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Best Nidoking Cards to Grade

The Nidoking cards worth grading, ranked by expected profit per submission — every grade outcome weighted by how often the card actually receives it — after current grading fees. The PSA 10 best case is shown on every row but does not decide the order. Top pick: Nidoking (Aquapolis) at an expected +$1,998.

Worth grading12
With a gem-rate sample12100%
Positive expected value8
Median gem rate11.3%
PSA fees as of2026-09-26

Ranked by expected profit 12

Nidoking cards worth grading, ranked by expected grading profit
#CardRawPSA 9PSA 10CostBest caseGem rateExpectedSample
1NidokingNidokingAquapolis #150 · Vintage (1999–2003)
Expected +$1,998 per submission: 4.7% of 2,372 graded copies came back PSA 10 ($19,411), and a PSA 9 ($7,200) still clears the $2,556 you have in it. Confidence high on that sample.
$1,343$7,200$19,411$1,213+$16,8554.7%+$1,9982,372
high
2NidokingNidokingAquapolis #H18 · Vintage (1999–2003)
Expected +$1,543 per submission: 11.3% of 734 graded copies came back PSA 10 ($12,750), and a PSA 9 ($1,200) still clears the $1,407 you have in it. Confidence high on that sample.
$260$1,200$12,750$1,147+$11,34311.3%+$1,543734
high
3NidokingNidokingHS—Triumphant #6 · Classic (2004–2010)
Expected +$695 per submission: 17.2% of 227 graded copies came back PSA 10 ($4,500), and a PSA 9 ($125) still clears the $428 you have in it. Confidence high on that sample.
$14$125$4,500$414+$4,07217.2%+$695227
high
4Nidoking δNidoking δDragon Frontiers #6 · Classic (2004–2010)
Expected +$432 per submission: 5.8% of 618 graded copies came back PSA 10 ($6,900), and a PSA 9 ($450) still clears the $742 you have in it. Confidence high on that sample.
$54$450$6,900$688+$6,1585.8%+$432618
high
5NidokingNidokingFireRed & LeafGreen #8 · Classic (2004–2010)
Expected +$168 per submission: 10.5% of 456 graded copies came back PSA 10 ($1,605), and a PSA 9 ($324) still clears the $300 you have in it. Confidence high on that sample.
$65$324$1,605$235+$1,30510.5%+$168456
high
6Giovanni's NidokingGiovanni's NidokingGym Challenge #7 · Vintage (1999–2003)
Expected +$72 per submission: 4.4% of 2,272 graded copies came back PSA 10 ($3,250), and a PSA 9 ($205) still clears the $502 you have in it. Confidence high on that sample.
$100$205$3,250$402+$2,7494.4%+$722,272
high
7NidokingNidokingBase #11 · Vintage (1999–2003)
Expected +$26 per submission: 2.3% of 16,098 graded copies came back PSA 10 ($2,500), and a PSA 9 ($219) still clears the $283 you have in it. Confidence high on that sample.
$39$219$2,500$244+$2,2172.3%+$2616,098
high
8NidokingNidokingBase Set 2 #11 · Vintage (1999–2003)
Expected +$11 per submission: 0.8% of 3,592 graded copies came back PSA 10 ($8,130), and a PSA 9 ($120) still clears the $728 you have in it. Confidence high on that sample.
$28$120$8,130$700+$7,4020.8%+$113,592
high
9Team Rocket's Nidoking exTeam Rocket's Nidoking exDestined Rivals #233 · Current (2020–)
Expected loss −$5 per submission: 59.3% of 13,235 graded copies came back PSA 10 ($212), and only a PSA 10 covers the $167 you have in it — a 9 loses money. Confidence high on that sample.
$85$94$212$82+$4559.3%−$513,235
high
10NidokingNidokingAquapolis #24 · Vintage (1999–2003)
Expected loss −$10 per submission: 31.6% of 215 graded copies came back PSA 10 ($165), and only a PSA 10 covers the $98 you have in it — a 9 loses money. Confidence high on that sample.
$16$71$165$82+$6731.6%−$10215
high
11NidokingNidokingLegendary Collection #31 · Vintage (1999–2003)
Expected loss −$32 per submission: 30.5% of 141 graded copies came back PSA 10 ($95), and only a PSA 10 covers the $92 you have in it — a 9 loses money. Confidence high on that sample.
$11$65$95$81+$330.5%−$32141
high
12NidokingNidoking151 #174 · Current (2020–)
Expected loss −$39 per submission: 32% of 9,978 graded copies came back PSA 10 ($133), and only a PSA 10 covers the $99 you have in it — a 9 loses money. Confidence high on that sample.
$18$27$133$81+$3432%−$399,978
high

Expected = every grade outcome weighted by its share of the card's graded population, minus the raw price and the grading cost (PSA tier fee for the graded value plus ~$20 round-trip shipping, fees as of 2026-09-26). Best case is the PSA 10 leg alone. Gem rates come from a self-selected population — collectors grade their cleanest copies — so read them as an upper bound. Raw is a blended market price, not a sale of your copy. Full method and filters on the grading index.

