PSA 10$94.00Market grade-curve estimate
PSA 9$20.35Market grade-curve estimate
PSA 8-Market grade-curve estimate
Net EV−$73.18$15.79 net sale vs $88.97 cost
EV rangeEV range: -89% / -82% / -70% (pessimistic / expected / optimistic)Max buy: none (the pessimistic case can't return 20% at any price), with the card's value held at $15.24PSA 10 rate 7.1–34.2% (80% interval on 2 / 12); comps ±20.5% (comp quality 59). The 80% interval, the comp band and the ×0.5 / ×1.5 fallback without population counts are starting assumptions.
Outcome mix10 9% / 9 54% / 8 23% / ≤7 14%
PSA 10 ratePopulation 16.7% → adjusted 9.2% (SM, ×0.55 at $15 value, starting assumption)
Break-evenCan't break even at these prices
CostsRaw $15.24 + shipping $5.00 + grading $59.99 (expected) + submission shipping $6.00 + time cost $2.74 = $88.97Net sale after fees: PSA 10 $75.27 · PSA 9 $12.06 · PSA 8 $6.37 · ≤7 $6.37PSA tier: Standard $59.99; about 133 days at PSA. PSA and eBay fees from their official pages; eBay fees include 7% sales tax in their base; that, the shipping and the 10%/yr time cost are your assumptions (Settings). Grade splitSM grade split (starting assumption); ≤7 valued at 90% of raw; no PSA 8 comp, so 8s valued like ≤7
PSA 10/9 premium4.6x