Gerdau S.A. (GGB) Options Chain
NYSE: GGBIndustrialsSteel/Iron OreUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $5.12
- Put/call ratio (OI)
- 0.01
- Put/call ratio (volume)
- 0.00
- ATM implied volatility
- 102.3%
- Expected move
- ±$1.73
- Open interest (C / P)
- 85 / 1
GGB options summary
The GGB options chain for the November 20, 2026 expiration lists 2 call and 1 put contracts, with 40 days until expiration. Open interest stands at 85 calls and 1 puts, a put/call ratio of 0.01, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $5.00 strike is 102.3%, which implies the market expects a move of about ±$1.73 (33.9%) in Gerdau S.A. stock by expiration.
The most open interest sits at the $5.00 call (53 contracts) and the $2.50 put (1 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
GGB options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 2.65 | 2.00 | 3.20 | 2.50 | 0.00 | 0.75 | 0.10 | |||||
| 0.32 | 0.05 | 0.75 | 5.00 | — | — | — | |||||
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 GGB put/call ratio?
For the November 20, 2026 expiration, the GGB put/call ratio based on open interest is 0.01 (1 puts vs 85 calls), and 0.00 based on today's volume. A ratio above 1 means more puts than calls.
What is GGB's implied volatility?
At-the-money implied volatility for GGB options expiring November 20, 2026 is about 102.3%, an annualized estimate of how much the market expects Gerdau S.A. stock to move.
How many GGB option expiration dates are there?
GGB 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.