Harmonic (HLIT)'s 30-day implied volatility (IV30) was 90.1% at the close on October 23, 2026, down from 91.6% the day before, against a 52-week range of 23.2% to 137.2%. Its 20-day historical volatility was 51.4%.
Key numbers
30-day implied volatility (IV30): 90.1%
IV30 52-week range: 23.2% to 137.2% (median 52.9%)
Historical volatility: 20-day 51.4%, 1-year 51.1%
Implied move by the nearest expiration: ±5.8%
Data as of October 23, 2026.
HLIT Implied Volatility (IV) vs Historical Volatility (HV)
The HLIT IV term structure shows the implied volatility difference between different maturity dates.