Atmos Energy (ATO) Options Chain

NYSE: ATOUtilitiesOil/Gas TransmissionUSD

161.66+1.00 (+0.62%)

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

Expiration date

Expiration: Jan 15, 2027
Days to expiration: 96
Share price: $161.66
Put/call ratio (OI): 0.80
Put/call ratio (volume): 0.97
ATM implied volatility: 20.3%
Expected move: ±$16.85
Open interest (C / P): 320 / 255

ATO options summary

The ATO options chain for the January 15, 2027 expiration lists 15 call and 17 put contracts, with 96 days until expiration. Open interest stands at 320 calls and 255 puts, a put/call ratio of 0.80, which is fairly balanced between calls and puts. At-the-money implied volatility near the $160.00 strike is 20.3%, which implies the market expects a move of about ±$16.85 (10.4%) in Atmos Energy stock by expiration.

The most open interest sits at the $175.00 call (99 contracts) and the $165.00 put (98 contracts).

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

ATO options chain · January 15, 2027

ATO 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
1	1	77.4%	57.38	47.30	50.50	120.00	0.00	0.00	0.50	12.5%	1	0
—	—	—	—	—	—	125.00	0.00	0.00	0.70	12.5%	1	0
—	—	—	—	—	—	130.00	0.00	0.00	0.95	12.5%	1	0
—	—	—	—	—	—	135.00	0.00	0.00	1.20	6.3%	1	0
0	8	—	34.12	0.00	0.00	140.00	0.00	3.00	1.20	33.8%	1	2
—	—	—	—	—	—	145.00	0.00	3.30	1.90	29.8%	3	31
25	1	24.8%	15.50	12.90	15.10	150.00	1.50	2.80	2.53	22.4%	1	19
1	—	64.8%	19.49	22.60	26.40	155.00	2.75	4.00	3.10	21.0%	3	18
8	1	20.7%	5.13	6.60	7.70	160.00	4.40	5.80	7.60	20.0%	5	17
ATO $161.66
7	1	21.3%	3.45	3.60	5.60	165.00	6.10	8.80	9.75	20.9%	1	98
31	1	20.8%	2.45	2.40	3.70	170.00	9.70	12.10	15.00	21.1%	2	25
99	4	23.7%	1.50	0.60	3.20	175.00	13.40	16.10	11.60	22.1%	3	13
40	6	19.8%	1.18	0.00	1.30	180.00	13.00	15.20	9.50	—	12	16
7	1	29.1%	0.60	0.00	2.60	185.00	17.10	19.80	10.90	—	—	1
0	3	23.5%	0.95	0.00	0.90	190.00	20.80	24.20	13.80	—	3	3
81	2	38.3%	2.45	0.00	3.20	195.00	25.20	29.20	21.63	—	—	12
13	9	39.5%	2.60	0.00	2.80	200.00	0.00	0.00	26.45	—	—	0
6	1	40.9%	0.05	0.00	2.00	210.00	—	—	—	—	—	—
1	—	50.9%	0.45	0.00	2.90	220.00	—	—	—	—	—	—

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 ATO put/call ratio?

For the January 15, 2027 expiration, the ATO put/call ratio based on open interest is 0.80 (255 puts vs 320 calls), and 0.97 based on today's volume. A ratio above 1 means more puts than calls.

What is ATO's implied volatility?

At-the-money implied volatility for ATO options expiring January 15, 2027 is about 20.3%, an annualized estimate of how much the market expects Atmos Energy stock to move.

How many ATO option expiration dates are there?

ATO has 4 listed expiration dates, from Oct 16, 2026 to Apr 16, 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.