Professor's Research #24
Pokemon Celebrations · #024 · Base · Oct 2021
Maybe — Proceed with Caution
Should You Grade?
Raw Price
$1.99
Expected Value
$-3.22
Net Profit
$0.51
Gem Rate
38.4%
ROI
+3%
Sales / Yr
491
Negative expected value ($-3.22) — 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 $0.51 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
$1.99
BGS 10
$57.00
PSA 10
$44.12
CGC 10
$17.50
9
$13.40
BGS 9.5
$13.36
8
$10.50
7
$5.28
SGC 10
$1.99
38.4%Gem Rate (PSA 10)
Grade Distribution (2,488 total graded)
2,488Total
PSA 1095538.4%
PSA 992937.3%
PSA 841716.8%
PSA 71064.3%
Below 7401.6%