Garmin Ltd. Common (Switzerland) (GRMN)'s 30-day implied volatility (IV30) was 42.0% at the close on October 16, 2026, up from 41.8% the day before, against a 52-week range of 21.7% to 51.7%. Its 20-day historical volatility was 27.7%.

Key numbers

30-day implied volatility (IV30): 42.0%
IV30 52-week range: 21.7% to 51.7% (median 29.5%)
Historical volatility: 20-day 27.7%, 1-year 28.8%
Implied move by the nearest expiration: ±1.5%

Data as of October 16, 2026.

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

Name: GRMN Implied Volatility
Creator: Market Chameleon