
Tranquill #154
Pokemon Japanese Black Bolt · #154 · Jun 2025
Maybe — Proceed with Caution
Should You Grade?
Raw Price
$5.00
Expected net profit
$3.64
Grade 10 profit
$4.85
Gem Rate
89.5%
Grade 10 ROI
+24%
Sales / Yr
131
PSA 10 profit of $4.85 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
$5.00
BGS 10
$55.00
PSA 10
$42.38
SGC 10
$25.00
CGC 10
$24.85
BGS 9.5
$18.00
9
$17.30
89.5%Gem Rate (PSA 10)
Grade Distribution (447 total graded)
447Total
PSA 1040089.5%
PSA 9327.2%
PSA 892.0%
PSA 740.9%
Below 720.4%
