
**DOUBLE SWIRL** Nidoking 150/147 Aquapolis Secret Rare Crystal Holo altered
Card condition
NM: Near Mintcelbii · 1,546 feedback · 100% positive
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SlabIQ
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SlabIQ
Aquapolis · #150/147 · secret rare
Daily Change
+0.0%
30 Day Change
+0.0%
Gold is SlabIQ market. Blue / purple are eBay sold daily averages for PSA 10 and PSA 9 when available.
$675.00 → $500.00 (-25.9%)
Touch and drag the chart to explore price history.
Oct 27
SlabIQ $500.00
Avg $1,630.61
Low $999.99
Recent eBay sold comps by grade
Buy It Now & Best Offer · English & Japanese (cached) · updated Oct 27, 9:03 AM UTC
NM 8 · MP 1 · HP 1 · PSA 10 1 · PSA 9 4

Card condition
NM: Near Mintcelbii · 1,546 feedback · 100% positive
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Card condition
NM: Near Mintpokemon_cards_deals · 1,582 feedback · 99.4% positive
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Card condition
NM: Near Mintplaced_gallery · 17 feedback · 100% positive
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Card condition
NM: Near Mintdaddysteves · 44 feedback · 100% positive
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Card condition
NM: Near Mintvv.collectibles_1 · 3 feedback · 100% positive
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Card condition
NM: Near Mintpapichulo2023 · 554 feedback · 99.2% positive
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Card condition
NM: Near Mintpokeraritystore · 110 feedback · 99.1% positive
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Card condition
NM: Near Mintlastpackcollectables · 1,172 feedback · 99.9% positive
View on eBayMulti-signal valuation when recent sales are sparse or unavailable
IQ Estimated Market Value
$416.33
Confidence
70% · Moderate
Method
IQ estimate
Recent sold data is limited or unavailable. This estimate blends historical pricing, set comparables, scarcity metrics, and market trends.
Catalog market
$500.00
7d trend
+0.0%
Scarcity score
85/100
Catalog NM market 500
Weight 30% · Confidence 72%
6 priced cards in Aquapolis; set median 27.82, secret rare rarity adjustment
Weight 22% · Confidence 46%
+0.0% 7d trend applied to base 500
Weight 18% · Confidence 78%
Scarcity score 85/100 (secret rare, modern)
Weight 10% · Confidence 52%
How this was calculated
Same set and evolution line picks