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Brock's Geodude #66, Unlimited, Gym Heroes

  • Card number: #66/132
  • Rarity: Common
  • Finish: Non-Holo

A PSA 8 Brock's Geodude #66 Unlimited from Gym Heroes has a TCGBerg fair value of $18 as of Nov 15, 2026. It rests on 4 recorded sales, the latest on Sep 15, 2026. PSA has graded 23 copies at PSA 8. Sales evidence is limited, so treat this value as a rough estimate.

TCGBerg fair valuePSA 8
As of Nov 15, 2026
$18down 3.0%30-day change

TCGBerg Algorithm (estimated from recorded sales).

4 sales · latest Sep 15, 2026

Fair value3 months
Last sale$16Sep 15, 202613.5% below fair
5-sale avg$20Mar 10Sep 15
Population · PSA 8
23
Market cap
$415
Volatility
3.2%
YTD
↑ 56.9%
Sales evidence
Limited

TCGBerg fair value · PSA 8

$18

30D3.0%YTD56.9%
Sales evidenceLimited

Based on 4 recorded sales. Latest sale: Sep 15, 2026.

Market cap
$415
fair value x population
Population
23
graded copies
Last sale
$16
-13.5% vs fair
5-sale avg
$20
recent sales
Grading

Price history

Open terminalPro

Weekly fair value for PSA 8.

Open in TerminalCandles, every grade, full historyPro

What the evidence says

The last PSA 8 sale, $16 on Sep 15, 2026, sits 13.5% below the $18 fair value. The value rests on 4 recorded PSA 8 sales. Its confidence band runs from $14 to $22. A PSA 10 ($301) is worth 12.2 times a PSA 9 ($25). Over the past 30 days the PSA 8 value has fallen 3.0%. With limited 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$0.74Ungraded · TCGBerg fair value
  • Raw LP$0.48Ungraded · TCGBerg fair value
  • Raw MP$0.44Ungraded · TCGBerg fair value
  • Raw HP$0.39Ungraded · TCGBerg fair value
  • Raw Damaged$0.27Ungraded · 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.

  • $0.69
    Nov 3, 2026 · via tcgplayer
    Rawbelow fair value by 6.8%
  • $0.40
    Oct 30, 2026 · via tcgplayer
    Rawbelow fair value by 45.9%
  • $1.20
    Oct 28, 2026 · via tcgplayer
    Rawabove fair value by 62.2%
  • $0.75
    Oct 28, 2026 · via tcgplayer
    Rawabove fair value by 1.4%
  • $0.94
    Oct 28, 2026 · via tcgplayer
    Rawabove fair value by 27.0%

15 more sales with Pro

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

Includes a sale 46.7% below fair value

All grades matrix

Every grade we track for this printing.

  • CGC Gem Mint 10$16
    1d 23.2%7d 23.2%30d 23.2%
    Pop
    17
    Mcap
    $267
    Evidence
    Sparse
    Last
    $13
  • CGC9.5$15
    1d 0.0%7d 0.0%30d 0.0%
    Pop
    6
    Mcap
    $90
    Evidence
    Sparse
    Last
    -
  • BGS9.5$11
    1d 0.0%7d 0.0%30d 0.0%
    Pop
    1
    Mcap
    $11
    Evidence
    Sparse
    Last
    -
Listings
CGC Gem Mint 10$1617$267down 23.2%down 23.2%down 23.2%Sparse$133mo ago
CGC9.5$156$900.0%0.0%0.0%Sparse-
BGS9.5$111$110.0%0.0%0.0%Sparse-
PSA10$3018$2.4Kup 0.1%down 5.5%up 22.2%Sparse$521y ago
PSA9$2539$963up 1.1%up 7.4%up 22.4%Limited$222mo ago
PSA8$1823$415down 9.4%down 3.0%up 8.8%Limited$162mo ago
PSA7$1710$172down 2.8%up 2.0%up 16.0%Limited$1311mo ago
PSA6$153$46down 0.5%up 2.0%up 6.6%Sparse$112y ago
Raw$0.74--0.0%down 1.3%-Very strong$0.692w ago

Graded population report

387 graded copies of Brock's Geodude Unlimited across 26 grades.

PSA 10
8 · 2.1%
PSA 9
39 · 10%
PSA 8
23 · 5.9%
PSA 7
10 · 2.6%
PSA 6
3 · 0.8%
BGS 9.5
1 · 0.3%
BGS 9
1 · 0.3%
CGC Gem Mint 10
17 · 4.4%
CGC 9.5
6 · 1.6%
CGC 9
58 · 15%
CGC 8.5
60 · 16%
CGC 8
54 · 14%
CGC 7.5
26 · 6.7%
CGC 7
17 · 4.4%
CGC 6.5
14 · 3.6%
CGC 6
11 · 2.8%
CGC 5.5
12 · 3.1%
CGC 5
8 · 2.1%
CGC 4.5
5 · 1.3%
CGC 4
3 · 0.8%
CGC 3
1 · 0.3%
BGS 8.5
1 · 0.3%
BGS 7.5
1 · 0.3%
BGS 7
1 · 0.3%
CGC Authentic
5 · 1.3%
PSA 5
2 · 0.5%

PSA 8 makes up 5.9% of graded copies: 23 of 387. One of the scarcer grades for this card. CGC 8.5 is the most common grade (16%).

Analysis

Brock's Geodude - Unlimited at PSA 10 carries a TCGBerg fair value of $301 as of 2026-11-14. We track a TCGBerg fair value across 8 grades from Gym Heroes, from BGS 9.5 up to PSA 10. A graded population of 8 copies sits behind the PSA 10 grade. The PSA 10 valuation rests on sparse sales evidence. Over the past 30 days, the PSA 10 TCGBerg fair value has fallen 5.5%.

PSA 8 - frequently asked

How much is a PSA 8 Brock's Geodude - Unlimited from Gym Heroes worth?
$18 as of 2026-11-14, the model-derived TCGBerg fair value for a PSA 8 Brock's Geodude - Unlimited from Gym Heroes. It rests on limited sales evidence. This estimate is not a guaranteed sale price.
What is the graded population of a PSA 8 Brock's Geodude - Unlimited from Gym Heroes?
23 copies have been graded at PSA 8, the recorded graded population, not the number of copies printed.
How has the PSA 8 Brock's Geodude - Unlimited from Gym Heroes price moved recently?
Its TCGBerg fair value has fallen 3.0% over the past 30 days.
What did a PSA 8 Brock's Geodude - Unlimited from Gym Heroes last sell for?
The most recent recorded sale was $16 on 2026-09-15. This recorded sale is separate from the model-derived fair value.