Should You Grade Dark Slowbro #8 from Legendary Collection?
Free PSA grading EV calculator pre-loaded with live market data for Dark Slowbro #8. Current PSA 10 gem rate is 5.7% based on 633 graded copies. PSA 10 sales average $1746.00 vs a raw market of $33.50. Expected value of grading: $-50.02 (-21% ROI). Verdict: Sell raw.
Legendary Collection · #8 · Rare Holo
Default-tier verdict
Sell raw$-50 (-21% ROI)
Based on raw market $33.50, PSA 10 $1746.00, gem rate 5.7% (633 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Dark Slowbro #8 to PSA for grading. EV factors in real PSA population data (gem rates), live market prices for raw and graded copies, and PSA's tiered fee structure including upcharges when a card's graded value exceeds the tier's Max Insured Value. Adjust the inputs to match your card's exact condition for a personalized recommendation.
PSA population summary
| Grade | Population | Rate |
|---|---|---|
| PSA 10 | 36 | 5.7% |
| PSA 9 | 212 | 33.5% |
| PSA 8 | 205 | 32.4% |
| PSA 7 | 84 | 13.3% |