Companhia Siderurgica Nacional S.A. (SID) Options Chain
NYSE: SIDIndustrialsSteel/Iron OreUSD
Market open · Delayed 15 min · as of Oct 9, 10:21 AM ET
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 7
- Share price
- $1.26
- Put/call ratio (OI)
- 0.03
- Put/call ratio (volume)
- 1.39
- ATM implied volatility
- 471.1%
- Expected move
- ±$0.8188
- Open interest (C / P)
- 1.36K / 38
SID options summary
The SID options chain for the October 16, 2026 expiration lists 5 call and 3 put contracts, with 7 days until expiration. Open interest stands at 1,361 calls and 38 puts, a put/call ratio of 0.03, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $1.50 strike is 471.1%, which implies the market expects a move of about ±$0.8188 (65.2%) in Companhia Siderurgica Nacional S.A. stock by expiration.
The most open interest sits at the $2.00 call (600 contracts) and the $1.00 put (32 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
SID options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.75 | 0.30 | 1.30 | 0.50 | 0.00 | 0.05 | 0.17 | |||||
| 0.34 | 0.00 | 0.85 | 1.00 | 0.00 | 0.10 | 0.05 | |||||
| 0.05 | 0.00 | 0.55 | 1.50 | 0.00 | 1.00 | 0.30 | |||||
| 0.05 | 0.00 | 0.05 | 2.00 | — | — | — | |||||
| 0.07 | 0.00 | 0.20 | 7.50 | — | — | — | |||||
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 the SID put/call ratio?
For the October 16, 2026 expiration, the SID put/call ratio based on open interest is 0.03 (38 puts vs 1,361 calls), and 1.39 based on today's volume. A ratio above 1 means more puts than calls.
What is SID's implied volatility?
At-the-money implied volatility for SID options expiring October 16, 2026 is about 471.1%, an annualized estimate of how much the market expects Companhia Siderurgica Nacional S.A. stock to move.
How many SID option expiration dates are there?
SID has 4 listed expiration dates, from Oct 16, 2026 to Mar 19, 2027.
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.