Spire Global Class A (SPIR)'s 30-day implied volatility (IV30) was 86.5% at the close on November 5, 2026, up from 84.2% the day before, against a 52-week range of 63.8% to 138.7%. Its 20-day historical volatility was 60.2%.

Key numbers

30-day implied volatility (IV30): 86.5%
IV30 52-week range: 63.8% to 138.7% (median 85.8%)
Historical volatility: 20-day 60.2%, 1-year 95.1%
Implied move by the nearest expiration: ±5.6%

Data as of November 5, 2026.

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

Name: SPIR Implied Volatility
Creator: Market Chameleon