Sun & Moon · Secret

Umbreon GX #154, Secret, Sun & Moon

Card number: #154/149
Rarity: Secret Rare
Finish: Holo

Sun & Moon SecretSUM154:EN

TKRSUM154:EN-P10

Grading toolPro

TCGBerg fair value· PSA 10

$926

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

Sales evidenceVery strong

30D performance3.1%

30D: ↑ 3.1%
YTD: ↑ 56.5%
Market cap: $1.00M
Volatility: 0.9%

Last sale (Sep 26, 2026)Last sale

$1,061

PSA 10 · Sep 26, 2026

14.5% above TCGBerg fair value

5-sale avg

$926

last 5 sales

Population · PSA 10

1,083

graded copies

TCGBerg fair value · PSA 10

$926

30D3.1%YTD56.5%

Sales evidenceVery strong

Market cap

$1.00M

fair value x population

Population

1,083

graded copies

Last sale

$1,061

+14.5% vs fair

5-sale avg

$926

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

Oct 12, 202552 weekly points · 103 salesSep 29, 2026

Active listings on eBay

PSA 10 · eBay

Affiliate links: TCGBerg may earn a commission on purchases made through these listings.

PSA10
$2,500
170% above fair
FV $926
Umbreon GX 2017 SM Base Set Secret Rare Full Art Holo 154/149 PSA 10
43 ratings100% positive
View on eBay
$2,500170% above fair
Umbreon GX 2017 SM Base Set Secret Rare Full Art Holo 154/149 PSA 10
43 ratings
View

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 27, 2026	PSA9	$160	ebay	6.3%
Sep 26, 2026	PSA10	$1,061	ebay	14.8%
Sep 20, 2026	PSA9	$130	ebay	12.2%
Sep 20, 2026	PSA9	$129	ebay	13.2%
Sep 20, 2026	PSA10	$892	ebay	0.9%
Sep 18, 2026	PSA8	$150	ebay	33.1%
Sep 14, 2026	PSA10	$900	fanatics_collect	0.1%
Sep 14, 2026	PSA10	$865	ebay	4.0%
Sep 13, 2026	PSA9	$200	ebay	29.0%
Sep 13, 2026	PSA10	$910	ebay	0.2%

$160
Sep 27, 2026 · via ebay
PSA9versus fair value, up 6.3%
$1,061
Sep 26, 2026 · via ebay
PSA10versus fair value, up 14.8%
$130
Sep 20, 2026 · via ebay
PSA9versus fair value, down 12.2%
$129
Sep 20, 2026 · via ebay
PSA9versus fair value, down 13.2%
$892
Sep 20, 2026 · via ebay
PSA10versus fair value, down 0.9%
$150
Sep 18, 2026 · via ebay
PSA8versus fair value, up 33.1%
$900
Sep 14, 2026 · via fanatics_collect
PSA10versus fair value, down 0.1%
$865
Sep 14, 2026 · via ebay
PSA10versus fair value, down 4.0%
$200
Sep 13, 2026 · via ebay
PSA9versus fair value, up 29.0%
$910
Sep 13, 2026 · via ebay
PSA10versus fair value, up 0.2%

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$926
1d 0.3%7d 2.9%30d 3.1%
Pop
1,083
Mcap
$1.00M
Evidence
Very strong
Last
$1,061
PSA9$151
1d 0.0%7d 1.7%30d 3.7%
Pop
1,854
Mcap
$279.2K
Evidence
Very strong
Last
$160
PSA8$112
1d 0.8%7d 0.8%30d 9.5%
Pop
946
Mcap
$105.8K
Evidence
Very strong
Last
$150


PSA10	$926	1,083	$1.00M	0.3%	2.9%	3.1%	30.0%	34.6%	Very strong	$1,0613d ago
PSA9	$151	1,854	$279.2K	0.0%	1.7%	3.7%	6.0%	33.6%	Very strong	$1602d ago
PSA8	$112	946	$105.8K	0.8%	0.8%	9.5%	5.4%	50.6%	Very strong	$1502w ago
PSA7	$82	195	$16.0K	0.0%	1.6%	15.7%	29.9%	90.1%	Moderate	$853w ago
PSA6	$77	112	$8.6K	0.0%	0.0%	16.8%	32.6%	92.0%	Moderate	$772w ago
Raw	$135	-	-	0.0%	0.0%	0.5%	4.9%	-	-	-

Price spectrum

Where the current price sits relative to recent sales and active listings, and how each reference point compares to TCGBerg fair value. The bar spans $550 to $2.6K; it shades green below fair value to red above, saturating at ±25%.

TCGBerg fair value

$926

−25%

$695

$926

+25%

$1.2K

+185%

$2.6K

$550$926$2.6K

LowFairHigh

Last sale
$1.1K
14.5% above fairSep 26, 2026
Lowest / median / highest ask
$2.5K
169.9% above fairlowest active ask

Last sale was 14.5% above TCGBerg fair value, the best listing right now sits 169.9% above fair.

