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Constellium SE Class A Ordinary CSTM 21.81 0.82 3.91%

Previous-day view · Fri Nov 6 close. You are previewing the previous trading day. Subscribe to see today live and every other date — Trader is $59/mo. Sign up Sign in

Expected move

No chain in the last ten days can size a move for CSTM.

Volatility premium

Beta
The forecast is for the current session, which this plan does not open.

Earnings: priced against what happened

Average implied move
±11.33%
Average actual move
11.87%
Beyond the implied move
1 / 2
Median IV change
-34.40%
Reaction session Implied Actual Used ATM IV before → after
February 18, 2026 ±10.25% +9.53% 0.93× —
February 20, 2025 ±12.40% +14.22% 1.15× —
Reconstructed from archived mid quotes; the straddle covers its expiration, not only the reaction session. These are not option returns. Method and missing reports →