Serperior Ex #159

Pokemon Japanese Black Bolt · #159 · Jun 2025

Maybe — Proceed with Caution

Should You Grade?

Raw Price

$2.84

Expected Value

$6.26

Net Profit

$7.15

Gem Rate

92.7%

ROI

+40%

Sales / Yr

109

PSA 10 profit of $7.15 is thin — grading fees and selling costs eat most of the margin.

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

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%

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

Raw

$2.84

BGS 10

$43.00

PSA 10

$33.03

CGC 10

$24.99

SGC 10

$20.00

BGS 9.5

$16.00

$14.32

92.7%Gem Rate (PSA 10)

206Total

PSA 1019192.7%

PSA 9136.3%

PSA 721.0%