Should You Grade Marshtomp #15 from POP Series 3?
Free PSA grading EV calculator pre-loaded with live market data for Marshtomp #15. Current PSA 10 gem rate is 17.2% based on 58 graded copies. PSA 10 sales average $525.90 vs a raw market of $6.74. Expected value of grading: $45.43 (59% ROI). Verdict: Grade It.
POP Series 3 · #15 · Common
Default-tier verdict
Grade It+$45 (+59% ROI)
Based on raw market $6.74, PSA 10 $525.90, gem rate 17.2% (58 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Marshtomp #15 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 | 17.2% |
| PSA 9 | 28 | 48.3% |
| PSA 8 | 13 | 22.4% |
| PSA 7 | 3 | 5.2% |
