Should You Grade Whirlipede #133 from Black Bolt?
Free PSA grading EV calculator pre-loaded with live market data for Whirlipede #133. Current PSA 10 gem rate is 21.8% based on 252 graded copies. PSA 10 sales average $188.83 vs a raw market of $6.42. Expected value of grading: $-20.24 (-26% ROI). Verdict: Sell raw.
Black Bolt · #133 · Illustration Rare
Default-tier verdict
Sell raw$-20 (-26% ROI)
Based on raw market $6.42, PSA 10 $188.83, gem rate 21.8% (252 graded). Adjust inputs below for your card's exact condition.
About this calculator
This page computes the expected value (EV) of submitting Whirlipede #133 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 | 55 | 21.8% |
| PSA 9 | 149 | 59.1% |
| PSA 8 | 40 | 15.9% |
| PSA 7 | 8 | 3.2% |
