![Voltorb [Reverse Holo] #100](https://storage.googleapis.com/images.pricecharting.com/052547fe80902f0d52b79d293a35056e5f0b28c90f1ecab14ce386913e7db409/1600.jpg)
Pokemon Scarlet & Violet 151 · #100 · Reverse Holo · Sep 2023
Should You Grade?
Negative expected value ($-1.34) — while a PSA 10 would be profitable, the probability-weighted outcome across all grades means you lose money on average at this grading tier. Low grading population — gem rates based on only 32 graded cards may be unreliable, and the market for this card in graded form may be illiquid. PSA 10 profit of $9.80 is thin — grading fees and selling costs eat most of the margin.
Factors in grading cost, turnaround time, and compounding — how fast you can reinvest profits into the next flip.
Shows the best-value tier from each grading company based on EV, cost, and turnaround. Pop = total graded population; 10s = grade 10 count.