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 $926. Log scale. Tap a row to switch the whole page.

Raw NM$135Ungraded · market price
Raw LP$74Ungraded · market price
Raw MP$60Ungraded · market price
Raw HP$41Ungraded · market price
Raw Damaged$34Ungraded · market price

hatched = market price, not a TCGBerg fair value

Population & rarity

4,190 graded copies of Umbreon GX Secret across 5 grades. The selected grade is highlighted.

PSA 10

1,083 · 26%

PSA 9

1,854 · 44%

PSA 8

946 · 23%

PSA 7

195 · 4.7%

PSA 6

112 · 2.7%

PSA 10 makes up 26% of graded copies: 1,083 of 4,190. PSA 9 is the most common grade (44%).

Relative valuation vs. index

How PSA 10 has moved relative to Sun & Moon · Secret · Composite since Aug 2, 2026. Both indexed to 100 at the index’s inception. Card outperformed by 4.5 pp.

About Sun & MoonParent 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

$5.65M

across all printings

This printing's share

25.0%

of total set cap

Implied printing cap

$1.41M

share × set cap

Browse all sets →

Umbreon GX - Secret at PSA 10 carries a TCGBerg fair value of $926 as of 2026-09-29. We track a TCGBerg fair value across 5 grades from Sun & Moon, from PSA 6 up to PSA 10. A graded population of 1,083 copies sits behind the PSA 10 grade. The PSA 10 valuation rests on very strong sales evidence. Over the past 30 days, the PSA 6 TCGBerg fair value has risen 16.8%.

Show more analysisAnalysis, commentary & FAQ

PSA 10 commentary

The TCGBerg fair value of a PSA 10 Umbreon GX - Secret is $926 as of 2026-09-29. 1,083 copies have been graded at this level. This valuation rests on very strong sales evidence. Over the past 30 days the TCGBerg fair value has risen 3.1%. The most recent recorded sale was $1,061 on 2026-09-26.

PSA 10 - frequently asked

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

$926 as of 2026-09-29, our model-derived fair value for a PSA 10 Umbreon GX - Secret based on recent graded sales.

How rare is a PSA 10 Umbreon GX - Secret?

1,083 copies have been graded at PSA 10, the graded population behind this atom.

How has the PSA 10 Umbreon GX - Secret price moved recently?

Its TCGBerg fair value has risen 3.1% over the past 30 days.

Frequently asked

What is the TCGBerg fair value of a PSA 10 Umbreon GX - Secret?: $926 as of 2026-09-29, our model-derived fair value for a PSA 10 Umbreon GX - Secret based on recent graded sales.
How rare is a PSA 10 Umbreon GX - Secret?: 1,083 copies have been graded at PSA 10, the graded population behind this atom.
How has the PSA 10 Umbreon GX - Secret price moved recently?: Its TCGBerg fair value has risen 3.1% over the past 30 days.

PSA 9 commentary

The TCGBerg fair value of a PSA 9 Umbreon GX - Secret is $151 as of 2026-09-29. 1,854 copies have been graded at this level. This valuation rests on very strong sales evidence. Over the past 30 days the TCGBerg fair value has risen 3.7%. The most recent recorded sale was $160 on 2026-09-27.

PSA 9 - frequently asked

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

$151 as of 2026-09-29, our model-derived fair value for a PSA 9 Umbreon GX - Secret based on recent graded sales.

How rare is a PSA 9 Umbreon GX - Secret?

1,854 copies have been graded at PSA 9, the graded population behind this atom.

How has the PSA 9 Umbreon GX - Secret price moved recently?

Its TCGBerg fair value has risen 3.7% over the past 30 days.

Frequently asked

What is the TCGBerg fair value of a PSA 9 Umbreon GX - Secret?: $151 as of 2026-09-29, our model-derived fair value for a PSA 9 Umbreon GX - Secret based on recent graded sales.
How rare is a PSA 9 Umbreon GX - Secret?: 1,854 copies have been graded at PSA 9, the graded population behind this atom.
How has the PSA 9 Umbreon GX - Secret price moved recently?: Its TCGBerg fair value has risen 3.7% over the past 30 days.

PSA 8 commentary

The TCGBerg fair value of a PSA 8 Umbreon GX - Secret is $112 as of 2026-09-29. 946 copies have been graded at this level. This valuation rests on very strong sales evidence. Over the past 30 days the TCGBerg fair value has risen 9.5%. The most recent recorded sale was $150 on 2026-09-18.

PSA 8 - frequently asked

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

$112 as of 2026-09-29, our model-derived fair value for a PSA 8 Umbreon GX - Secret based on recent graded sales.

How rare is a PSA 8 Umbreon GX - Secret?

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

How has the PSA 8 Umbreon GX - Secret price moved recently?

Its TCGBerg fair value has risen 9.5% over the past 30 days.

