Ribbon Communications (RBBN)'s 30-day implied volatility (IV30) was 69.4% at the close on November 4, 2026, up from 68.9% the day before, against a 52-week range of 30.6% to 109.5%. Its 20-day historical volatility was 78.3%.

Key numbers

30-day implied volatility (IV30): 69.4%
IV30 52-week range: 30.6% to 109.5% (median 52.2%)
Historical volatility: 20-day 78.3%, 1-year 60.4%
Implied move by the nearest expiration: ±4.3%

Data as of November 4, 2026.

RBBN Implied Volatility (IV) vs Historical Volatility (HV)

Name: RBBN Implied Volatility
Creator: Market Chameleon