Nidoking #150 Aquapolis Holofoil Price

Nidoking #150 price, trend & prediction

Nidoking #150 (Holofoil, Rare Secret) from Aquapolis (2003) has a market price of $500.00 raw as of October 11, 2026, the TCGplayer market price for this exact printing. It is the #6 most valuable of 316 priced printings in Aquapolis. Over the last 30 days the price has held steady (+0.0%), −25.9% over 90 days. Its 180-day range is $500.00 to $999.00 — it is trading near the bottom of that range.

Graded copies of Nidoking sell for more than raw. A PSA 10 has a recent sale median of $15,879.89, about 32× the raw price (11 recent sales). PSA 9 copies go for around $3,050.00, about 6.1× the raw price (42 recent sales). Other grades we track: CGC 10 at $8,000.00, BGS 9.5 at $5,000.00, ACE 9 at $2,701.19. Graded medians come from recent eBay sold listings and refresh daily.

Nidoking #150 price prediction: if recent momentum continues, the 30-day trend for this card is downward. Momentum is pointing down: the price is lower across the windows we track (+0.0% over 30 days, +0.0% over 7 days, −25.9% over 90 days). This is a read of past price moves, not a model forecast and not investment advice — see the forecast methodology and public accuracy scoreboard for how our ML outlooks are built and scored.