Ferroglobe (GSM)
NASDAQ: GSM
· Real-Time Price · USD
4.13
-0.11 (-2.59%)
At close: Aug 14, 2025, 3:59 PM
4.05
-2.06%
After-hours: Aug 14, 2025, 05:47 PM EDT
GSM Option Overview
Overview for all option chains of GSM. As of August 15, 2025, GSM options have an IV of 500% and an IV rank of 423.44%. The volume is 172 contracts, which is 10.53% of average daily volume of 1,633 contracts. The volume put-call ratio is 0, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
500%IV Rank
423.44%Historical Volatility
56.3%IV Low
45.29% on Sep 20, 2024IV High
152.68% on Aug 08, 2025Open Interest (OI)
Today's Open Interest
62,249Put-Call Ratio
0.27Put Open Interest
13,165Call Open Interest
49,084Open Interest Avg (30-day)
51,737Today vs Open Interest Avg (30-day)
120.32%Option Volume
Today's Volume
172Put-Call Ratio
0Put Volume
0Call Volume
172Volume Avg (30-day)
1,633Today vs Volume Avg (30-day)
10.53%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 |
| Aug 15, 2025 | 5 | 0 | 0 | 26,096 | 132 | 0.01 | 500% | 4 |
| Sep 19, 2025 | 4 | 0 | 0 | 10,712 | 2,288 | 0.21 | 100.17% | 4 |
| Oct 17, 2025 | 0 | 0 | 0 | 0 | 0 | 0 | 85.46% | 1 |
| Dec 19, 2025 | 150 | 0 | 0 | 3,465 | 10,299 | 2.97 | 64.9% | 4 |
| Jan 16, 2026 | 7 | 0 | 0 | 7,489 | 300 | 0.04 | 94.11% | 3 |
| Feb 20, 2026 | 0 | 0 | 0 | 463 | 0 | 0 | 51.3% | 1 |
| Mar 20, 2026 | 0 | 0 | 0 | 257 | 145 | 0.56 | 52.8% | 4 |
| Jun 18, 2026 | 0 | 0 | 0 | 381 | 0 | 0 | 49.74% | 1 |
| Dec 18, 2026 | 6 | 0 | 0 | 221 | 1 | 0 | 47.41% | 4 |