Clearfield (CLFD)'s 30-day implied volatility (IV30) was 62.9% at the close on October 21, 2026, up from 58.9% the day before, against a 52-week range of 27.0% to 93.2%. Its 20-day historical volatility was 47.4%.
Key numbers
30-day implied volatility (IV30): 62.9%
IV30 52-week range: 27.0% to 93.2% (median 50.1%)
Historical volatility: 20-day 47.4%, 1-year 57.9%
Implied move by the nearest expiration: ±3.7%
Data as of October 21, 2026.
CLFD Implied Volatility (IV) vs Historical Volatility (HV)
The CLFD IV term structure shows the implied volatility difference between different maturity dates.