Nidoking

Aquapolis · #H18/147 · Rare Holo · 2003

$230.98

Market price ▲ 0.4% (30d)

Prices as of Jul 26, 2026

HP 110FightingStage 2Art · Naoyo Kimura

781graded pop

13%gem rate

6.1×PSA 10 vs raw

-24%off ATH $166.43 · Jul 2026

+$395.93EV to grade — worth it

Price history

H18▲ 0.0% 7d$230.98

Low $150.00Mid $239.54High $329.99

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Graded values

updated 2026-07-26

Grade 6 est.$120.20

Grade 5 est.$101.22

Grade 4 est.$83.51

Grade 3 est.$69.59

Grade 2 est.$56.94

Grade 1 est.$48.08

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$1,403.18

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

Graded population census · updated 2026-07-08

PSA654 graded · 83 gem 10

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CGC127 graded · 17 gem 10

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Population data from PriceCharting, updated monthly.

Abilities

Earth Rage

Once during your turn (before your attack), if Nidoking is your Active Pokémon, you may flip a coin. If heads, put a damage counter on each of your opponent's Benched Pokémon. This power can't be used if Nidoking is affected by a Special Condition.

Attacks

50+Giant Horn

Flip a coin. If heads, this attack does 50 damage plus 30 more damage.

How much is Nidoking #H18/147 worth?

As of July 27, 2026, Nidoking #H18/147 from Aquapolis sells for around $230.98 in raw, ungraded condition.

Grading changes the math on this one: a PSA 10 is valued around $1,403.18, roughly 6.1x the raw price, while a PSA 9 sits near $541.59. 654 copies have been graded to date, and 13% of them came back a 10 — worth knowing before you pay grading fees.

We update this valuation every night from live market data and verify it against real completed sales — see the chart above for how Nidoking has moved over time.