Ferroglobe PLC Ordinary Shares GSM 4.16 -0.02 -0.48%
GSM Historical Options Analysis
Explore GSM (Ferroglobe PLC Ordinary Shares) historical options data, volatility, Greeks and positioning. Compare signals over time in the free Historical Lab preview.
Window
Scale
Plotted 3/8
Metric library
Volatility
Interactive timeline
GSM / Comparative study
3 signals / 507 sessions
Window statistics
Signal snapshot
Current value vs. selected history
IV Rank
z -0.57
13.82
Mean
27.88
Window
-64.4%
ATM IV
z -0.15
0.71
Mean
0.78
Window
+60.6%
IV Percentile
z -1.34
28.02
Mean
64.9
Window
-33.9%
Relationship matrix
Correlation
Pearson r
| Signal | IV Rank | ATM IV | IV Percent... |
|---|---|---|---|
| IV Rank | 1.00 | 0.59 | 0.69 |
| ATM IV | 0.59 | 1.00 | 0.58 |
| IV Percent... | 0.69 | 0.58 | 1.00 |
Source observations
Data inspector
1-50 of 507
- 1 / 11
| Date | Close | IV Rank | ATM IV | IV Percentile |
|---|---|---|---|---|
| 2026-09-21 | 4.16 | 13.82 | 0.71 | 28.02 |
| 2026-09-18 | 4.18 | 15.51 | 0.8 | 44.57 |
| 2026-09-17 | 4.26 | 16.54 | 0.85 | 57.75 |
| 2026-09-16 | 4.32 | 16 | 0.82 | 50.39 |
| 2026-09-15 | 4.33 | 15.96 | 0.82 | 49.61 |
| 2026-09-14 | 4.22 | 14.4 | 0.74 | 34.24 |
| 2026-09-11 | 4.28 | 12.41 | 0.64 | 16.67 |
| 2026-09-10 | 4.46 | 14.11 | 0.73 | 32.17 |
| 2026-09-09 | 4.49 | 14.07 | 0.72 | 32.17 |
| 2026-09-08 | 4.52 | 16.03 | 0.82 | 51.16 |
| 2026-09-07 | 4.66 | 16.61 | 0.85 | 58.37 |
| 2026-09-04 | 4.67 | 16.44 | 0.85 | 56.59 |
| 2026-09-03 | 4.53 | 16.71 | 0.86 | 58.91 |
| 2026-09-02 | 4.52 | 16.5 | 0.85 | 58.14 |
| 2026-09-01 | 4.03 | 16.08 | 0.83 | 53.7 |
| 2026-08-31 | 4.11 | 16.51 | 0.85 | 58.2 |
| 2026-08-28 | 4.07 | 14.57 | 0.75 | 38.91 |
| 2026-08-27 | 4.05 | 13.39 | 0.69 | 29.18 |
| 2026-08-26 | 4.07 | 12.44 | 0.64 | 20.62 |
| 2026-08-25 | 4.01 | 11.83 | 0.61 | 15.95 |
| 2026-08-24 | 4.05 | 14.27 | 0.73 | 35.94 |
| 2026-08-21 | 4.08 | 15.4 | 0.79 | 47.86 |
| 2026-08-20 | 3.85 | 12 | 0.62 | 18.29 |
| 2026-08-19 | 4.05 | 10.85 | 0.56 | 11.28 |
| 2026-08-18 | 4.16 | 12.89 | 0.66 | 26.07 |
| 2026-08-17 | 4.29 | 14.15 | 0.73 | 35.94 |
| 2026-08-14 | 4.39 | 13.85 | 0.71 | 35.02 |
| 2026-08-13 | 4.38 | 14.92 | 0.77 | 43.97 |
| 2026-08-12 | 4.45 | 12.32 | 0.63 | 22.57 |
| 2026-08-11 | 4.57 | 14.56 | 0.75 | 39.3 |
| 2026-08-10 | 4.63 | 18.08 | 0.93 | 70.7 |
| 2026-08-07 | 4.49 | 19.12 | 0.98 | 77.04 |
| 2026-08-06 | 4.13 | 14.32 | 0.74 | 38.91 |
| 2026-08-05 | 4.15 | 12.02 | 0.62 | 22.18 |
| 2026-08-04 | 3.42 | 15.95 | 0.82 | 52.92 |
| 2026-08-03 | 3.25 | 29.45 | 1.51 | 95.31 |
| 2026-07-31 | 3.18 | 31.41 | 1.61 | 96.11 |
| 2026-07-30 | 3.21 | 27.89 | 1.43 | 94.55 |
| 2026-07-29 | 3.16 | 29.22 | 1.5 | 95.72 |
| 2026-07-28 | 3.36 | 24.58 | 1.26 | 93 |
| 2026-07-27 | 3.3 | 26.82 | 1.38 | 94.92 |
| 2026-07-24 | 3.36 | 22.76 | 1.17 | 90.66 |
| 2026-07-23 | 3.35 | 22.57 | 1.16 | 90.66 |
| 2026-07-22 | 3.42 | 20.86 | 1.07 | 86.38 |
| 2026-07-21 | 3.4 | 21.07 | 1.08 | 87.16 |
| 2026-07-20 | 3.32 | 22.03 | 1.13 | 89.45 |
| 2026-07-17 | 3.35 | 20.53 | 1.06 | 86.38 |
| 2026-07-16 | 3.35 | 20.24 | 1.04 | 85.21 |
| 2026-07-15 | 3.36 | 19.79 | 1.02 | 83.27 |
| 2026-07-14 | 3.44 | 18.19 | 0.93 | 77.43 |