Ferroglobe (GSM) Options Chain
NASDAQ: GSMBasic MaterialsMetal MiningUSD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 7
- Share price
- $4.19
- Put/call ratio (volume)
- 3.50
- Expected move
- ±$0.0725
- Open interest (C / P)
- 0 / 0
GSM options summary
The GSM options chain for the October 16, 2026 expiration lists 2 call and 3 put contracts, with 7 days until expiration. At-the-money implied volatility near the $4.00 strike is 12.5%, which implies the market expects a move of about ±$0.0725 (1.7%) in Ferroglobe stock by expiration. The most open interest sits at the $4.00 call (0 contracts) and the $4.00 put (0 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
GSM options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.25 | 0.00 | 0.00 | 4.00 | 0.00 | 0.00 | 0.10 | |||||
| 0.05 | 0.00 | 0.00 | 5.00 | 0.00 | 0.00 | 0.79 | |||||
| — | — | — | 6.00 | 0.00 | 0.00 | 1.82 | |||||
In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.
Frequently asked questions
What is GSM's implied volatility?
At-the-money implied volatility for GSM options expiring October 16, 2026 is about 12.5%, an annualized estimate of how much the market expects Ferroglobe stock to move.
How many GSM option expiration dates are there?
GSM has 6 listed expiration dates, from Oct 16, 2026 to Jan 21, 2028.
What does "in the money" mean?
A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.