Should You Grade Magikarp & Wailord-GX #SM166 from SM Black Star Promos?
Free PSA grading EV calculator pre-loaded with live market data for Magikarp & Wailord-GX #SM166. Current PSA 10 gem rate is 18.5% based on 54 graded copies. PSA 10 sales average $56105.00 vs a raw market of $83.06. Expected value of grading: $9583.55 (843% ROI). Verdict: Grade It.
SM Black Star Promos · #SM166 · Promo
Default-tier verdict
Grade It+$9584 (+843% ROI)
Based on raw market $83.06, PSA 10 $56105.00, gem rate 18.5% (54 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Magikarp & Wailord-GX #SM166 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 | 10 | 18.5% |
| PSA 9 | 5 | 9.3% |
| PSA 8 | 5 | 9.3% |
| PSA 7 | 3 | 5.6% |
