NOC implied volatility
From the closing options book · October 20, 2026 · updated after every close
NOC's at-the-money implied volatility was 26.7% at the October 20, 2026 close. Over the past 260 sessions it ranged from 15.3% to 47.2%, putting today's level at an IV rank of 36 and IV percentile of 26.
NOC at-the-money IV, last 60 sessions
Options were pricing less movement than NOC actually delivered over the last 20 sessions (26.7% implied against 32.5% realized).
IV rank places today's IV between the period's low (0) and high (100); IV percentile is the share of sessions with lower IV. Both use NOC's own closing history.
These are the October 20, 2026 closing numbers. Members see NOC's map move live all session.
Common questions
26.7% at the money at the October 20, 2026 close.
36 over the past 260 sessions (IV percentile 26).
Its IV percentile is 26: low against its own past year.
Compare: implied volatility on other tickers
Measured from the closing options book and rebuilt after every close. Nothing on this page is live. Levels are where dealer hedging is concentrated, not targets or forecasts. Not investment advice.