SR 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

SR 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 SR's one-year implied volatility range?

Over the past year, Spire 30-day implied volatility ranged from 13.9% on Feb 25, 2026 to 168.9% on Jul 17, 2026.

How has SR implied volatility changed recently?

Spire 30-day implied volatility went from 33.7% on Oct 7, 2026 to 25.6% on Nov 4, 2026. See the SR implied volatility history for a longer view.

What is Spire Inc?

Spire Inc. is the holding company for Spire Missouri, Spire Alabama, other gas utilities, and gas-related businesses, focused on growing organically, investing in infrastructure, and advancing through innovation.