TECL implied volatility
From the closing options book · October 20, 2026 · updated after every close
TECL's at-the-money implied volatility was 79.7% at the October 20, 2026 close. Over the past 196 sessions it ranged from 55.4% to 335.3%, putting today's level at an IV rank of 9 and IV percentile of 44.
TECL at-the-money IV, last 60 sessions
Options were pricing more movement than TECL actually delivered over the last 20 sessions (79.7% implied against 60.7% 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 TECL's own closing history.
These are the October 20, 2026 closing numbers. Members see TECL's map move live all session.
Common questions
79.7% at the money at the October 20, 2026 close.
9 over the past 196 sessions (IV percentile 44).
Its IV percentile is 44: middling 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.