Nidoking (H18)
Pokémon · Aquapolis · Holo Rare · H18/H32
Released 2003-01-15
$150.00
30-day forecast: $151.48
Live Pokémon price tracking, buyout detection, and price predictions for Nidoking (H18) on TCG Collector Tools.
Prices Across Marketplaces
TCGplayer (market)
$150.00
TCGplayer (mid)
$239.54
TCGplayer (low)
$150.00
Price Forecast
| Horizon | Forecast | vs Today |
|---|---|---|
| 7 days (stable) | $150.35 | +0.2% |
| 30 days (stable) | $151.48 | +1.0% |
| 90 days | $146.75 | -2.2% |
| 180 days | $150.96 | +0.6% |
| 1 year | $159.63 | +6.4% |
Confidence 68% · Calibrated 30-day range $121.00–$181.96 · vintage card · veryLow volatility
Our Forecast Track Record
What we predicted for this card, and what actually happened. We publish misses as well as hits. Anchored 2026-06-06 · at $150.00 · 53 days ago.
| Horizon | We predicted | Actual | Error |
|---|---|---|---|
| Day 7 | $147.77 | $150.00 | +1.5% |
| Day 30 | $145.54 | $120.00 | -17.5% |
Signal Analysis
HOLD
Conviction 50/100 · Target $151.48 · Range $136.33–$166.63 · over 30d
Mixed signals. Monitor for clearer direction.
Recent Price History
$150.00
$150.00
$150.00
$150.00
$150.00
$150.00
$150.00
Frequently Asked Questions
How much is Nidoking (H18) worth?
Nidoking (H18) is currently $150.00 on TCGplayer for the Aquapolis printing. Prices update daily from live marketplace data.
Is Nidoking (H18) going up or down in price?
Our 30-day forecast for Nidoking (H18) is $151.48, with a stable trend at 68% confidence.