rawversus fair value, down 7.0%
$25
Jun 3, 2026 · via tcgplayer
Rawversus fair value, up 22.4%

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$219
1d 0.0%7d 5.2%30d -
Pop
158
Mcap
$34.6K
Evidence
Limited
Last
$186
PSA9$68
1d 0.1%7d 10.9%30d -
Pop
91
Mcap
$6.2K
Evidence
Sparse
Last
-
PSA8$41
1d 0.1%7d 1.8%30d -
Pop
38
Mcap
$1.5K
Evidence
Sparse
Last
-


PSA10	$219	158	$34.6K	0.0%	5.2%	-	-	-	Limited	$1864mo ago
PSA9	$68	91	$6.2K	0.1%	10.9%	-	-	-	Sparse	-
PSA8	$41	38	$1.5K	0.1%	1.8%	-	-	-	Sparse	-
PSA7	$24	7	$169	0.4%	13.0%	-	-	-	Sparse	-
PSA6	$14	2	$29	0.6%	23.0%	-	-	-	Sparse	-
Raw	$22	-	-	-	2.4%	0.4%	-	-	Very strong	$236d 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 $1.39 up to gem-mint at $219. Log scale. Tap a row to switch the whole page.

Raw LP$28Ungraded · TCGBerg fair value
Raw NM$22Ungraded · TCGBerg fair value
Raw MP$17Ungraded · TCGBerg fair value
Raw Damaged$15Ungraded · market price
Raw HP$1.39Ungraded · market price

hatched = market price, not a TCGBerg fair value

Population & rarity

296 graded copies of Pheromosa GX Secret across 5 grades. The selected grade is highlighted.

PSA 10

158 · 53%

PSA 9

91 · 31%

PSA 8

38 · 13%

PSA 7

7 · 2.4%

PSA 6

2 · 0.7%

PSA 10 makes up 53% of graded copies: 158 of 296. It’s the most common grade for this card.

About Sun & Moon - Ultra PrismParent 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

$6.05M

across all printings

This printing's share

0.7%

of total set cap

Implied printing cap

$42.5K

share × set cap

Browse all sets →

Pheromosa GX - Secret at PSA 10 carries a TCGBerg fair value of $219 as of 2026-09-28. We track a TCGBerg fair value across 5 grades from Sun & Moon - Ultra Prism, from PSA 6 up to PSA 10. A graded population of 158 copies sits behind the PSA 10 grade. The PSA 10 valuation rests on limited sales evidence.

Show more analysisAnalysis, commentary & FAQ

PSA 10 commentary

The TCGBerg fair value of a PSA 10 Pheromosa GX - Secret is $219 as of 2026-09-28. 158 copies have been graded at this level. This valuation rests on limited sales evidence. The most recent recorded sale was $186 on 2026-05-18.

PSA 10 - frequently asked

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

$219 as of 2026-09-28, our model-derived fair value for a PSA 10 Pheromosa GX - Secret based on recent graded sales.

How rare is a PSA 10 Pheromosa GX - Secret?

158 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 Pheromosa GX - Secret?: $219 as of 2026-09-28, our model-derived fair value for a PSA 10 Pheromosa GX - Secret based on recent graded sales.
How rare is a PSA 10 Pheromosa GX - Secret?: 158 copies have been graded at PSA 10, the graded population behind this atom.

PSA 9 commentary

The TCGBerg fair value of a PSA 9 Pheromosa GX - Secret is $68 as of 2026-09-28. 91 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 Pheromosa GX - Secret?

$68 as of 2026-09-28, our model-derived fair value for a PSA 9 Pheromosa GX - Secret based on recent graded sales.

How rare is a PSA 9 Pheromosa GX - Secret?

91 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 Pheromosa GX - Secret?: $68 as of 2026-09-28, our model-derived fair value for a PSA 9 Pheromosa GX - Secret based on recent graded sales.
How rare is a PSA 9 Pheromosa GX - Secret?: 91 copies have been graded at PSA 9, the graded population behind this atom.

PSA 8 commentary

The TCGBerg fair value of a PSA 8 Pheromosa GX - Secret is $41 as of 2026-09-28. 38 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 Pheromosa GX - Secret?

$41 as of 2026-09-28, our model-derived fair value for a PSA 8 Pheromosa GX - Secret based on recent graded sales.

How rare is a PSA 8 Pheromosa GX - Secret?

38 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 Pheromosa GX - Secret?: $41 as of 2026-09-28, our model-derived fair value for a PSA 8 Pheromosa GX - Secret based on recent graded sales.
How rare is a PSA 8 Pheromosa GX - Secret?: 38 copies have been graded at PSA 8, the graded population behind this atom.

PSA 7 commentary

The TCGBerg fair value of a PSA 7 Pheromosa GX - Secret is $24 as of 2026-09-28. 7 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 Pheromosa GX - Secret?

$24 as of 2026-09-28, our model-derived fair value for a PSA 7 Pheromosa GX - Secret based on recent graded sales.

How rare is a PSA 7 Pheromosa GX - Secret?

7 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 Pheromosa GX - Secret?: $24 as of 2026-09-28, our model-derived fair value for a PSA 7 Pheromosa GX - Secret based on recent graded sales.
How rare is a PSA 7 Pheromosa GX - Secret?: 7 copies have been graded at PSA 7, the graded population behind this atom.

PSA 6 commentary

The TCGBerg fair value of a PSA 6 Pheromosa GX - Secret is $14 as of 2026-09-28. 2 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 Pheromosa GX - Secret?

$14 as of 2026-09-28, our model-derived fair value for a PSA 6 Pheromosa GX - Secret based on recent graded sales.

How rare is a PSA 6 Pheromosa GX - Secret?

2 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 Pheromosa GX - Secret?: $14 as of 2026-09-28, our model-derived fair value for a PSA 6 Pheromosa GX - Secret based on recent graded sales.
How rare is a PSA 6 Pheromosa GX - Secret?: 2 copies have been graded at PSA 6, the graded population behind this atom.

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

Indices containing this card

No indices tracked yet.

Parent set

Sun & Moon - Ultra Prism

Set total cap

$5.78M

Date

Grade

Price

Source

vs TCGBerg FV

Sep 22, 2026

Raw

$23

tcgplayer

6.2%

Sep 16, 2026

Raw

$22

tcgplayer

2.9%

Sep 5, 2026

Raw

$21

tcgplayer

5.1%

Aug 28, 2026

Raw

$20

tcgplayer

6.7%

Aug 20, 2026

Raw

$21

tcgplayer

1.1%

Aug 17, 2026

Raw

$22

tcgplayer

5.2%

Aug 13, 2026

Raw

$22

tcgplayer

6.2%

Aug 12, 2026

Raw

$25

tcgplayer

23.2%

Aug 2, 2026

Raw

$19

tcgplayer

7.0%

Jun 3, 2026

Raw

$25

tcgplayer

22.4%

PSA10

$219

158

$34.6K

0.0%

5.2%

Limited

$1864mo ago

PSA9

$68

$6.2K

0.1%

10.9%

Sparse

PSA8

$41

$1.5K

0.1%

1.8%

Sparse

PSA7

$24

$169

0.4%

13.0%

Sparse

PSA6

$14

$29

0.6%

23.0%

Sparse

Raw

$22

2.4%

0.4%

Very strong

$236d ago

Pheromosa GX #158, Secret, Sun & Moon - Ultra Prism

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 Pheromosa 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 - Ultra PrismParent 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 Pheromosa 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 - Ultra PrismParent 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