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Grass Energy #91, Reverse Holo, XY - Evolutions

  • Card number: #91/108
  • Rarity: Common

A PSA 8 Grass Energy #91 Reverse Holo from XY - Evolutions has a TCGBerg fair value of $15 as of Nov 15, 2026. TCGBerg has recorded 8 PSA 8 sales of this card, the latest on Nov 5, 2026. PSA has graded 49 copies at PSA 8.

TCGBerg fair valuePSA 8
As of Nov 15, 2026
$15up 21.0%30-day change

TCGBerg Algorithm (estimated from recorded sales).

Fair value3 months
Last sale$20Nov 5, 202637.2% above fair
5-sale avg$11Feb 11Nov 5
Population · PSA 8
49
Market cap
$714
Volatility
6.5%
YTD
↑ 56.2%
Sales evidence
Strong

TCGBerg fair value · PSA 8

$15

30D21.0%YTD56.2%
Sales evidenceStrong
Market cap
$714
fair value x population
Population
49
graded copies
Last sale
$20
+37.2% vs fair
5-sale avg
$11
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, $20 on Nov 5, 2026, sits 37.2% above the $15 fair value. The value weighs 8 PSA 8 sales from the past year, not the latest one alone. Its confidence band runs from $13 to $16. A PSA 10 ($433) is worth 19.9 times a PSA 9 ($22). Over the past 30 days the PSA 8 value has risen 21.0%.

TCGBerg fair value by grade

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

  • Raw NM$2.55Ungraded · TCGBerg fair value
  • Raw LP$2.37Ungraded · TCGBerg fair value
  • Raw MP$1.26Ungraded · TCGBerg fair value
  • Raw Damaged$0.57Ungraded · market price
  • Raw HP$0.56Ungraded · 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.

  • $2.28
    Nov 12, 2026 · via tcgplayer
    Rawbelow fair value by 10.6%
  • $20
    Nov 5, 2026 · via eBay
    PSA8above fair value by 36.7%
  • $2.71
    Nov 4, 2026 · via tcgplayer
    Rawabove fair value by 13.9%
  • $4.31
    Oct 30, 2026 · via tcgplayer
    Rawabove fair value by 81.1%
  • $3.87
    Oct 28, 2026 · via tcgplayer
    Rawabove fair value by 62.6%

15 more sales with Pro

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

Includes a sale 79.5% below fair value

All grades matrix

Every grade we track for this printing.

  • CGC7$9.10
    1d -7d -30d -
    Pop
    -
    Mcap
    -
    Evidence
    Sparse
    Last
    -
  • CGC6$7.93
    1d -7d -30d -
    Pop
    -
    Mcap
    -
    Evidence
    Sparse
    Last
    -
  • CGC9-
    1d -7d -30d -
    Pop
    -
    Mcap
    -
    Evidence
    Sparse
    Last
    -
Listings
CGC7$9.10-----Sparse-
CGC6$7.93-----Sparse-
CGC9------Sparse-
PSA10$43316$6.9Kup 0.1%down 4.0%up 66.1%Limited$893w ago
PSA9$22113$2.5Kup 1.6%down 3.4%up 33.5%Limited$282mo ago
PSA8$1549$714down 0.3%up 21.0%up 33.1%Strong$201w ago
PSA7$125$580.0%up 3.5%up 26.2%Sparse-
PSA6$121$120.0%up 3.5%up 26.2%Sparse$5.002y ago
Raw$2.55--up 7.1%up 9.9%-Very strong$2.283d ago

PSA population report

184 graded copies of Grass Energy Reverse Holo across 5 grades.

PSA 10
16 · 8.7%
PSA 9
113 · 61%
PSA 8
49 · 27%
PSA 7
5 · 2.7%
PSA 6
1 · 0.5%

PSA 8 makes up 27% of graded copies: 49 of 184. PSA 9 is the most common grade (61%).

Analysis

Grass Energy - Reverse Holo at PSA 10 carries a TCGBerg fair value of $433 as of 2026-11-14. We track a TCGBerg fair value across 7 grades from XY - Evolutions, from CGC 6 up to PSA 10. A graded population of 16 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 fallen 4.0%.

PSA 8 - frequently asked

How much is a PSA 8 Grass Energy - Reverse Holo from XY - Evolutions worth?
$15 as of 2026-11-14, the model-derived TCGBerg fair value for a PSA 8 Grass Energy - Reverse Holo from XY - Evolutions. It rests on strong sales evidence. This estimate is not a guaranteed sale price.
What is the graded population of a PSA 8 Grass Energy - Reverse Holo from XY - Evolutions?
49 copies have been graded at PSA 8, the recorded graded population, not the number of copies printed.
How has the PSA 8 Grass Energy - Reverse Holo from XY - Evolutions price moved recently?
Its TCGBerg fair value has risen 21.0% over the past 30 days.
What did a PSA 8 Grass Energy - Reverse Holo from XY - Evolutions last sell for?
The most recent recorded sale was $20 on 2026-11-05. This recorded sale is separate from the model-derived fair value.