Nidoqueen [Master Ball] #31

Pokemon Japanese Scarlet & Violet 151 · #031 · Jun 2023

Buy Raw on eBayPSA 10 Sold on eBay

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Maybe — Proceed with Caution

Should You Grade?

Raw Price

$12.50

Expected Value

$-6.79

Net Profit

$9.96

Gem Rate

92.4%

ROI

+36%

Sales / Yr

Negative expected value ($-6.79) — while a PSA 10 would be profitable, the probability-weighted outcome across all grades means you lose money on average at this grading tier. Only 71 sales per year — it may take time to find a buyer at full price. PSA 10 profit of $9.96 is thin — grading fees and selling costs eat most of the margin.

Best Tier for Flipping

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Factors in grading cost, turnaround time, and compounding — how fast you can reinvest profits into the next flip.

Profitability by Grading Company

Company	Best Tier	Gem Rate	Pop	10s	Cost	EV	Net Profit	ROI
PSA	PSA Standard	52.3%	8,420	1,250	$20.00	$85.40	$32.50	127%
BGS	BGS Standard	52.3%	8,420	1,250	$20.00	$85.40	$32.50	127%
CGC	CGC Standard	52.3%	8,420	1,250	$20.00	$85.40	$32.50	127%
SGC	SGC Standard	52.3%	8,420	1,250	$20.00	$85.40	$32.50	127%
TAG	TAG Standard	52.3%	8,420	1,250	$20.00	$85.40	$32.50	127%

Compare All Companies with Pro →

Shows the best-value tier from each grading company based on EV, cost, and turnaround. Pop = total graded population; 10s = grade 10 count.

Price by Grade

Raw

$12.50

BGS 10

$57.00

PSA 10

$44.06

CGC 10

$37.46

SGC 10

$26.00

$16.44

$7.01

View Sold PSA 10 Prices on PriceCharting →View Grading Data on GemRate →

92.4%Gem Rate (PSA 10)

+13 graded in 30 days

+26 in 90 days

Grade Distribution (766 total graded)

766Total

PSA 1070892.4%

PSA 9466.0%

PSA 891.2%

PSA 710.1%

Below 720.3%