Brazil Potash (GRO) Options Chain
NYSE: GROIndustrialsMining & Quarrying of Nonmetallic Minerals (No Fuels)USD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $2.14
- Put/call ratio (OI)
- 7.85
- Put/call ratio (volume)
- 0.05
- Expected move
- ±$0.5341
- Open interest (C / P)
- 602 / 4.73K
GRO options summary
The GRO options chain for the November 20, 2026 expiration lists 3 call and 2 put contracts, with 40 days until expiration. Open interest stands at 602 calls and 4,727 puts, a put/call ratio of 7.85, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $2.50 strike is 75.4%, which implies the market expects a move of about ±$0.5341 (25.0%) in Brazil Potash stock by expiration.
The most open interest sits at the $2.50 call (532 contracts) and the $2.50 put (4.73K contracts).
Summary generated from market data by MetaCap's automated system. Methodology
GRO options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.20 | 0.00 | 0.20 | 2.50 | 0.35 | 0.55 | 0.45 | |||||
| 0.10 | 0.00 | 0.10 | 5.00 | 0.00 | 0.00 | 3.20 | |||||
| 0.40 | 0.00 | 0.30 | 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 GRO put/call ratio?
For the November 20, 2026 expiration, the GRO put/call ratio based on open interest is 7.85 (4,727 puts vs 602 calls), and 0.05 based on today's volume. A ratio above 1 means more puts than calls.
What is GRO's implied volatility?
At-the-money implied volatility for GRO options expiring November 20, 2026 is about 75.4%, an annualized estimate of how much the market expects Brazil Potash stock to move.
How many GRO option expiration dates are there?
GRO has 4 listed expiration dates, from Oct 16, 2026 to May 21, 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.