STM Volatility Skew

The Implied Volatility Skew Chart offers a visual representation of the implied volatility (IV). The chart displays the strikes on the x-axis and the IV on the y-axis, making it easy to see the level of volatility for each option.

Implied volatility is a measure of the expected volatility of a security's price. Volatility skew refers to the difference in implied volatility between different options for the same security. Understanding the volatility skew can be helpful for option traders, as it provides insight into the market's expectations for the security's future price movements.

You can filter the chart by calls or puts and can click on a point on the chart to navigate to the option's page.

Sources:

"What Is Volatility Skew in Trading? Reverse and Forward Skews". Investopedia. https://www.investopedia.com/terms/v/volatility-skew.asp.

Implied Volatility Stats

STM Volatility Skew FAQ

What is volatility skew?

Volatility skew is the difference in implied volatility between options at different strike prices. A steeper skew means traders are paying more for options on one side, usually downside puts used as protection.

What is STM's one-year implied volatility range?

Over the past year, STMicroelectronics 30-day implied volatility ranged from 30.0% on Dec 23, 2025 to 155.6% on Jan 16, 2026.

How has STM implied volatility changed recently?

STMicroelectronics 30-day implied volatility went from 65.5% on Oct 7, 2026 to 55.5% on Nov 4, 2026. See the STM implied volatility history for a longer view.

What is STMicroelectronics N.V.?

A merger between Italian firm SGS Microelettronica and the nonmilitary business of Thomson Semiconducteurs in France formed STMicroelectronics in 1987.