Should You Grade Slaking #13 from Power Keepers?
Free PSA grading EV calculator pre-loaded with live market data for Slaking #13. Current PSA 10 gem rate is 21.9% based on 224 graded copies. PSA 10 sales average $610.91 vs a raw market of $6.45. Expected value of grading: $100.42 (131% ROI). Verdict: Grade It.
Power Keepers · #13 · Rare Holo
Default-tier verdict
Grade It+$100 (+131% ROI)
Based on raw market $6.45, PSA 10 $610.91, gem rate 21.9% (224 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Slaking #13 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 | 49 | 21.9% |
| PSA 9 | 103 | 46.0% |
| PSA 8 | 53 | 23.7% |
| PSA 7 | 12 | 5.4% |
