Should You Grade Mawile #9 from Sandstorm?
Free PSA grading EV calculator pre-loaded with live market data for Mawile #9. Current PSA 10 gem rate is 17.3% based on 248 graded copies. PSA 10 sales average $1000.00 vs a raw market of $49.99. Expected value of grading: $137.06 (114% ROI). Verdict: Grade It.
Sandstorm · #9 · Rare Holo
Default-tier verdict
Grade It+$137 (+114% ROI)
Based on raw market $49.99, PSA 10 $1000.00, gem rate 17.3% (248 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Mawile #9 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 | 43 | 17.3% |
| PSA 9 | 115 | 46.4% |
| PSA 8 | 58 | 23.4% |
| PSA 7 | 19 | 7.7% |
