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$17,080.00
PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.
Graded population census · updated 2026-07-07
PSA2,143 graded · 112 gem 10
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CGC295 graded · 20 gem 10
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Population data from PriceCharting, updated monthly.
Abilities
Crystal Type
Whenever you attach a Grass, Lightning, or Fire basic Energy card from your hand to Nidoking, Nidoking's type (color) becomes the same as that Energy card type until the end of the turn.
Attacks
20Poison Horn
The Defending Pokémon is now Poisoned.
50Rolling Thunder
Flip a coin, If heads, this attack does 10 damage to each of your opponent's Benched Pokémon. If tails, this attack does 10 damage to each of your Benched Pokémon. (Don't apply Weakness or Resistance for Benched Pokémon.)
How much is Nidoking #150/147 worth?
As of August 14, 2026, Nidoking #150/147 from Aquapolis sells for around $675.00 in raw, ungraded condition.
Grading changes the math on this one: a PSA 10 is valued around $17,080.00, roughly 25.3x the raw price, while a PSA 9 sits near $3,297.04. 2,143 copies have been graded to date, and 5% of them came back a 10 — worth knowing before you pay grading fees.
Prices on this page refresh nightly from live TCGplayer market data and are cross-checked against actual sold prices, so a single inflated listing never becomes "the price". The chart above has the full history.
Aquapolis · #150/147 · Rare Secret · 2003
