Should You Grade Psyduck #SM199 from SM Black Star Promos?

Free PSA grading EV calculator pre-loaded with live market data for Psyduck #SM199. Current PSA 10 gem rate is 18.6% based on 145 graded copies. PSA 10 sales average $1149.94 vs a raw market of $10.69. Expected value of grading: $144.32 (143% ROI). Verdict: Grade It.

Should You Grade Psyduck?

SM Black Star Promos · #SM199 · Promo

Default-tier verdict

Grade It+$144 (+143% ROI)

Based on raw market $10.69, PSA 10 $1149.94, gem rate 18.6% (145 graded). Adjust inputs below for your card's exact condition.

About this calculator

This page computes the expected value (EV) of submitting Psyduck #SM199 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 102718.6%
PSA 97350.3%
PSA 83725.5%
PSA 742.8%