
Trevenant & Dusknoir GX #179
Pokemon Japanese Tag All Stars · #179 · Base · Sep 2022
Maybe — Proceed with Caution
Should You Grade?
Raw Price
$82.09
Expected Value
$-1.71
Net Profit
$3.24
Gem Rate
71.0%
ROI
+3%
Sales / Yr
123
Negative expected value ($-1.71) — 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 $3.24 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
$82.09
BGS 10
$312.00
PSA 10
$240.00
SGC 10
$144.00
CGC 10
$100.33
9
$85.00
BGS 9.5
$75.00
8
$61.00
71.0%Gem Rate (PSA 10)
27 graded last month
Past month gem rate: 52.0%
Grade Distribution (1,258 total graded)
1,258Total
PSA 1089070.7%
PSA 933026.2%
PSA 8282.2%
PSA 730.2%
Below 770.6%
