| October · 2 sales · median $55,350 · +151% vs Sep |
| 28 | eBay | 2003 POKEMON AQUAPOLIS #150 CRYSTAL NIDOKING HOLO PSA 10 - SWIRL! 🌀 #150 | −32% | $45,000 |
| 5 | eBay | Pokemon Nidoking Crystal Holo Aquapolis 150/147 PSA 10 Gem Mint 150/147 | +236% | $65,700 |
| September · 2 sales · median $22,019 · +33% vs Aug |
| 13 | eBay | 2003 POKEMON AQUAPOLIS #150/147 NIDOKING HOLO SWIRL RARE PSA 10 150/147 | −20% | $19,537 |
| 1 | Fanatics | 2003 Pokemon Aquapolis Holo Nidoking #150 PSA 10 GEM MINT FIXED [Fanatics] | +17% | $24,500 |
| August · 3 sales · median $16,505 · −3% vs May |
| 31 | eBay | 2003 POKEMON AQUAPOLIS #150 NIDOKING-HOLO PSA 10 #150 | +33% | $21,000 |
| 30 | eBay | 2003 POKEMON AQUAPOLIS #150/147 NIDOKING HOLO SWIRL RARE PSA 10 150/147 | −4% | $15,822 |
| 16 | eBay | 2003 POKEMON AQUAPOLIS #150/147 NIDOKING HOLO SWIRL RARE PSA 10 150/147 | −3% | $16,505 |
| May · 1 sale · median $17,080 · −9% vs Apr |
| 25 | Goldin | 2003 Pokemon Aquapolis Holo #150 Crystal Nidoking - PSA GEM MT 10 [Goldin] | −9% | $17,080 |
| April · 1 sale · median $18,727 · +7% vs Mar |
| 13 | Goldin | 2003 Pokemon Aquapolis Holo #150 Crystal Nidoking - PSA GEM MT 10 [Goldin] | +7% | $18,727 |
| March · 1 sale · median $17,500 · +202% vs Aug |
| 5 | eBay | Pokemon Nidoking Aquapolis Crystal Holo Secret Rare #150 PSA 10 Gem Mint | +176% | $17,500 |
| August 2025 · 3 sales · median $5,800 · −9% vs Jul |
| 25 | eBay | Pokemon Nidoking Aquapolis Crystal Holo Rare #150 PSA 10 Gem Mint | +9% | $6,350 |
| 11 | eBay | Pokemon Nidoking Aquapolis Crystal Holo Rare #150 PSA 10 Gem Mint | +23% | $5,800 |
| 3 | Goldin | 2003 Pokemon Aquapolis Rare Holofoil #150 Nidoking - PSA GEM MT 10 [Goldin] | −22% | $4,700 |
| July 2025 · 2 sales · median $6,359 · −7% vs Jun |
| 28 | eBay | Pokemon Nidoking Aquapolis Crystal Holo Rare #150 PSA 10 Gem Mint | −11% | $6,000 |
| 21 | eBay | Pokemon Nidoking Aquapolis Crystal Holo Rare #150 PSA 10 Gem Mint | −2% | $6,717 |
| June 2025 · 1 sale · median $6,850 · +63% vs May |
| 2 | eBay | Pokemon Nidoking Aquapolis Crystal Holo Rare #150 PSA 10 Gem Mint | +46% | $6,850 |
| May 2025 · 3 sales · median $4,200 · −30% vs Apr |
| 19 | eBay | Pokemon Nidoking Aquapolis Crystal Holo Rare #150 PSA 10 Gem Mint | +12% | $4,700 |
| 6 | eBay | Pokemon Nidoking Aquapolis Crystal Holo Rare #150 PSA 10 Gem Mint | +14% | $4,200 |
| 6 | eBay | Pokemon Nidoking Aquapolis Crystal Holo Rare #150 PSA 10 Gem Mint | −38% | $3,700 |
| April 2025 · 1 sale · median $6,000 · +71% vs Mar |
| 13 | eBay | PSA 10 GEM MINT Nidoking Crystal Aquapolis Holo Pokemon WOTC 2003 E-Reader #See listing | +50% | $6,000 |
| March 2025 · 2 sales · median $3,500 · +18% vs Feb |
| 28 | eBay | 2003 Pokemon Aquapolis Nidoking Holo #150 PSA 10 #150 | +33% | $3,999 |
| 18 | eBay | Nidoking 150/147 Aquapolis Holo 150/147 | +1% | $3,001 |
| February 2025 · 1 sale · median $2,965 · +38% vs Aug |
| 25 | eBay | 2003 Pokemon Aquapolis Nidoking Holo #150 PSA 10 #150 | +38% | $2,965 |
| August 2024 · 3 sales · median $2,150 · +2% vs Dec |
| 23 | eBay | 2003 Pokemon Aquapolis #150 Nidoking Holo PSA 10 GEM MINT | −23% | $2,150 |
| 17 | eBay | Pokemon Nidoking Aquapolis Crystal Holo Rare #150 PSA 10 Gem Mint | +32% | $2,800 |
| 8 | eBay | PSA GEM MINT 10 - NIDOKING - 2003 Aquapolis Set -Holo Foil CRYSTAL RARE -150/147 150/147 | +1% | $2,125 |
| December 2023 · 1 sale · median $2,100 · −5% vs Nov |
| 9 | eBay | 2003 Aquapolis 150 Crystal Nidoking Holo Rare Pokemon TCG Card PSA 10 Gem Mint #150 | −5% | $2,100 |
| November 2023 · 1 sale · median $2,200 · −6% vs Feb |
| 16 | eBay | PSA 10 GEM Crystal Nidoking Aquapolis e series Holo Pokemon Card 150/147 TM1 #150 | −6% | $2,200 |
| February 2023 · 1 sale · median $2,350 |
| 3 | eBay | Pokemon 2003 Aquapolis Crystal Nidoking Holo Swirl 150/147 PSA 10 Gem Mint💫 #150 | — | $2,350 |