Koga's Muk - Normal, Gym Challenge: Fair Value

tcgberg

Charmeleon HoloMEWPSA 10$5210.6%

Bulbasaur HoloMEWPSA 10$3350.9%

Alakazam HoloBS2PSA 9$1926.4%

Charizard ex HoloMEWPSA 9$564.2%

Haunter HoloFOSPSA 7$510.6%

Charmeleon UnlimitedBASPSA 9$4115.0%

Ninetales UnlimitedBASPSA 9$2114.4%

Gengar HoloFOSPSA 8$3313.5%

Venusaur UnlimitedBASPSA 8$3024.1%

Blastoise ex HoloMEWPSA 9$1693.3%

Electabuzz UnlimitedBASPSA 8$320.2%

Brock's Golem 1st EditionGYMPSA 10$284115.4%

Charizard ex HoloMEWPSA 10$1,6502.3%

Magikarp NormalMEWPSA 7$7500.0%

Pikachu Unlimited Yellow CheeksBASPSA 6$5361.0%

Charizard 1st Edition ShadowlessBASPSA 9$46,2710.3%

Charmander Eb Games ExclusiveMEWPSA 9$2780.4%

Nidoking 1st Edition ShadowlessBASPSA 10$5,92757.0%

Charizard UnlimitedBASPSA 9$3,3640.2%

Vileplume HoloMEWPSA 8$1441873.0%

Magneton HoloBS2PSA 8$6550.6%

Dark Charizard 1st EditionROKPSA 10$18,0391.8%

Eevee Pokemon TogetherMEWPSA 9$1300.8%

Super Energy Removal 1st Edition ShadowlessBASPSA 9$80036.5%

Charizard ShadowlessBASPSA 9$10,3760.1%

Squirtle Pokemon Center 151 Pre-Order PromoMEWPSA 9$1211.0%

Gambler 1st EditionFOSPSA 8$6234.1%

Venusaur ex HoloMEWPSA 10$5113.4%

Clefable PrereleaseJUNPSA 9$7,7750.0%

Electrode HoloJUNPSA 10$84730.2%

Blastoise 1st Edition ShadowlessBASPSA 9$10,6470.2%

Dark Dragonite 1st EditionROKPSA 9$5,2080.0%

Doduo UnlimitedBASPSA 10$10629.3%

Blaine's Charizard 1st EditionGYCPSA 10$17,3500.5%

Sabrina's Gengar 1st EditionGYMPSA 9$3,4202.5%

Super Potion 1st Edition ShadowlessBASPSA 9$26026.7%

Zapdos ex HoloMEWPSA 10$4580.7%

Snorlax 1st EditionJUNPSA 9$2,7342.9%

Dark Slowbro HoloROKPSA 10$1,25726.1%

Charmander HoloMEWPSA 10$6690.0%

Charizard HoloBS2PSA 9$1,6943.0%

Basic Psychic Energy HoloMEWPSA 10$10125.8%

Pikachu HoloMEWPSA 10$6060.9%

Computer Search 1st Edition ShadowlessBASPSA 9$44425.6%

Dragonite 1st EditionFOSPSA 9$2,4371.5%

Staryu UnlimitedBASPSA 10$8724.9%

Gengar 1st EditionFOSPSA 10$27,6530.7%

Blaine's Charizard Holo-Corrected SymbolGYCPSA 10$25,5770.0%

Wigglytuff HoloBS2PSA 10$18,6460.0%

Vaporeon 1st EditionJUNPSA 10$16,8800.9%

Koga's Muk - Normal, Gym Challenge: Fair Value | TCGBerg

All grades matrix

Every grade we track for this printing. Click any column header to sort; the rightmost column jumps you to listings for that grade.


PSA10	$75	34	$2.5K	0.0%	0.0%	19.9%	58.3%	—	51	$1794w ago
PSA9	$22	35	$767	0.0%	0.0%	0.0%	10.7%	—	37	$252mo ago
PSA8	$11	23	$247	0.0%	0.0%	0.0%	0.0%	—	30	$83y ago
PSA7	$14	13	$184	0.0%	0.0%	0.0%	16.4%	—	34	$181y ago
Raw	$14	—	—	—	—	—	—	—	—	—

Recent sales

Most recent transactions from public auction comps and dealer reporting. Showing 8 of 8; delta vs fair value is the difference between the sale price and the grade's quoted fair value on that date.

Date	Grade	Price	Source	vs TCGBerg FV
May 21, 2026	PSA10	$179	fanatics_collect	138.9%
Apr 10, 2026	PSA10	$70	ebay	6.6%
Apr 7, 2026	PSA10	$78	ebay	4.1%
Dec 14, 2025	PSA10	$47	fanatics_collect	37.3%
Dec 3, 2025	PSA10	$46	ebay	38.6%
Aug 6, 2025	PSA10	$50	ebay	33.3%
Jul 21, 2025	PSA10	$29	ebay	61.3%
Jun 30, 2025	PSA10	$50	ebay	33.3%

May 21, 2026PSA10
$179138.9%
via fanatics_collect
Apr 10, 2026PSA10
$706.6%
via ebay
Apr 7, 2026PSA10
$784.1%
via ebay
Dec 14, 2025PSA10
$4737.3%
via fanatics_collect
Dec 3, 2025PSA10
$4638.6%
via ebay
Aug 6, 2025PSA10
$5033.3%
via ebay
Jul 21, 2025PSA10
$2961.3%
via ebay
Jun 30, 2025PSA10
$5033.3%
via ebay

Analysis

Koga's Muk - Normal at PSA 10 carries a TCGBerg fair value of $75 as of 2026-06-17. We track a TCGBerg fair value across 4 grades from Gym Challenge, from PSA 8 up to PSA 10. A graded population of 34 copies sits behind the PSA 10 grade. The PSA 10 valuation carries medium confidence (a confidence score of 51). Over the past 30 days, the PSA 10 TCGBerg fair value has risen 19.9%.

