Should You Grade Zekrom ex #166 from Black Bolt?
Free PSA grading EV calculator pre-loaded with live market data for Zekrom ex #166. Current PSA 10 gem rate is 61.7% based on 10,365 graded copies. PSA 10 sales average $367.50 vs a raw market of $218.75. Expected value of grading: $20.46 (7% ROI). Verdict: Sell raw.
Black Bolt · #166 · Special Illustration Rare
Default-tier verdict
Sell raw+$20 (+7% ROI)
Based on raw market $218.75, PSA 10 $367.50, gem rate 61.7% (10,365 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Zekrom ex #166 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 | 6,392 | 61.7% |
| PSA 9 | 3,413 | 32.9% |
| PSA 8 | 404 | 3.9% |
| PSA 7 | 90 | 0.9% |