Antero Midstream (AM) Options Chain
NYSE: AMUtilitiesNatural Gas DistributionUSD
At close: Oct 8, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 7
- Share price
- $21.19
- Put/call ratio (volume)
- 1.03
- Expected move
- ±$0.0918
- Open interest (C / P)
- 0 / 0
AM options summary
The AM options chain for the October 16, 2026 expiration lists 9 call and 9 put contracts, with 7 days until expiration. At-the-money implied volatility near the $21.00 strike is 3.1%, which implies the market expects a move of about ±$0.0918 (0.4%) in Antero Midstream stock by expiration. The most open interest sits at the $18.00 call (0 contracts) and the $18.00 put (0 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
AM options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 3.80 | 0.00 | 0.00 | 18.00 | 0.00 | 0.00 | 0.08 | |||||
| 1.47 | 0.00 | 0.00 | 19.00 | 0.00 | 0.00 | 0.18 | |||||
| 0.80 | 0.00 | 0.00 | 20.00 | 0.00 | 0.00 | 0.10 | |||||
| 0.40 | 0.00 | 0.00 | 21.00 | 0.00 | 0.00 | 0.25 | |||||
| 0.05 | 0.00 | 0.00 | 22.00 | 0.00 | 0.00 | 0.90 | |||||
| 0.07 | 0.00 | 0.00 | 23.00 | 0.00 | 0.00 | 0.85 | |||||
| 0.03 | 0.00 | 0.00 | 24.00 | — | — | — | |||||
| 0.10 | 0.00 | 0.00 | 25.00 | — | — | — | |||||
| 0.05 | 0.00 | 0.00 | 26.00 | 0.00 | 0.00 | 3.95 | |||||
| — | — | — | 27.00 | 0.00 | 0.00 | 4.55 | |||||
| — | — | — | 28.00 | 0.00 | 0.00 | 5.60 | |||||
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 AM's implied volatility?
At-the-money implied volatility for AM options expiring October 16, 2026 is about 3.1%, an annualized estimate of how much the market expects Antero Midstream stock to move.
How many AM option expiration dates are there?
AM has 7 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.
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.