Antero Midstream (AM) Options Chain

NYSE: AMUtilitiesNatural Gas DistributionUSD

21.09-0.10 (-0.47%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Jan 15, 2027
Days to expiration: 96
Share price: $21.09
Put/call ratio (OI): 0.30
Put/call ratio (volume): 0.04
ATM implied volatility: 29.5%
Expected move: ±$3.19
Open interest (C / P): 9.78K / 2.92K

AM options summary

The AM options chain for the January 15, 2027 expiration lists 20 call and 16 put contracts, with 96 days until expiration. Open interest stands at 9,784 calls and 2,924 puts, a put/call ratio of 0.30, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $21.00 strike is 29.5%, which implies the market expects a move of about ±$3.19 (15.1%) in Antero Midstream stock by expiration.

The most open interest sits at the $20.00 call (4.93K contracts) and the $13.00 put (1.31K contracts).

Summary generated from market data by MetaCap's automated system. Methodology

AM options chain · January 15, 2027

AM calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
0	1,358	452.3%	18.80	18.90	20.10	3.00	—	—	—	—	—	—
0	396	329.7%	16.80	17.10	18.20	5.00	—	—	—	—	—	—
0	9	223.2%	13.92	14.00	15.20	8.00	—	—	—	—	—	—
6	35	180.0%	12.00	12.00	13.20	10.00	0.00	1.55	0.30	139.4%	—	166
0	150	133.2%	9.00	9.00	10.30	13.00	0.00	0.10	0.05	50.0%	24	1,308
175	2	88.7%	7.99	6.60	7.70	15.00	0.00	0.40	0.07	50.2%	1	56
0	38	—	5.80	0.00	0.00	16.00	0.00	0.00	0.33	12.5%	—	0
272	78	52.3%	3.75	3.80	4.70	17.00	0.00	0.00	0.23	12.5%	1	0
11	6	71.2%	4.42	4.20	5.10	18.00	—	—	—	—	—	—
4	2	64.0%	3.61	3.30	4.30	19.00	0.10	0.45	0.55	29.7%	2	277
4,929	1	36.6%	1.70	1.45	2.15	20.00	0.30	0.90	0.95	32.6%	1	911
325	1	27.8%	0.75	0.85	1.25	21.00	0.70	1.30	1.15	31.1%	24	94
AM $21.09
1,473	11	28.3%	0.70	0.45	0.85	22.00	1.45	1.70	1.70	26.9%	15	65
640	2	27.1%	0.39	0.30	0.50	23.00	0.00	0.00	1.70	—	—	0
221	2	30.3%	0.20	0.10	0.40	24.00	—	—	—	—	—	—
1,045	1	28.2%	0.20	0.10	0.20	25.00	2.50	3.50	3.85	—	2	39
135	1	38.6%	0.40	0.00	0.35	26.00	4.40	5.60	4.45	49.5%	2	4
350	5	43.0%	0.05	0.00	0.35	27.00	5.30	6.70	4.75	57.3%	2	2
—	—	—	—	—	—	28.00	0.00	0.00	5.90	—	6	0
—	—	—	—	—	—	29.00	6.40	7.60	6.76	—	12	2
179	15	40.6%	0.05	0.00	0.10	30.00	—	—	—	—	—	—
19	5	51.8%	0.15	0.00	0.35	32.00	12.40	13.50	14.71	112.7%	2	0

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 AM put/call ratio?

For the January 15, 2027 expiration, the AM put/call ratio based on open interest is 0.30 (2,924 puts vs 9,784 calls), and 0.04 based on today's volume. A ratio above 1 means more puts than calls.

What is AM's implied volatility?

At-the-money implied volatility for AM options expiring January 15, 2027 is about 29.5%, 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.