Ferroglobe (GSM)
NASDAQ: GSM
· Real-Time Price · USD
4.28
0.10 (2.39%)
At close: Sep 05, 2025, 3:59 PM
4.28
0.00%
After-hours: Sep 05, 2025, 04:41 PM EDT
GSM Option Overview
Overview for all option chains of GSM. As of September 06, 2025, GSM options have an IV of 97.91% and an IV rank of 58.21%. The volume is 394 contracts, which is 74.2% of average daily volume of 531 contracts. The volume put-call ratio is 3.24, indicating a bearish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
97.91%IV Rank
58.21%Historical Volatility
51.86%IV Low
45.29% on Sep 20, 2024IV High
135.68% on Apr 04, 2025Open Interest (OI)
Today's Open Interest
37,271Put-Call Ratio
0.55Put Open Interest
13,272Call Open Interest
23,999Open Interest Avg (30-day)
36,509Today vs Open Interest Avg (30-day)
102.09%Option Volume
Today's Volume
394Put-Call Ratio
3.24Put Volume
301Call Volume
93Volume Avg (30-day)
531Today vs Volume Avg (30-day)
74.2%Option Chain Statistics
This table provides a comprehensive overview of all GSM options grouped by their expiration dates.
| Expiration | Call Vol | Put Vol | P/C Vol | Call OI | Put OI | P/C OI | Implied Volatility | Max Pain |
| Sep 19, 2025 | 12 | 300 | 25 | 10,764 | 2,506 | 0.23 | 97.91% | 4 |
| Oct 17, 2025 | 7 | 1 | 0.14 | 86 | 1 | 0.01 | 68.12% | 3 |
| Dec 19, 2025 | 50 | 0 | 0 | 3,764 | 10,299 | 2.74 | 62.76% | 4 |
| Jan 16, 2026 | 21 | 0 | 0 | 6,366 | 320 | 0.05 | 52.74% | 3 |
| Feb 20, 2026 | 0 | 0 | 0 | 473 | 0 | 0 | 51.21% | 1 |
| Mar 20, 2026 | 0 | 0 | 0 | 1,757 | 145 | 0.08 | 55.16% | 4 |
| Jun 18, 2026 | 0 | 0 | 0 | 551 | 0 | 0 | 51.65% | 1 |
| Dec 18, 2026 | 3 | 0 | 0 | 238 | 1 | 0 | 51.51% | 1 |