Slowpoke [Poke Ball] #18

Pokemon Prismatic Evolutions · #018 · Jan 2025

Buy Raw on eBayPSA 10 Sold on eBay

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Maybe — Proceed with Caution

Should You Grade?

Raw Price

$0.49

Expected Value

$-3.10

Net Profit

$60.51

Gem Rate

23.0%

ROI

+391%

Sales / Yr

299

Negative expected value ($-3.10) — while a PSA 10 would be profitable, the probability-weighted outcome across all grades means you lose money on average at this grading tier. The gem rate is only 23% — you'll need a very clean copy to hit PSA 10.

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

$0.49

BGS 10

$123.00

PSA 10

$94.95

CGC 10

$76.00

SGC 10

$57.00

$14.63

BGS 9.5

$13.00

$10.15

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

23.0%Gem Rate (PSA 10)

+12 graded in 30 days

+23 in 90 days

Grade Distribution (165 total graded)

165Total

PSA 103823.0%

PSA 99255.8%

PSA 83018.2%

PSA 742.4%

Below 710.6%