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

$13.00

Expected Value

$-7.40

Net Profit

$8.95

Gem Rate

92.4%

ROI

+32%

Sales / Yr

Negative expected value ($-7.40) — 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 82 sales per year — it may take time to find a buyer at full price. PSA 10 profit of $8.95 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

$13.00

BGS 10

$83.00

PSA 10

$64.19

SGC 10

$39.00

CGC 10

$36.95

$16.23

$7.17

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

92.4%Gem Rate (PSA 10)

+11 graded in 30 days

+35 in 90 days

Grade Distribution (780 total graded)

780Total

PSA 1072192.4%

PSA 9476.0%

PSA 891.2%

PSA 710.1%

Below 720.3%