Phathom Pharmaceuticals (PHAT)'s 30-day implied volatility (IV30) was 74.5% at the close on November 6, 2026, up from 70.6% the day before, against a 52-week range of 37.2% to 123.4%. Its 20-day historical volatility was 79.9%.

Key numbers

30-day implied volatility (IV30): 74.5%
IV30 52-week range: 37.2% to 123.4% (median 72.9%)
Historical volatility: 20-day 79.9%, 1-year 69.1%
Implied move by the nearest expiration: ±2.9%

Data as of November 6, 2026.

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

Name: PHAT Implied Volatility
Creator: Market Chameleon