
Thundurus #120
Pokemon Japanese Black Bolt · #120 · Jun 2025
Maybe — Proceed with Caution
Should You Grade?
Raw Price
$3.94
Expected Value
$9.60
Net Profit
$11.05
Gem Rate
91.3%
ROI
+58%
Sales / Yr
211
PSA 10 profit of $11.05 is thin — grading fees and selling costs eat most of the margin.
Best Tier for Flipping
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
$3.94
BGS 10
$51.00
PSA 10
$39.48
CGC 10
$29.99
SGC 10
$24.00
BGS 9.5
$20.00
9
$18.00
91.3%Gem Rate (PSA 10)
+132 graded in 30 days
+179 in 90 days
Grade Distribution (796 total graded)
796Total
PSA 1072791.3%
PSA 9465.8%
PSA 8141.8%
PSA 720.3%
Below 770.9%
