OGS · ONE Gas, Inc.

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$79.98 -0.29 (-0.36%) At close · Jul 23

Market Cap

$5.02B

62.76M

Options Chain

15-min delayed Underlying $79.98 · Jul 23, 2026

Aug 21, 2026 32 Sep 18, 2026 34 Oct 16, 2026 34 Jan 15, 2027 34

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	125%	0.987	—	40	—	—	—	—	0
0	—	105.5%	0.985	—	45	—	—	—	—	0
0	—	88.2%	0.982	—	50	—	-0.038	107.1%	—	0
0	—	72.5%	0.979	—	55	—	-0.046	89.5%	—	0
0	—	58.2%	0.975	—	60	—	-0.056	73.4%	—	0
0	—	48.9%	0.953	—	65	—	-0.077	58.7%	—	0
0	—	39.5%	0.914	—	70	—	-0.11	45.1%	—	0
0	—	30.9%	0.82	—	75	$0.97	-0.196	33.8%	1	37
15	1	26.4%	0.574	$2.19	80	$1.90	-0.429	29.8%	1	1
2	2	24.4%	0.24	$1.10	85	—	-0.702	30.8%	—	0
1	1	31.3%	0.118	$0.21	90	—	-0.822	39.2%	—	0
0	—	—	—	—	95	—	-0.865	49.6%	—	0
0	—	—	—	—	100	—	-0.893	57.6%	—	0
0	—	—	—	—	105	—	-0.91	66.2%	—	0
0	—	—	—	—	110	—	-0.944	66%	—	0
0	—	—	—	—	115	—	-0.949	73.7%	—	0

32 contracts expiring August 21, 2026. Greeks, implied volatility, open interest and the last price come from the latest daily snapshot and are 15-minute delayed. In-the-money strikes are shaded; the strike nearest the underlying is highlighted.

Key facts CIK 1587732 CUSIP 68235P108 13F (30d) 73 filings 72 filers Visit website Investor relations