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Ferroglobe PLC Ordinary Shares GSM 2.87 0.11 3.99%

Previous-day view · Wed Nov 11 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 GSM.

Volatility premium

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

Earnings: priced against what happened

Average implied move
±10.42%
Average actual move
7.07%
Beyond the implied move
0 / 2
Reaction session Implied Actual Used ATM IV before → after
August 06, 2025 ±13.00% +9.16% 0.70× —
February 20, 2025 ±7.85% -4.97% 0.63× —
Reconstructed from archived mid quotes; the straddle covers its expiration, not only the reaction session. These are not option returns. Method and missing reports →