Ribbon Communications (RBBN)'s 30-day implied volatility (IV30) was 65.5% at the close on October 22, 2026, up from 65.2% the day before, against a 52-week range of 30.6% to 109.5%. Its 20-day historical volatility was 71.6%.

Key numbers

30-day implied volatility (IV30): 65.5%
IV30 52-week range: 30.6% to 109.5% (median 51.0%)
Historical volatility: 20-day 71.6%, 1-year 59.4%
Implied move by the nearest expiration: ±4.1%

Data as of October 22, 2026.

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

Name: RBBN Implied Volatility
Creator: Market Chameleon