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Brock's Geodude #66, 1st Edition, Gym Heroes

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

A PSA 9 Brock's Geodude #66 1st Edition from Gym Heroes has a TCGBerg fair value of $35 as of Nov 15, 2026. It rests on 29 recorded sales, the latest on Oct 1, 2026. PSA has graded 175 copies at PSA 9. Sales evidence is limited, so treat this value as a rough estimate.

TCGBerg fair valuePSA 9
As of Nov 15, 2026
$35down 11.8%30-day change

TCGBerg Algorithm (estimated from recorded sales).

29 sales · latest Oct 1, 2026

Fair value3 months
Last sale$200Oct 7, 2026469.3% above fair
5-sale avg$66Apr 26Oct 7
Population · PSA 9
175
Market cap
$6.1K
Volatility
7.7%
YTD
↑ 40.7%
Sales evidence
Limited

TCGBerg fair value · PSA 9

$35

30D11.8%YTD40.7%
Sales evidenceLimited

Based on 29 recorded sales. Latest sale: Oct 1, 2026.

Market cap
$6.1K
fair value x population
Population
175
graded copies
Last sale
$200
+469.3% vs fair
5-sale avg
$66
recent sales
GradingSell

Price history

Open terminalPro

Weekly fair value for PSA 9.

Open in TerminalCandles, every grade, full historyPro

What the evidence says

The latest recorded PSA 9 sale ($200 on Oct 7, 2026) sits 469.3% above the $35 fair value, too far off to read as this grade's price. The value rests on 29 recorded PSA 9 sales. The latest sale ran above the recent run: the last 5 PSA 9 sales averaged $66, within 87.0% of the value. Its confidence band runs from $33 to $38. A PSA 10 ($343) is worth 9.8 times a PSA 9 ($35). 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$2.69Ungraded · TCGBerg fair value
  • Raw LP$2.22Ungraded · TCGBerg fair value
  • Raw MP$1.60Ungraded · TCGBerg fair value
  • Raw HP$1.33Ungraded · market price
  • Raw Damaged$1.05Ungraded · 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.

  • $4.95
    Oct 26, 2026 · via tcgplayer
    Rawabove fair value by 86.1%
  • $2.15
    Oct 26, 2026 · via tcgplayer
    Rawbelow fair value by 19.2%
  • $2.12
    Oct 24, 2026 · via tcgplayer
    Rawbelow fair value by 13.5%
  • $3.12
    Oct 24, 2026 · via tcgplayer
    Rawabove fair value by 27.3%
  • $354
    Oct 18, 2026 · via eBay
    PSA10above fair value by 11.8%

15 more sales with Pro

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

Includes a sale 29.1% below fair value

All grades matrix

Every grade we track for this printing.

  • CGC Gem Mint 10$27
    1d 26.2%7d 26.2%30d 26.2%
    Pop
    52
    Mcap
    $1.4K
    Evidence
    Sparse
    Last
    $26
  • CGC9.5$18
    1d 21.6%7d 21.6%30d 21.6%
    Pop
    11
    Mcap
    $194
    Evidence
    Limited
    Last
    $12
  • PSA10$343
    1d 0.2%7d 0.5%30d 12.5%
    Pop
    60
    Mcap
    $20.6K
    Evidence
    Limited
    Last
    $354
Listings
CGC Gem Mint 10$2752$1.4Kdown 26.2%down 26.2%down 26.2%Sparse$262mo ago
CGC9.5$1811$194up 21.6%up 21.6%up 21.6%Limited$1210mo ago
PSA10$34360$20.6Kup 0.5%up 12.5%up 54.1%Limited$3544w ago
PSA9$35175$6.1Kup 0.4%down 11.8%down 21.4%Limited$2001mo ago
PSA8$3079$2.4Kup 0.8%up 3.7%up 10.8%Moderate$261mo ago
PSA7$1914$268up 0.1%up 6.2%down 20.1%Moderate$141mo ago
PSA6$1911$210up 0.1%up 6.2%down 10.2%Sparse-
PSA5$194-up 0.1%up 6.2%down 7.5%Sparse-
PSA1$171-0.0%0.0%0.0%Sparse$172y ago
Raw$2.69--0.0%up 8.0%-Strong$4.953w ago

Graded population report

686 graded copies of Brock's Geodude 1st Edition across 21 grades.

PSA 10
60 · 8.7%
PSA 9
175 · 26%
PSA 8
80 · 12%
PSA 7
14 · 2.0%
PSA 6
11 · 1.6%
BGS 9
8 · 1.2%
CGC Pristine 10
1 · 0.1%
CGC Gem Mint 10
52 · 7.6%
CGC 9.5
11 · 1.6%
CGC 9
123 · 18%
CGC 8.5
70 · 10%
CGC 8
32 · 4.7%
CGC 7.5
18 · 2.6%
CGC 7
4 · 0.6%
CGC 6.5
7 · 1.0%
CGC 6
1 · 0.1%
CGC 5
1 · 0.1%
CGC Authentic
11 · 1.6%
PSA 8.5
2 · 0.3%
PSA 5
4 · 0.6%
PSA 1
1 · 0.1%

PSA 9 makes up 26% of graded copies: 175 of 686. It’s the most common grade for this card.

Analysis

Brock's Geodude - 1st Edition Normal at PSA 10 carries a TCGBerg fair value of $343 as of 2026-11-14. We track a TCGBerg fair value across 9 grades from Gym Heroes, from PSA 1 up to PSA 10. A graded population of 60 copies sits behind the PSA 10 grade. The PSA 10 valuation rests on limited sales evidence. Over the past 30 days, the PSA 10 TCGBerg fair value has risen 12.5%.

PSA 9 - frequently asked

How much is a PSA 9 Brock's Geodude - 1st Edition Normal from Gym Heroes worth?
$35 as of 2026-11-14, the model-derived TCGBerg fair value for a PSA 9 Brock's Geodude - 1st Edition Normal 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 9 Brock's Geodude - 1st Edition Normal from Gym Heroes?
175 copies have been graded at PSA 9, the recorded graded population, not the number of copies printed.
How has the PSA 9 Brock's Geodude - 1st Edition Normal from Gym Heroes price moved recently?
Its TCGBerg fair value has fallen 11.8% over the past 30 days.