Frequently asked

What is the TCGBerg fair value of a PSA 8 Umbreon GX - Secret?: $112 as of 2026-09-29, our model-derived fair value for a PSA 8 Umbreon GX - Secret based on recent graded sales.
How rare is a PSA 8 Umbreon GX - Secret?: 946 copies have been graded at PSA 8, the graded population behind this atom.
How has the PSA 8 Umbreon GX - Secret price moved recently?: Its TCGBerg fair value has risen 9.5% over the past 30 days.

PSA 7 commentary

The TCGBerg fair value of a PSA 7 Umbreon GX - Secret is $82 as of 2026-09-29. 195 copies have been graded at this level. This valuation rests on moderate sales evidence. Over the past 30 days the TCGBerg fair value has risen 15.7%. The most recent recorded sale was $85 on 2026-09-06.

PSA 7 - frequently asked

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

$82 as of 2026-09-29, our model-derived fair value for a PSA 7 Umbreon GX - Secret based on recent graded sales.

How rare is a PSA 7 Umbreon GX - Secret?

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

How has the PSA 7 Umbreon GX - Secret price moved recently?

Its TCGBerg fair value has risen 15.7% over the past 30 days.

Frequently asked

What is the TCGBerg fair value of a PSA 7 Umbreon GX - Secret?: $82 as of 2026-09-29, our model-derived fair value for a PSA 7 Umbreon GX - Secret based on recent graded sales.
How rare is a PSA 7 Umbreon GX - Secret?: 195 copies have been graded at PSA 7, the graded population behind this atom.
How has the PSA 7 Umbreon GX - Secret price moved recently?: Its TCGBerg fair value has risen 15.7% over the past 30 days.

PSA 6 commentary

The TCGBerg fair value of a PSA 6 Umbreon GX - Secret is $77 as of 2026-09-29. 112 copies have been graded at this level. This valuation rests on moderate sales evidence. Over the past 30 days the TCGBerg fair value has risen 16.8%. The most recent recorded sale was $77 on 2026-09-12.

PSA 6 - frequently asked

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

$77 as of 2026-09-29, our model-derived fair value for a PSA 6 Umbreon GX - Secret based on recent graded sales.

How rare is a PSA 6 Umbreon GX - Secret?

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

How has the PSA 6 Umbreon GX - Secret price moved recently?

Its TCGBerg fair value has risen 16.8% over the past 30 days.

Frequently asked

What is the TCGBerg fair value of a PSA 6 Umbreon GX - Secret?: $77 as of 2026-09-29, our model-derived fair value for a PSA 6 Umbreon GX - Secret based on recent graded sales.
How rare is a PSA 6 Umbreon GX - Secret?: 112 copies have been graded at PSA 6, the graded population behind this atom.
How has the PSA 6 Umbreon GX - Secret price moved recently?: Its TCGBerg fair value has risen 16.8% over the past 30 days.

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

Indices containing this card

Parent set

Sun & Moon

Set total cap

$5.53M

Date

Grade

Price

Source

vs TCGBerg FV

Sep 27, 2026

PSA9

$160

ebay

6.3%

Sep 26, 2026

PSA10

$1,061

ebay

14.8%

Sep 20, 2026

PSA9

$130

ebay

12.2%

Sep 20, 2026

PSA9

$129

ebay

13.2%

Sep 20, 2026

PSA10

$892

ebay

0.9%

Sep 18, 2026

PSA8

$150

ebay

33.1%

Sep 14, 2026

PSA10

$900

fanatics_collect

0.1%

Sep 14, 2026

PSA10

$865

ebay

4.0%

Sep 13, 2026

PSA9

$200

ebay

29.0%

Sep 13, 2026

PSA10

$910

ebay

0.2%

PSA10

$926

1,083

$1.00M

0.3%

2.9%

3.1%

Very strong

$1,0613d ago

PSA9

$151

1,854

$279.2K

0.0%

1.7%

3.7%

Very strong

$1602d ago

PSA8

$112

946

$105.8K

0.8%

9.5%

Very strong

$1502w ago

PSA7

$82

195

$16.0K

0.0%

1.6%

15.7%

Moderate

$853w ago

PSA6

$77

112

$8.6K

0.0%

16.8%

Moderate

$772w ago

Raw

$135

0.0%

0.5%

Umbreon GX #154, Secret, Sun & Moon

Active listings on eBayLive asking prices from eBay sellers. The delta shows how each ask compares to TCGBerg's quoted fair value for that grade. Verified deals are marked from the published analytics feed.

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

Price spectrum

Population & rarityHow Umbreon 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 Aug 2, 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 & MoonParent 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

Active listings on eBayLive asking prices from eBay sellers. The delta shows how each ask compares to TCGBerg's quoted fair value for that grade. Verified deals are marked from the published analytics feed.

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

Price spectrum

Population & rarityHow Umbreon 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 Aug 2, 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 & MoonParent 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

Active listings on eBay

Behind the scenes

Population & rarity

Relative valuation vs. index

Active listings on eBay

Behind the scenes

Population & rarity

Relative valuation vs. index