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Koga's Ekans #77, Unlimited, Gym Challenge

  • Card number: #77/132
  • Rarity: Common
  • Finish: Non-Holo

A PSA 9 Koga's Ekans #77 Unlimited from Gym Challenge has a TCGBerg fair value of $28 as of Nov 15, 2026. TCGBerg has recorded 3 PSA 9 sales of this card, the latest on Nov 9, 2026. PSA has graded 27 copies at PSA 9.

TCGBerg fair valuePSA 9
As of Nov 15, 2026
$28down 7.2%30-day change

TCGBerg Algorithm (estimated from recorded sales).

Fair value3 months
Last sale$22Nov 9, 202618.6% below fair
5-sale avg$19May 25Nov 9
Population · PSA 9
27
Market cap
$746
Volatility
3.0%
YTD
↑ 71.2%
Sales evidence
Moderate

TCGBerg fair value · PSA 9

$28

30D7.2%YTD71.2%
Sales evidenceModerate
Market cap
$746
fair value x population
Population
27
graded copies
Last sale
$22
-18.6% vs fair
5-sale avg
$19
recent sales
Grading

Price history

Open terminalPro

Weekly fair value for PSA 9.

Open in TerminalCandles, every grade, full historyPro

What the evidence says

The last PSA 9 sale, $22 on Nov 9, 2026, sits 18.6% below the $28 fair value. The value weighs 3 PSA 9 sales from the past year, not the latest one alone. With so few PSA 9 sales on record, a single sale can sit far from the value. Its confidence band runs from $23 to $33. A PSA 10 ($164) is worth 6.0 times a PSA 9 ($28). Over the past 30 days the PSA 9 value has fallen 7.2%.

TCGBerg fair value by grade

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

  • Raw NM$1.02Ungraded · TCGBerg fair value
  • Raw LP$0.74Ungraded · TCGBerg fair value
  • Raw MP$0.48Ungraded · TCGBerg fair value
  • Raw HP$0.46Ungraded · TCGBerg fair value
  • Raw Damaged$0.34Ungraded · 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.

  • $22
    Nov 9, 2026 · via eBay
    PSA9below fair value by 18.6%
  • $2.47
    Nov 9, 2026 · via tcgplayer
    Rawabove fair value by 142.2%
  • $1.02
    Nov 9, 2026 · via tcgplayer
    Rawat fair value by 0.0%
  • $0.47
    Oct 30, 2026 · via tcgplayer
    Rawbelow fair value by 53.5%
  • $1.26
    Oct 28, 2026 · via tcgplayer
    Rawabove fair value by 24.8%

15 more sales with Pro

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

Includes a sale 53.0% below fair value

All grades matrix

Every grade we track for this printing.

  • CGC6$9.25
    1d -7d -30d -
    Pop
    5
    Mcap
    -
    Evidence
    Sparse
    Last
    -
  • CGC Gem Mint 10$33
    1d 1.4%7d 1.4%30d 1.4%
    Pop
    54
    Mcap
    $1.8K
    Evidence
    Moderate
    Last
    $26
  • PSA10$164
    1d 0.0%7d 0.0%30d 2.4%
    Pop
    19
    Mcap
    $3.1K
    Evidence
    Sparse
    Last
    $57
CGC6$9.255----Sparse-
CGC Gem Mint 10$3354$1.8Kup 1.4%up 1.4%up 1.4%Moderate$265mo ago
PSA10$16419$3.1K0.0%up 2.4%up 43.2%Sparse$571y ago
PSA9$2827$746down 0.6%down 7.2%up 11.9%Moderate$226d ago
PSA8$247$1710.0%down 17.9%down 1.1%Sparse-
PSA7$207$142up 0.1%down 31.8%down 17.7%Sparse$151mo ago
PSA6$152$310.0%down 48.2%down 37.6%Sparse-
PSA5$152-0.0%down 40.2%down 37.6%Sparse-
Raw$1.02--0.0%down 1.9%-Very strong$2.476d ago

Graded population report

303 graded copies of Koga's Ekans Unlimited across 24 grades.

PSA 10
19 · 6.3%
PSA 9
27 · 8.9%
PSA 8
7 · 2.3%
PSA 7
7 · 2.3%
PSA 6
2 · 0.7%
CGC Pristine 10
3 · 1.0%
CGC Gem Mint 10
54 · 18%
CGC 9.5
10 · 3.3%
CGC 9
54 · 18%
CGC 8.5
40 · 13%
CGC 8
26 · 8.6%
CGC 7.5
19 · 6.3%
CGC 7
7 · 2.3%
CGC 6.5
8 · 2.6%
CGC 6
5 · 1.7%
CGC 5.5
5 · 1.7%
CGC 5
1 · 0.3%
CGC 4.5
2 · 0.7%
CGC 3
1 · 0.3%
CGC 2
1 · 0.3%
BGS 8.5
1 · 0.3%
CGC Authentic
1 · 0.3%
CGC Authentic Altered
1 · 0.3%
PSA 5
2 · 0.7%

PSA 9 makes up 8.9% of graded copies: 27 of 303. CGC Gem Mint 10 is the most common grade (18%).

Analysis

Koga's Ekans - Unlimited at PSA 10 carries a TCGBerg fair value of $164 as of 2026-11-14. We track a TCGBerg fair value across 8 grades from Gym Challenge, from CGC 6 up to PSA 10. A graded population of 19 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 2.4%.

PSA 9 - frequently asked

How much is a PSA 9 Koga's Ekans - Unlimited from Gym Challenge worth?
$28 as of 2026-11-14, the model-derived TCGBerg fair value for a PSA 9 Koga's Ekans - Unlimited from Gym Challenge. It rests on moderate sales evidence. This estimate is not a guaranteed sale price.
What is the graded population of a PSA 9 Koga's Ekans - Unlimited from Gym Challenge?
27 copies have been graded at PSA 9, the recorded graded population, not the number of copies printed.
How has the PSA 9 Koga's Ekans - Unlimited from Gym Challenge price moved recently?
Its TCGBerg fair value has fallen 7.2% over the past 30 days.
What did a PSA 9 Koga's Ekans - Unlimited from Gym Challenge last sell for?
The most recent recorded sale was $22 on 2026-11-09. This recorded sale is separate from the model-derived fair value.