Options Chain for FERROGLOBE PLC SHS (GSM) - $4.26 as of 9/18/2026 7:37:25 PM EST
Calls
| Strike | Bid | Ask | Premium | Last Price | Change | %Chg | Premium to Strike Price Ratio | Volume | Open Interest | IV | Delta | Gamma | Theta | Last Trade | Last Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.00 | 2.60 | 3.90 | 3.25 | % | 3.25 | 0 | 0 | 0.00 | 1.00 | 0.00 | 0.00 | 9/18/2026 3:59:58 PM EST | |||
| 2.00 | 1.95 | 2.90 | 2.43 | % | 1.22 | 0 | 0 | 5.12 | 1.00 | 0.00 | 0.00 | 9/18/2026 3:59:58 PM EST | |||
| 3.00 | 0.55 | 1.90 | 1.23 | % | 0.41 | 0 | 0 | 3.13 | 0.90 | 0.14 | 0.00 | 9/18/2026 3:59:58 PM EST | |||
| 4.00 | 0.30 | 0.85 | 0.58 | 0.65 | -0.05 | -7.15% | 0.14 | 32 | 4 | 1.08 | 0.61 | 0.32 | -0.01 | 9/18/2026 | 9/18/2026 3:59:58 PM EST |
| 5.00 | 0.00 | 0.75 | 0.38 | 0.16 | 0.00 | 0.00% | 0.08 | 0 | 37 | 2.19 | 0.30 | 0.30 | -0.01 | 9/9/2026 | 9/18/2026 3:59:58 PM EST |
| 6.00 | 0.00 | 0.70 | 0.35 | % | 0.06 | 0 | 0 | 2.59 | 0.12 | 0.18 | 0.00 | 9/18/2026 3:59:58 PM EST | |||
| 7.00 | 0.00 | 0.70 | 0.35 | % | 0.05 | 0 | 0 | 2.97 | 0.04 | 0.08 | 0.00 | 9/18/2026 3:59:58 PM EST | |||
| 8.00 | 0.00 | 0.70 | 0.35 | % | 0.04 | 0 | 0 | 3.27 | 0.01 | 0.03 | 0.00 | 9/18/2026 3:59:58 PM EST |
Puts
| Strike | Bid | Ask | Premium | Last Price | Change | %Chg | Premium to Strike Price Ratio | Volume | Open Interest | IV | Delta | Gamma | Theta | Last Trade | Last Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1.00 | 0.00 | 0.70 | 0.35 | % | 0.35 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 9/18/2026 3:59:58 PM EST | |||
| 2.00 | 0.00 | 0.70 | 0.35 | % | 0.17 | 0 | 0 | 5.18 | 0.00 | 0.00 | 0.00 | 9/18/2026 3:59:58 PM EST | |||
| 3.00 | 0.00 | 0.10 | 0.05 | % | 0.02 | 0 | 0 | 1.23 | -0.10 | 0.14 | 0.00 | 9/18/2026 3:59:58 PM EST | |||
| 4.00 | 0.00 | 0.75 | 0.38 | 0.16 | 0.00 | 0.00% | 0.10 | 0 | 1,335 | 1.91 | -0.39 | 0.32 | -0.01 | 9/9/2026 | 9/18/2026 3:59:58 PM EST |
| 5.00 | 0.20 | 1.50 | 0.85 | 0.90 | 0.00 | 0.00% | 0.17 | 0 | 19 | 2.13 | -0.70 | 0.30 | -0.01 | 9/16/2026 | 9/18/2026 3:59:58 PM EST |
| 6.00 | 1.40 | 2.10 | 1.75 | % | 0.29 | 0 | 0 | 1.74 | -0.88 | 0.18 | 0.00 | 9/18/2026 3:59:58 PM EST | |||
| 7.00 | 2.10 | 3.30 | 2.70 | % | 0.39 | 0 | 0 | 2.58 | -0.96 | 0.08 | 0.00 | 9/18/2026 3:59:58 PM EST | |||
| 8.00 | 3.10 | 4.30 | 3.70 | % | 0.46 | 0 | 0 | 2.88 | -0.99 | 0.03 | 0.00 | 9/18/2026 3:59:58 PM EST |