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Solgaleo GX #173, Secret, Sun & Moon - Ultra Prism

  • Card number: #173/156
  • Rarity: Secret Rare
  • Finish: Holo

A PSA 10 Solgaleo GX #173 Secret from Sun & Moon - Ultra Prism has a TCGBerg fair value of $509 as of Nov 15, 2026. TCGBerg has recorded 19 PSA 10 sales of this card, the latest on Oct 27, 2026. PSA has graded 318 copies at PSA 10.

TCGBerg fair valuePSA 10
As of Nov 15, 2026
$509up 2.0%30-day change

TCGBerg Algorithm (estimated from recorded sales).

Fair value3 months
Last sale$479Oct 27, 20265.9% below fair
5-sale avg$507Oct 7Oct 27
Population · PSA 10
318
Market cap
$161.8K
Volatility
1.2%
YTD
↑ 134.0%
Sales evidence
Strong

TCGBerg fair value · PSA 10

$509

30D2.0%YTD134.0%
Sales evidenceStrong
Market cap
$161.8K
fair value x population
Population
318
graded copies
Last sale
$479
-5.9% vs fair
5-sale avg
$507
recent sales
Grading

Price history

Open terminalPro

Weekly fair value for PSA 10.

What the evidence says

The last PSA 10 sale, $479 on Oct 27, 2026, sits 5.9% below the $509 fair value. The value weighs 19 PSA 10 sales from the past year, not the latest one alone. The latest sale ran below the recent run: the last 5 PSA 10 sales averaged $507, within 0.4% of the value. Its confidence band runs from $487 to $531. A PSA 10 ($509) is worth 6.0 times a PSA 9 ($85). Over the past 30 days the PSA 10 value has risen 2.0%.

TCGBerg fair value by grade

Value at each grade and ungraded condition. Log scale. Tap a row to switch the whole page.

  • Raw NM$71Ungraded · TCGBerg fair value
  • Raw LP$56Ungraded · TCGBerg fair value
  • Raw HP$36Ungraded · market price
  • Raw MP$35Ungraded · market price
  • Raw Damaged$24Ungraded · TCGBerg fair value
hatched = market price, not a TCGBerg fair value

Behind the scenes

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

Recent sales

20 tracked

Each sale against the grade's fair value on the day it sold.

  • $90
    Nov 12, 2026 · via Fanatics Collect
    PSA9above fair value by 6.5%
  • $73
    Nov 11, 2026 · via tcgplayer
    Rawabove fair value by 2.9%
  • $479
    Oct 27, 2026 · via eBay
    PSA10below fair value by 6.1%
  • $77
    Oct 26, 2026 · via tcgplayer
    Rawabove fair value by 16.6%
  • $73
    Oct 21, 2026 · via tcgplayer
    Rawabove fair value by 11.1%

15 more sales with Pro

Up to 20 recent sales, each with its venue and its gap to fair value.

Includes a sale 39.9% below fair value

All grades matrix

Every grade we track for this printing.

  • CGC7-
    1d -7d -30d -
    Pop
    -
    Mcap
    -
    Evidence
    Sparse
    Last
    -
  • CGC6-
    1d -7d -30d -
    Pop
    -
    Mcap
    -
    Evidence
    Sparse
    Last
    -
  • BGS9.5$202
    1d -7d -30d -
    Pop
    -
    Mcap
    -
    Evidence
    Sparse
    Last
    $204
Listings
CGC7------Sparse-
CGC6------Sparse-
BGS9.5$202-----Sparse$2044mo ago
PSA10$509318$161.8Kup 2.1%up 2.0%up 58.4%Strong$4793w ago
PSA9$85372$31.4Kup 1.9%up 1.3%down 22.5%Limited$903d ago
PSA8$65163$10.5Kup 15.4%up 23.1%down 9.6%Limited$361mo ago
PSA7$2816$4490.0%down 8.3%down 54.8%Sparse-
PSA6$287$1950.0%down 9.1%down 44.7%Sparse-
PSA5$226-0.0%down 18.0%down 43.6%Sparse-
Raw$71--up 7.9%up 7.7%-Very strong$734d ago

Graded population report

886 graded copies of Solgaleo GX Secret across 9 grades.

PSA 10
318 · 36%
PSA 9
372 · 42%
PSA 8
163 · 18%
PSA 7
16 · 1.8%
PSA 6
7 · 0.8%
PSA 8.5
1 · 0.1%
PSA 5
6 · 0.7%
PSA 4
1 · 0.1%
PSA 3
2 · 0.2%

PSA 10 makes up 36% of graded copies: 318 of 886. PSA 9 is the most common grade (42%).

Analysis

Solgaleo GX - Secret at PSA 10 carries a TCGBerg fair value of $509 as of 2026-11-14. We track a TCGBerg fair value across 7 grades from Sun & Moon - Ultra Prism, from PSA 5 up to PSA 10. A graded population of 318 copies sits behind the PSA 10 grade. The PSA 10 valuation rests on strong sales evidence. Over the past 30 days, the PSA 10 TCGBerg fair value has risen 2.0%.

PSA 10 - frequently asked

How much is a PSA 10 Solgaleo GX - Secret from Sun & Moon - Ultra Prism worth?
$509 as of 2026-11-14, the model-derived TCGBerg fair value for a PSA 10 Solgaleo GX - Secret from Sun & Moon - Ultra Prism. It rests on strong sales evidence. This estimate is not a guaranteed sale price.
What is the graded population of a PSA 10 Solgaleo GX - Secret from Sun & Moon - Ultra Prism?
318 copies have been graded at PSA 10, the recorded graded population, not the number of copies printed.
How has the PSA 10 Solgaleo GX - Secret from Sun & Moon - Ultra Prism price moved recently?
Its TCGBerg fair value has risen 2.0% over the past 30 days.
What did a PSA 10 Solgaleo GX - Secret from Sun & Moon - Ultra Prism last sell for?
The most recent recorded sale was $479 on 2026-10-27. This recorded sale is separate from the model-derived fair value.