Should You Grade Adventure Bag #228 from Lost Thunder?
Free PSA grading EV calculator pre-loaded with live market data for Adventure Bag #228. Current PSA 10 gem rate is 38.8% based on 80 graded copies. PSA 10 sales average $131.48 vs a raw market of $9.56. Expected value of grading: $19.90 (25% ROI). Verdict: Decent — proceed with caution.
Lost Thunder · #228 · Rare Secret
Default-tier verdict
Decent — proceed with caution+$20 (+25% ROI)
Based on raw market $9.56, PSA 10 $131.48, gem rate 38.8% (80 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Adventure Bag #228 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 | 31 | 38.8% |
| PSA 9 | 31 | 38.8% |
| PSA 8 | 12 | 15.0% |
| PSA 7 | 3 | 3.8% |
