Cobalion #149
Pokemon Japanese Black Bolt · #149 · Jun 2025
Maybe — Proceed with Caution
Should You Grade?
Raw Price
$7.93
Expected net profit
$-0.57
Grade 10 profit
$0.07
Gem Rate
89.2%
Grade 10 ROI
+0%
Sales / Yr
133
Negative expected value ($-0.57) — while a PSA 10 would be profitable, the probability-weighted outcome across all grades means you lose money on average at this grading tier. PSA 10 profit of $0.07 is thin — grading fees and selling costs eat most of the margin.
Grade 10 scenario comparison
Factors in grading cost, turnaround time, and compounding — how fast you can reinvest profits into the next flip.
Profitability by Grading Company
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
$7.93
BGS 10
$58.00
PSA 10
$44.99
SGC 10
$27.00
CGC 10
$23.00
9
$21.66
BGS 9.5
$20.00
89.2%Gem Rate (PSA 10)
Grade Distribution (529 total graded)
529Total
PSA 1047289.2%
PSA 9387.2%
PSA 8142.6%
PSA 710.2%
Below 740.8%