Should You Grade Dark Slowbro #12 from Team Rocket?

Free PSA grading EV calculator pre-loaded with live market data for Dark Slowbro #12. Current PSA 10 gem rate is 1.3% based on 3,169 graded copies. PSA 10 sales average $1600.00 vs a raw market of $37.11. Expected value of grading: $-134.27 (-55% ROI). Verdict: Sell raw.

Should You Grade Dark Slowbro?

Team Rocket · #12 · Rare Holo

Default-tier verdict

Sell raw$-134 (-55% ROI)

Based on raw market $37.11, PSA 10 $1600.00, gem rate 1.3% (3,169 graded). Adjust inputs below for your card's exact condition.

About this calculator

This page computes the expected value (EV) of submitting Dark Slowbro #12 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

GradePopulationRate
PSA 10421.3%
PSA 957018.0%
PSA 81,03632.7%
PSA 766020.8%