Show more analysis

PSA 10 commentary

The TCGBerg fair value of a PSA 10 Koga's Muk - Normal is $75 as of 2026-06-17. 34 copies have been graded at this level. This valuation carries medium confidence (a confidence score of 51). Over the past 30 days the TCGBerg fair value has risen 19.9%. The most recent recorded sale was $179 on 2026-05-21.

PSA 10 — frequently asked

What is the TCGBerg fair value of a PSA 10 Koga's Muk - Normal?

$75 as of 2026-06-17, our model-derived fair value for a PSA 10 Koga's Muk - Normal based on recent graded sales.

How rare is a PSA 10 Koga's Muk - Normal?

34 copies have been graded at PSA 10, the graded population behind this atom.

How has the PSA 10 Koga's Muk - Normal price moved recently?

Its TCGBerg fair value has risen 19.9% over the past 30 days.

PSA 9 commentary

The TCGBerg fair value of a PSA 9 Koga's Muk - Normal is $22 as of 2026-06-17. 35 copies have been graded at this level. This valuation carries low confidence (a confidence score of 37). Over the past 90 days the TCGBerg fair value has risen 10.7%. The most recent recorded sale was $25 on 2026-04-16.

PSA 9 — frequently asked

What is the TCGBerg fair value of a PSA 9 Koga's Muk - Normal?

$22 as of 2026-06-17, our model-derived fair value for a PSA 9 Koga's Muk - Normal based on recent graded sales.

How rare is a PSA 9 Koga's Muk - Normal?

35 copies have been graded at PSA 9, the graded population behind this atom.

How has the PSA 9 Koga's Muk - Normal price moved recently?

Its TCGBerg fair value has risen 10.7% over the past 90 days.

PSA 8 commentary

The TCGBerg fair value of a PSA 8 Koga's Muk - Normal is $11 as of 2026-06-17. 23 copies have been graded at this level. This valuation carries low confidence (a confidence score of 30). The most recent recorded sale was $8 on 2023-06-26.

PSA 8 — frequently asked

What is the TCGBerg fair value of a PSA 8 Koga's Muk - Normal?

$11 as of 2026-06-17, our model-derived fair value for a PSA 8 Koga's Muk - Normal based on recent graded sales.

How rare is a PSA 8 Koga's Muk - Normal?

23 copies have been graded at PSA 8, the graded population behind this atom.

PSA 7 commentary

The TCGBerg fair value of a PSA 7 Koga's Muk - Normal is $14 as of 2026-06-17. 13 copies have been graded at this level. This valuation carries low confidence (a confidence score of 34). Over the past 90 days the TCGBerg fair value has fallen 16.4%. The most recent recorded sale was $18 on 2025-04-01.

PSA 7 — frequently asked

What is the TCGBerg fair value of a PSA 7 Koga's Muk - Normal?

$14 as of 2026-06-17, our model-derived fair value for a PSA 7 Koga's Muk - Normal based on recent graded sales.

How rare is a PSA 7 Koga's Muk - Normal?

13 copies have been graded at PSA 7, the graded population behind this atom.

How has the PSA 7 Koga's Muk - Normal price moved recently?

Its TCGBerg fair value has fallen 16.4% over the past 90 days.

Koga's Muk #26, Normal, Gym Challenge

Price history

Price spectrum

TCGBerg fair value by grade

All grades matrix

Active listings on eBay

About Gym Challenge

Recent sales

Population & rarity

Relative valuation vs. index

Analysis

PSA 10 commentary

PSA 10 — frequently asked

PSA 9 commentary

PSA 9 — frequently asked

PSA 8 commentary

PSA 8 — frequently asked

PSA 7 commentary

PSA 7 — frequently asked

Other printings of Koga's Muk

Indices containing this card

Parent set

Koga's Muk #26, Normal, Gym Challenge

Price spectrum

TCGBerg fair value by gradeSide-by-side comparison of fair value across every grade we track for this printing. The bar chart uses a log scale so raw and gem-mint fit on one axis.

All grades matrix

Active listings on eBayLive asking prices from eBay sellers. The delta shows how each ask compares to TCGBerg's quoted fair value for that grade. Verified deals are marked from the published analytics feed.

About Gym Challenge

Recent sales

Population & rarityHow Koga's Muk's graded copies are spread across grades. Each bar is the number of copies graded at that grade; the percentage is that grade's share of the total graded population. Fewer copies at a grade = scarcer = a scarcity premium.

Relative valuation vs. indexBoth series are indexed to 100 at May 10, 2026, the index’s inception date, not the start of the selected range. A divergence means the card has outperformed or underperformed the index since then, by exactly the percentage-point gap.

Analysis

PSA 10 commentary

PSA 10 — frequently asked

PSA 9 commentary

PSA 9 — frequently asked

PSA 8 commentary

PSA 8 — frequently asked

PSA 7 commentary

PSA 7 — frequently asked

Related

Other printings of Koga's Muk

Indices containing this card

Parent set

TCGBerg fair value by grade

Active listings on eBay

Population & rarity

Relative valuation vs. index