Rotom

HS—Undaunted · #20/90 · Rare · 2010

$9.16

Market price ▲ 114.5% (30d)

Prices as of Jul 26, 2026

Normal Reverse Holofoil

HP 60LightningBasicArt · MAHOU

29graded pop

14%gem rate

2.8×PSA 10 vs raw

-16%off ATH $4.36 · Jul 2026

−$13.15EV to grade — don't

Printings & price history

Normal▲ 17.3% 7d$9.16

Low $6.75Mid $15.00

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Graded values

updated 2026-07-26

Grade 6 est.$3.49

Grade 5 est.$2.94

Grade 4 est.$2.42

Grade 3 est.$2.02

Grade 2 est.$1.65

Grade 1 est.$1.39

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$70.00

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

Graded population census · updated 2026-07-07

CGC9 graded · 1 gem 10

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PSA7 graded · 2 gem 10

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Population data from PriceCharting, updated monthly.

Abilities

Mischievous Trick

Once during your turn (before your attack), you may switch 1 of your face-down Prize cards with the top card of your deck. This power can't be used if Rotom is affected by a Special Condition.

Attacks

Plasma Arrow

Choose 1 of your opponent's Pokémon. This attack does 20 damage for each Energy attached to that Pokémon. This attack's damage isn't affected by Weakness or Resistance.

“Research continues on this Pokémon, which could be the power source of a unique motor.”

How much is Rotom #20/90 worth?

Right now (July 26, 2026) the going rate for an ungraded Rotom #20/90 from HS—Undaunted is about $9.16. Across the 2 printings we track, copies run anywhere from $6.75 to $111.49 depending on the version you're holding.

Grading changes the math on this one: a PSA 10 is valued around $70.00, roughly 7.6x the raw price, while a PSA 9 sits near $31.55. 13 copies have been graded to date, and 8% 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.