Grade Matrix
Graded
PSA 6
$160
Grade 7 guide
$333
Grade 8 guide
$468
PSA 9
$890
PSA 10
$10,499
PSA 10: Median of 4 sales, last 45 days · newest Sep 24, 2026 · checked Oct 26, 2026
PSA 9: Median of 10 PSA 9 sales in the last 90 days, latest 2026-10-21. Grade 9 guide (all graders): $1,096.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
CGC
CGC 8
$250
CGC 9
$400
CGC 10
$280
CGC P10
-
Availability
Availabilityi
2/10G: 12/y
Graded: ~12 sales/yr (low) · Sales per year: ~202 sales/yr · Recent sales: 7 PSA 10 comps · Raw recent sales: 30 · Grade 9 recent sales: 30 · PSA 10 recent sales: 30 · Graded copies: 654 · PSA-10 delta 26.7%
TCGplayer Price History
HolofoilProduct 87692Fetched Oct 21, 3:37 AM
Weekly market
$230.98
week ending Oct 19
Weekly avg sale
$0.00
week ending Oct 19
Units sold (week)
0
week ending Oct 19
Card Value FAQ
How much is Nidoking (Aquapolis #H18) worth?
GemDelta shows Nidoking (Aquapolis #H18) at $231 market price (TCGplayer market). Its Delta multiple is 45.5x.
How much is a PSA 10 Nidoking (Aquapolis #H18) worth?
A PSA 10 Nidoking (Aquapolis #H18) is currently shown at $10,499, the median of 4 PSA 10 sales in the last 45 days (newest Sep 24, 2026).
Is Nidoking (Aquapolis #H18) worth grading?
GemDelta records a 12.7% gem rate for Nidoking (Aquapolis #H18), with 83 PSA 10 copies out of 654 total PSA grades and a 45.5x Delta. That describes the grading profile; it is not financial advice.
PSA 10 Recent sales
| Date | Listing | Sale |
|---|---|---|
| Sep 24, 2026 | 2003 Pokemon Aquapolis Holo Nidoking #H18 PSA 10 GEM MINT FIXED [Fanatics] | $4499.00 |
| Sep 24, 2026 | 2003 POKEMON AQUAPOLIS #H18 NIDOKING-HOLO PSA 10 #H18 | $15000.00 |
| Sep 23, 2026 | PSA 10 GEM MINT Nidoking H18/H32 HOLO RARE Aquapolis Pokemon Card | $11999.99 |
| Sep 18, 2026 | 2003 POKEMON AQUAPOLIS #H18 NIDOKING-HOLO PSA 10 #H18 | $8999.00 |
| Sep 5, 2026 | 2003 POKEMON AQUAPOLIS #H18 NIDOKING-HOLO PSA 10 #H18 | $3500.00 |
| Jul 9, 2026 | 2003 POKEMON NIDOKING-HOLO AQUAPOLIS #H18 PSA 10 #H18 | $3300.00 |
| Jul 5, 2026 | Pokemon Nidoking Holo Aquapolis H18/147 PSA 10 Gem Mint H18/147 | $4052.00 |
| Jun 2, 2026 | 2003 POKEMON AQUAPOLIS #H18 NIDOKING-HOLO PSA 10 #H18 | $4050.00 |