Koga's Muk

Gym Challenge · #26/132 · Rare · 2000

$11.76
Market price 3.2% (30d)
Prices as of Aug 14, 2026
HP 80GrassStage 1Art · Ken Sugimori
663graded pop
30%gem rate
3.8×PSA 10 vs raw
-39%off ATH $15.58 · Jul 2026
$10.59EV to grade — don't
Market data

Printings & price history

Unlimited 1.8% 7d$11.76
Low $6.55Mid $11.75

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Graded market

Graded values

PSA 10 report →updated 2026-08-14
Grade 6 est.$9.00
Grade 5 est.$7.58
Grade 4 est.$6.25
Grade 3 est.$5.21
Grade 2 est.$4.26
Grade 1 est.$3.60

Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.

PSA 10 price history$61.01

PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.

Graded population census · updated 2026-07-07

PSA114 graded · 34 gem 10
CGC74 graded · 15 gem 10

Population data from PriceCharting, updated monthly.

Abilities

Energy Drain
If an opponent's attack does damage to Koga's Muk (even if Koga's Muk is Knocked Out), flip a coin. If heads and if it has any, choose 1 Energy card attached to the attacking Pokémon and discard it. This power can't be used if Koga's Muk is already Asleep, Confused, or Paralyzed when your opponent attacks.

Attacks

40Sludge Whirlpool

How much is Koga's Muk #26/132 worth?

Koga's Muk #26/132 is a Rare card from Gym Challenge (2000) — today it trades at roughly $11.76 ungraded. Across the 2 printings we track, copies run anywhere from $6.55 to $202.80 depending on the version you're holding.

Grading changes the math on this one: a PSA 10 is valued around $61.01, roughly 5.2x the raw price, while a PSA 9 sits near $17.48. 351 copies have been graded to date, and 38% of them came back a 10 — worth knowing before you pay grading fees.

These figures come from nightly market-data syncs verified against completed sales. Use the chart above to see the trend before you buy or sell.

Collecting Gym Challenge?Full master set guide — every card, chase list, and completion cost