PSA population 23

Every Nidoking card with a PSA population reading, ranked five ways. A historical PSA 10 rate is the share of graded copies that came back a 10 — how hard a 10 has been to earn, not the chance your copy earns one — and it is only quoted on cards with at least 20 graded copies; the PSA 10 tables use the same floor. PSA counts as of 16 Oct 2026. How population is measured.

Most graded 23

The most-submitted cards, by total PSA graded.

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Fewest PSA 10s 19

The smallest PSA 10 populations among cards with at least 20 graded.

Show the next 9

Most PSA 10s 19

The largest PSA 10 populations among cards with at least 20 graded.

Show the next 9

Hardest to gem 19

The lowest historical PSA 10 rates among cards with at least 20 graded.

Nidoking cards with the lowest historical PSA 10 rate
#CardHistorical PSA 10 rateGraded
1Nidoking Evolutions #450.8%4,355
2Nidoking Base Set 2 #110.8%3,592
3Nidoking Base #112.3%16,098
4Giovanni's Nidoking Gym Challenge #74.4%2,272
5Nidoking Aquapolis #1504.7%2,372
6Nidoking δ Dragon Frontiers #65.8%618
7Nidoking FireRed & LeafGreen #811%456
8Nidoking Steam Siege #4511%27
9Nidoking Aquapolis #H1811%734
10Nidoking HS—Triumphant #617%227
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Fastest growing 18

The most copies newly PSA graded over 30 days, between our readings of 24 Aug 2026 and 28 Sept 2026 — weekly readings, never interpolated between.

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How to read the Nidoking ranking

Every Nidoking card listed here clears one bar: its PSA 10 price beats its raw price by more than the cost of grading it. 12 Nidoking printings pass. 12 of them (100%) have a gem-rate sample of at least ten graded copies in the population reports, and 8 of those keep a positive expected value once every grade outcome is weighted by how often the card actually receives it.

The order is expected profit, not the PSA 10 best case, which rewards the widest raw-to-gem gap whether the card gems one time in two or one in fifty. Here the top row, the Nidoking from Aquapolis, gems 4.7% of the time across 2,372 graded copies: +$1,998 is what a long run of submissions would average, $16,855 is what one lucky copy returns.

The median gem rate across the sampled Nidoking cards is 11.3%. Roughly one submitted copy in 9 came back PSA 10, and most rows here still cover raw price plus fee at PSA 9, so the PSA 9 price does most of the work. Of the 12 ranked cards, 8 still cover raw price plus fee at PSA 9, 4 need a 10 to break even and 4 lose money on expectation. 12 rest on a hundred or more graded copies.

Before you submit a Nidoking card

Grading pays on condition. The four things every grader scores — centering, corners, edges and surface — can be checked at home before paying a fee, and a copy that is visibly off-centre or has a whitened corner will not gem whatever the population says. Those gem rates come from a self-selected population of clean copies, so a random copy does worse.

The cost column assumes a PSA submission at the tier covering the card's PSA 10 value, fees as of 2026-09-26, and raw is CardTrack's blended near-mint price, not a sale of your copy: pay more, or hold a lighter copy, and the break-even moves against you. Test a card with your own numbers in the ROI calculator, see the printings that fail the bar on the Nidoking card list, or see how gem-mint premiums run across the whole catalogue on the PSA premium index.

Nidoking grading questions

Which Nidoking card is the best to grade?
On current numbers the Nidoking (Aquapolis #150): 4.7% of 2,372 graded copies came back PSA 10, an expected profit of $1,998 per submission after the $1,213 grading cost, against a best case of $16,855 if it gems.
How many Nidoking cards are worth grading?
8 keep a positive expected value after the fee, out of the 12 with a gem-rate sample of at least ten graded copies. 12 cards on this page have a PSA 10 price that beats the raw price by more than the grading fee.
What gem rate do Nidoking cards get at PSA?
The median across the 12 sampled Nidoking cards is 11.3%, so about one in 9 of the copies collectors chose to submit came back PSA 10. The strongest rate with a sample of thirty or more is the Team Rocket's Nidoking ex (Destined Rivals #233) at 59.3% of 13,235.
Does the Nidoking ranking apply to CGC or Beckett?
Not directly. The cost column is PSA's fee as of 2026-09-26 and the graded columns are PSA slab prices; the gem-rate sample falls back to CGC's population only when PSA has fewer than ten copies. A CGC or Beckett submission has its own fee and resale price.