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Nidoking PSA 9

Nidoking #H18 PSA 9 Price

Aquapolis · #H18 · Rare Holo
$503range $427$578high confidence
83.8% (30d)
Fair buy ≈ $427 · fair sell ≈ $578 · liquidity: Thin (1 PSA 9 sale/90d)
Thin data — this PSA 9 estimate rests on limited recent sales. Treat as a guide.

PSA 9 price trend

90-day median
$500
1 sale
180-day median
$500
1 sale
1-year median
$500
1 sale

Recent PSA 9 sold prices

Pokemon Nidoking Aquapolis Reverse Holo Rare #H18 PSA 9 Mint21 Jun 2026$500

Real eBay sold listings at this grade. Lots, bundles, proxies and damaged copies are excluded; outliers suppressed.

PSA population

PSA has graded 224 copies of Nidoking at PSA 9 out of 679 total PSA graded — a 12% gem (PSA 10) rate. Low graded supply and few recent sales mean the price can move sharply.

PSA 9 vs other grades

Raw NM$230
PSA 9 (this page)2.2× raw$504
PSA 1018.6× raw$4,276

PSA 9 sits 88% below PSA 10 — a wide gap, so PSA 9 can look relatively cheap if you'll hold.

FAQ

How much is Nidoking #H18 worth in PSA 9?
A PSA 9 Nidoking (Aquapolis #H18) is worth about $503, typically 427–578, based on recent real sold prices.
PSA 9 vs PSA 10 — how much cheaper is PSA 9?
PSA 9 trades about 88% below PSA 10 for this card ($503 vs $4,276).
How many Nidoking PSA 9 exist?
PSA has graded 224 copies of Nidoking at PSA 9 out of 679 total PSA graded.
← Full Nidoking overviewPSA 10 priceAquapolis set

Other cards in Aquapolis

Lugia #149Nidoking #150Zapdos #H32Kingdra #148Tyranitar #H28Arcanine #H2