PSA 10$128.00PokemonPriceTracker 90d
PSA 9$13.37PokemonPriceTracker 90d
PSA 8$8.05PokemonPriceTracker 90d
Net EV−$80.27$14.09 net sale vs $94.36 cost
EV rangeEV range: -88% / -85% / -82% (pessimistic / expected / optimistic)Max buy: none (the pessimistic case can't return 20% at any price), with the card's value held at $20.44PSA 10 rate 15.0–20.8% (80% interval on 50 / 282); comps ±5.0% (comp quality 90). The 80% interval, the comp band and the ×0.5 / ×1.5 fallback without population counts are starting assumptions.
Outcome mix10 10% / 9 54% / 8 23% / ≤7 14%
PSA 10 ratePopulation 17.7% → adjusted 9.8% (XY, ×0.55 at $20 value, starting assumption)
Break-evenNeeds ≥ 89.9% adjusted (over 100% population)
CostsRaw $20.44 + shipping $5.00 + grading $59.99 (expected) + submission shipping $6.00 + time cost $2.93 = $94.36Net sale after fees: PSA 10 $104.45 · PSA 9 $6.07 · PSA 8 $1.61 · ≤7 $1.61PSA 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 splitXY grade split (starting assumption); ≤7 valued at 90% of raw
PSA 10/9 premium9.6x