Porygon [Holo] #137

Pokemon Japanese CD Promo · #137 · Jun 1999

Maybe — Proceed with Caution

Should You Grade?

Raw Price

$19.49

Expected Value

$35.92

Net Profit

$70.01

Gem Rate

20.1%

ROI

+203%

Sales / Yr

565

The gem rate is only 20% — you'll need a very clean copy to hit PSA 10.

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

$19.49

BGS 10

$429.00

PSA 10

$329.84

SGC 10

$198.00

CGC 10

$104.50

$72.00

$42.86

$31.50

20.1%Gem Rate (PSA 10)

9,964Total

PSA 102,00320.1%

PSA 95,67757.0%

PSA 81,56815.7%

PSA 71972.0%

Below 75045.1%