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Grass Energy #129, Unlimited, Gym Heroes

  • Card number: #129/132
  • Rarity: Common
  • Finish: Non-Holo

A PSA 8 Grass Energy #129 Unlimited from Gym Heroes has a TCGBerg fair value of $21 as of Nov 15, 2026. It rests on 2 recorded sales, the latest on Oct 1, 2026. PSA has graded 5 copies at PSA 8. Sales evidence is sparse, so treat this value as a rough estimate.

TCGBerg fair valuePSA 8
As of Nov 15, 2026
$21up 5.4%30-day change

TCGBerg Algorithm (estimated from recorded sales).

2 sales · latest Oct 1, 2026

Fair value3 months
Last sale$18Oct 1, 202610.7% below fair
5-sale avg$15Jun 5Oct 1
Population · PSA 8
5
Market cap
$103
Volatility
1.7%
YTD
-
Sales evidence
Sparse

TCGBerg fair value · PSA 8

$21

30D5.4%
Sales evidenceSparse

Based on 2 recorded sales. Latest sale: Oct 1, 2026.

Market cap
$103
fair value x population
Population
5
graded copies
Last sale
$18
-10.7% vs fair
5-sale avg
$15
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, $18 on Oct 1, 2026, sits 10.7% below the $21 fair value. The value rests on 2 recorded PSA 8 sales. With so few PSA 8 sales on record, a single sale can sit far from the value. Its confidence band runs from $18 to $23. A PSA 10 ($301) is worth 6.7 times a PSA 9 ($45). Over the past 30 days the PSA 8 value has risen 5.4%. 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$0.39Ungraded · TCGBerg fair value
  • Raw MP$0.34Ungraded · TCGBerg fair value
  • Raw HP$0.34Ungraded · TCGBerg fair value
  • Raw LP$0.29Ungraded · TCGBerg fair value
  • Raw Damaged$0.23Ungraded · 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.

  • $0.34
    Nov 11, 2026 · via tcgplayer
    Rawbelow fair value by 12.8%
  • $0.34
    Nov 11, 2026 · via tcgplayer
    Rawbelow fair value by 12.8%
  • $0.40
    Oct 28, 2026 · via tcgplayer
    Rawbelow fair value by 2.4%
  • $0.59
    Oct 26, 2026 · via tcgplayer
    Rawabove fair value by 43.9%
  • $0.50
    Oct 25, 2026 · via tcgplayer
    Rawabove fair value by 28.2%

15 more sales with Pro

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

Includes a sale 54.5% below fair value

All grades matrix

Every grade we track for this printing.

  • PSA10$301
    1d 0.0%7d 0.3%30d 8.1%
    Pop
    4
    Mcap
    $1.2K
    Evidence
    Sparse
    Last
    -
  • PSA9$45
    1d 0.2%7d 0.3%30d 4.1%
    Pop
    7
    Mcap
    $314
    Evidence
    Sparse
    Last
    -
  • PSA8$21
    1d 0.4%7d 3.2%30d 5.4%
    Pop
    5
    Mcap
    $103
    Evidence
    Sparse
    Last
    $18
Listings
PSA10$3014$1.2Kdown 0.3%up 8.1%up 108.6%Sparse-
PSA9$457$314up 0.3%up 4.1%up 84.3%Sparse-
PSA8$215$103up 3.2%up 5.4%up 48.6%Sparse$182mo ago
PSA7$191$19up 3.3%up 3.4%up 48.8%Sparse-
PSA6$161$16up 3.6%up 0.3%up 48.4%Sparse-
Raw$0.39--down 4.9%down 9.3%-Very strong$0.344d ago

PSA population report

18 graded copies of Grass Energy Unlimited across 5 grades.

PSA 10
4 · 22%
PSA 9
7 · 39%
PSA 8
5 · 28%
PSA 7
1 · 5.6%
PSA 6
1 · 5.6%

PSA 8 makes up 28% of graded copies: 5 of 18. PSA 9 is the most common grade (39%).

Analysis

Grass Energy - Unlimited at PSA 10 carries a TCGBerg fair value of $301 as of 2026-11-14. We track a TCGBerg fair value across 5 grades from Gym Heroes, from PSA 6 up to PSA 10. A graded population of 4 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 risen 8.1%.

PSA 8 - frequently asked

How much is a PSA 8 Grass Energy - Unlimited from Gym Heroes worth?
$21 as of 2026-11-14, the model-derived TCGBerg fair value for a PSA 8 Grass Energy - Unlimited from Gym Heroes. It rests on sparse sales evidence. This estimate is not a guaranteed sale price.
What is the graded population of a PSA 8 Grass Energy - Unlimited from Gym Heroes?
5 copies have been graded at PSA 8, the recorded graded population, not the number of copies printed.
How has the PSA 8 Grass Energy - Unlimited from Gym Heroes price moved recently?
Its TCGBerg fair value has risen 5.4% over the past 30 days.
What did a PSA 8 Grass Energy - Unlimited from Gym Heroes last sell for?
The most recent recorded sale was $18 on 2026-10-01. This recorded sale is separate from the model-derived fair value.