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2. Compare lower-grade outcomes3. Save your assumptionsConfirm edition, language and variant, inspect both sides, and check recent comparable sales. A model result is not a verified buy.
Pokemon Prismatic Evolutions · #149 · Special Illustration Rare · Jan 2025
Should You Grade?
Negative expected value ($-17.09) — while a PSA 10 would be profitable, the probability-weighted outcome across all grades means you lose money on average at this grading tier. The gem rate is only 26% — you'll need a very clean copy to hit PSA 10.
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.
Compare the lower-grade reference prices below with your buy price, grading cost and selling fees. Shipping and tax reduce the result further. Missing prices do not establish a resale floor; a population gem rate is not your card's personal probability.
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Price history
Work through the sale alternative, grade risk and cost of tying up your money.
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Read the sample size and grade distribution before modeling a grading return.
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