Constellium SE

CSTMNYSE · USD
24.89USD0.00 (+1.06%)
1079

Constellium SE (CSTM) Historical Volatility

CSTM 30-day historical volatility is 36%. This ranks in the 14th percentile of readings over the past year.

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Tracking CSTM historical volatility helps you see how much Constellium SE's stock price has actually moved over past periods, giving you a baseline to judge whether current option premiums are fair, cheap, or expensive. While implied volatility tells you what the market expects, Constellium SE's HV tells you what really happened. Use our scanner to monitor CSTM 30 day historical volatility alongside longer lookback windows and spot the moments when realized and implied diverge.

Historical volatility is the annualized standard deviation of an underlying's past returns, typically measured over rolling windows like 10, 20, 30, or 60 days. The CSTM 30 day historical volatility is one of the most widely watched readings because it balances responsiveness with stability. Comparing Constellium SE's HV to its implied volatility reveals the volatility risk premium — when IV sits well above HV, option sellers tend to have an edge; when HV runs hot relative to IV, buyers may be underpaying for movement.

Constellium SE, together with its subsidiaries, engages in the design, manufacture, and sale of specialty rolled and extruded aluminum products for the packaging, aerospace, and automotive end-markets. The company operates through three segments: Packaging & Automotive Rolled Products, Aerospace & Transportation, and Automotive Structures & Industry. The Packaging & Automotive Rolled Products segment produces rolled aluminum products, including can stock and closure stock for the beverage and food industry, as well as foil stock for the flexible packaging market. It also supplies automotive body sheets and heat exchangers for the automotive market; and specialty reflective sheets.

The Aerospace & Transportation segment provides rolled aluminum products, including aerospace plates, sheets, and extrusions; and aerospace wing skins, as well as plates and sheets for use in transportation, industry, and defense applications. The Automotive Structures & Industry segment offers extruded products and technologically advanced structures for the automotive industry, including crash-management systems, body structures, side impact beams, and battery enclosures; and hard and soft alloy extruded profiles for various industry applications in the automotive, engineering, rail, and other transportation end markets. This segment also provides downstream technology and services, which include pre-machining, surface treatment, research and development, and technical support services. The company sells its products directly or through distributors in France, Germany, the Czech Republic, the United Kingdom, Switzerland, and the United States, as well as Shanghai, and Seoul. Constellium SE was incorporated in 2010 and is headquartered in Paris, France.

Sizing a long premium trade, modeling a covered call, or hunting volatility arbitrage all come back to one question: how much has the stock actually moved? Our scanner puts Constellium SE's historical volatility side-by-side with implied readings across every lookback window, so you can see exactly where CSTM HV is running hot, cold, or in line. Make the CSTM 30 day historical volatility — and every other window — work for your edge instead of against it.

IV vs HV
Implied Volatility (IV) vs Historical Volatility (HV) over the past month.

As of September 25, 2026

IV - HV Difference
Difference between IV and HV over time. Positive values indicate IV > HV.

As of September 25, 2026

See how volatility has moved over time

Track CSTM historical volatility, spot where IV and realized volatility diverge, and find options that are priced in your favor right now.

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