PSA 10$283.16PriceCharting
PSA 9$105.00PriceCharting
PSA 8-PriceCharting
Net EV−$343.79$102.32 net sale vs $446.11 cost
EV rangeEV range: -84% / -77% / -70% (pessimistic / expected / optimistic)Max buy: none (the pessimistic case can't return 20% at any price), with the card's value held at $359.82PSA 10 rate 14.9–20.9% (80% interval on 48 / 271); comps ±26.0% (comp quality 48). The 80% interval, the comp band and the ×0.5 / ×1.5 fallback without population counts are starting assumptions.
Outcome mix10 12% / 9 40% / 8 27% / ≤7 22%
PSA 10 ratePopulation 17.7% → adjusted 11.5% (Vintage, ×0.65 at $360 value, starting assumption)
Break-evenCan't break even at these prices
CostsRaw $359.82 + shipping $5.00 + grading $59.99 (expected) + submission shipping $6.00 + time cost $15.30 = $446.11Net sale after fees: PSA 10 $237.61 · PSA 9 $84.71 · PSA 8 $84.71 · ≤7 $84.71PSA 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 splitVintage grade split (starting assumption); ≤7 valued at 90% of raw; no PSA 8 comp, so 8s valued like ≤7
PSA 10/9 premium2.7x