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Dialga GX #164, Secret, Sun & Moon - Ultra Prism

  • Card number: #164/156
  • Rarity: Secret Rare
  • Finish: Holo

A PSA 7 Dialga GX #164 Secret from Sun & Moon - Ultra Prism has a TCGBerg fair value of $44 as of Nov 15, 2026. It rests on 2 recorded sales, the latest on Oct 19, 2026. PSA has graded 34 copies at PSA 7. Sales evidence is sparse, so treat this value as a rough estimate.

TCGBerg fair valuePSA 7
As of Nov 15, 2026
$44down 17.3%30-day change

TCGBerg Algorithm (estimated from recorded sales).

2 sales · latest Oct 19, 2026

Fair value3 months
Last sale$35Oct 19, 202620.3% below fair
5-sale avg$36May 2Oct 19
Population · PSA 7
34
Market cap
$1.5K
Volatility
8.1%
YTD
↑ 21.6%
Sales evidence
Sparse

TCGBerg fair value · PSA 7

$44

30D17.3%YTD21.6%
Sales evidenceSparse

Based on 2 recorded sales. Latest sale: Oct 19, 2026.

Market cap
$1.5K
fair value x population
Population
34
graded copies
Last sale
$35
-20.3% vs fair
5-sale avg
$36
recent sales
Grading

Price history

Open terminalPro

Weekly fair value for PSA 7.

Open in TerminalCandles, every grade, full historyPro

What the evidence says

The last PSA 7 sale, $35 on Oct 19, 2026, sits 20.3% below the $44 fair value. The value rests on 2 recorded PSA 7 sales. With so few PSA 7 sales on record, a single sale can sit far from the value. Its confidence band runs from $44 to $44. A PSA 10 ($907) is worth 7.1 times a PSA 9 ($128). Over the past 30 days the PSA 7 value has fallen 17.3%. With sparse sales evidence, read the gap and the band as rough guides.

TCGBerg fair value by grade

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

  • Raw NM$45Ungraded · TCGBerg fair value
  • Raw LP$40Ungraded · TCGBerg fair value
  • Raw MP$39Ungraded · market price
  • Raw HP$20Ungraded · market price
  • Raw Damaged$17Ungraded · market price
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.

  • $660
    Nov 5, 2026 · via eBay
    PSA10below fair value by 23.8%
  • $760
    Nov 3, 2026 · via eBay
    PSA10below fair value by 12.3%
  • $1,000
    Nov 3, 2026 · via eBay
    PSA10above fair value by 15.4%
  • $950
    Oct 31, 2026 · via Fanatics Collect
    PSA10above fair value by 11.9%
  • $950
    Oct 29, 2026 · via eBay
    PSA10above fair value by 11.9%

15 more sales with Pro

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

Includes a sale 31.0% below fair value

All grades matrix

Every grade we track for this printing.

  • CGC Pristine 10$600
    1d -7d -30d -
    Pop
    -
    Mcap
    -
    Evidence
    Sparse
    Last
    $600
  • BGS9.5$153
    1d -7d -30d -
    Pop
    -
    Mcap
    -
    Evidence
    Sparse
    Last
    $153
  • PSA10$907
    1d 0.9%7d 4.7%30d 17.4%
    Pop
    392
    Mcap
    $355.5K
    Evidence
    Very strong
    Last
    $660
Listings
CGC Pristine 10$600-----Sparse$6003mo ago
BGS9.5$153-----Sparse$1532mo ago
PSA10$907392$355.5Kup 4.7%up 17.4%up 86.8%Very strong$6601w ago
PSA9$128331$42.3Kup 11.9%up 23.0%up 39.8%Strong$754w ago
PSA8$78148$11.5Kup 1.3%up 9.1%up 47.2%Moderate$793w ago
PSA7$4434$1.5Kup 0.2%down 17.3%down 5.3%Sparse$354w ago
PSA6$379$3290.0%down 15.1%up 4.0%Sparse$231y ago
PSA5$374-0.0%down 6.7%up 13.3%Sparse-
Raw$45--down 0.2%up 2.0%-Very strong$703w ago

Graded population report

926 graded copies of Dialga GX Secret across 9 grades.

PSA 10
392 · 42%
PSA 9
331 · 36%
PSA 8
148 · 16%
PSA 7
34 · 3.7%
PSA 6
9 · 1.0%
PSA 5
4 · 0.4%
PSA 4
5 · 0.5%
PSA 3
1 · 0.1%
PSA 1
2 · 0.2%

PSA 7 makes up 3.7% of graded copies: 34 of 926. One of the scarcer grades for this card. PSA 10 is the most common grade (42%).

Analysis

Dialga GX - Secret at PSA 10 carries a TCGBerg fair value of $907 as of 2026-11-14. We track a TCGBerg fair value across 8 grades from Sun & Moon - Ultra Prism, from PSA 6 up to PSA 10. A graded population of 392 copies sits behind the PSA 10 grade. The PSA 10 valuation rests on very strong sales evidence. Over the past 30 days, the PSA 10 TCGBerg fair value has risen 17.4%.

PSA 7 - frequently asked

How much is a PSA 7 Dialga GX - Secret from Sun & Moon - Ultra Prism worth?
$44 as of 2026-11-14, the model-derived TCGBerg fair value for a PSA 7 Dialga GX - Secret from Sun & Moon - Ultra Prism. It rests on sparse sales evidence. This estimate is not a guaranteed sale price.
What is the graded population of a PSA 7 Dialga GX - Secret from Sun & Moon - Ultra Prism?
34 copies have been graded at PSA 7, the recorded graded population, not the number of copies printed.
How has the PSA 7 Dialga GX - Secret from Sun & Moon - Ultra Prism price moved recently?
Its TCGBerg fair value has fallen 17.3% over the past 30 days.
What did a PSA 7 Dialga GX - Secret from Sun & Moon - Ultra Prism last sell for?
The most recent recorded sale was $35 on 2026-10-19. This recorded sale is separate from the model-derived fair value.