KMI · Kinder Morgan, Inc.

Track KMI — free Ask ALVIS about KMI

$31.13 -0.15 (-0.48%)

Market Cap

$69.65B

2.23B

Options Chain

15-min delayed Underlying $31.13 · today Options Calculator

Positioning

Aug 7, 2026 · expires today · 62 contracts

Put / call OI

0.49

Call-heavy positioning

Open interest

10,935

contracts outstanding

Volume

1,064

traded today

Max pain

$31.50

$0.37 above spot

ATM implied vol

15.9%

market's expected move

Open interest by strike · near the money

Calls Puts

28.5

29.5

30.5

31.5

32.5

33.5

34.5

35.5

36.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 7 0d Aug 14 7d Aug 21 14d Aug 28 21d Sep 4 28d Sep 11 35d Sep 18 42d Sep 25 49d Dec 18 133d Jan 15 161d Mar 19 224d Jun 17 314d Jan 21 532d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	3	—	—	$10.95		$0.02	—	—	4	6
Call · $20 In the money Last $10.95 Breakeven $30.95 Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $20 Last $0.02 Breakeven $19.98 Implied vol — Delta — Gamma — Theta — Vega — Open interest 6 Model this put
3	1	0%	1	$9.20		$0.02	—	—	1	1
Call · $22 In the money Last $9.20 Breakeven $31.20 Implied vol 0% Delta 1 ≈100% ITM Gamma 0 Theta 0 Vega 0 Open interest 3 Model this call Put · $22 Last $0.02 Breakeven $21.98 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this put
3	3	0%	1	$8.30		—	—	—	—	0
Call · $23 In the money Last $8.30 Breakeven $31.30 Implied vol 0% Delta 1 ≈100% ITM Gamma 0 Theta 0 Vega 0 Open interest 3 Model this call Put · $23 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
1	3	—	—	$7.20		$0.02	—	—	1	2
Call · $24 In the money Last $7.20 Breakeven $31.20 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this call Put · $24 Last $0.02 Breakeven $23.98 Implied vol — Delta — Gamma — Theta — Vega — Open interest 2 Model this put
2	4	—	—	$6.20		$0.05	-0.027	415.3%	2	1
Call · $25 In the money Last $6.20 Breakeven $31.20 Implied vol — Delta — Gamma — Theta — Vega — Open interest 2 Model this call Put · $25 Last $0.05 Breakeven $24.95 Implied vol 415.3% Delta -0.027 ≈3% ITM Gamma 0.017 Theta -0.385 Vega 0 Open interest 1 Model this put
2	1	—	—	$5.32		$0.08	-0.028	343%	2	2
Call · $26 In the money Last $5.32 Breakeven $31.32 Implied vol — Delta — Gamma — Theta — Vega — Open interest 2 Model this call Put · $26 Last $0.08 Breakeven $25.92 Implied vol 343% Delta -0.028 ≈3% ITM Gamma 0.021 Theta -0.333 Vega 0.001 Open interest 2 Model this put
2	3	—	—	$4.57		—	-0.034	279%	—	0
Call · $27 In the money Last $4.57 Breakeven $31.57 Implied vol — Delta — Gamma — Theta — Vega — Open interest 2 Model this call Put · $27 Last — Breakeven — Implied vol 279% Delta -0.034 ≈3% ITM Gamma 0.03 Theta -0.31 Vega 0.001 Open interest 0 Model this put
0	2	206.2%	0.967	$3.41		$0.03	-0.038	211.6%	1	9
Call · $28 In the money Last $3.41 Breakeven $31.41 Implied vol 206.2% Delta 0.967 ≈97% ITM Gamma 0.04 Theta -0.226 Vega 0.001 Open interest 0 Model this call Put · $28 Last $0.03 Breakeven $27.97 Implied vol 211.6% Delta -0.038 ≈4% ITM Gamma 0.043 Theta -0.257 Vega 0.001 Open interest 9 Model this put
1	2	176.3%	0.962	$3.05		—	-0.043	181.7%	—	0
Call · $28.5 In the money Last $3.05 Breakeven $31.55 Implied vol 176.3% Delta 0.962 ≈96% ITM Gamma 0.052 Theta -0.215 Vega 0.001 Open interest 1 Model this call Put · $28.5 Last — Breakeven — Implied vol 181.7% Delta -0.043 ≈4% ITM Gamma 0.056 Theta -0.246 Vega 0.001 Open interest 0 Model this put
0	10	125.6%	0.977	$3.17		$0.02	-0.038	141%	12	235
Call · $29 In the money Last $3.17 Breakeven $32.17 Implied vol 125.6% Delta 0.977 ≈98% ITM Gamma 0.049 Theta -0.102 Vega 0 Open interest 0 Model this call Put · $29 Last $0.02 Breakeven $28.98 Implied vol 141% Delta -0.038 ≈4% ITM Gamma 0.065 Theta -0.172 Vega 0.001 Open interest 235 Model this put
0	—	—	—	—		$0.02	-0.054	117.7%	11	60
Call · $29.5 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $29.5 Last $0.02 Breakeven $29.48 Implied vol 117.7% Delta -0.054 ≈5% ITM Gamma 0.104 Theta -0.192 Vega 0.001 Open interest 60 Model this put
3	28	91.9%	0.921	$1.06		$0.03	-0.087	94.9%	3	320
Call · $30 In the money Last $1.06 Breakeven $31.06 Implied vol 91.9% Delta 0.921 ≈92% ITM Gamma 0.179 Theta -0.2 Vega 0.002 Open interest 3 Model this call Put · $30 Last $0.03 Breakeven $29.97 Implied vol 94.9% Delta -0.087 ≈9% ITM Gamma 0.186 Theta -0.222 Vega 0.002 Open interest 320 Model this put
29	46	52.8%	0.91	$0.54		$0.04	-0.074	49.5%	6	1.1k
Call · $30.5 In the money Last $0.54 Breakeven $31.04 Implied vol 52.8% Delta 0.91 ≈91% ITM Gamma 0.343 Theta -0.126 Vega 0.002 Open interest 29 Model this call Put · $30.5 Last $0.04 Breakeven $30.46 Implied vol 49.5% Delta -0.074 ≈7% ITM Gamma 0.319 Theta -0.104 Vega 0.002 Open interest 1.1k Model this put
56	185	13.8%	0.845	$0.13		$0.03	-0.216	17.9%	134	403
Call · $31 In the money Last $0.13 Breakeven $31.13 Implied vol 13.8% Delta 0.845 ≈85% ITM Gamma 1.942 Theta -0.048 Vega 0.002 Open interest 56 Model this call Put · $31 Last $0.03 Breakeven $30.97 Implied vol 17.9% Delta -0.216 ≈22% ITM Gamma 1.852 Theta -0.079 Vega 0.002 Open interest 403 Model this put
Underlying $31.13
978	83	36.1%	0.124	$0.02		$0.51	-0.832	42.9%	132	1.1k
Call · $31.5 Last $0.02 Breakeven $31.52 Implied vol 36.1% Delta 0.124 ≈12% ITM Gamma 0.64 Theta -0.111 Vega 0.002 Open interest 978 Model this call Put · $31.5 In the money Last $0.51 Breakeven $30.99 Implied vol 42.9% Delta -0.832 ≈83% ITM Gamma 0.655 Theta -0.161 Vega 0.002 Open interest 1.1k Model this put
534	57	67%	0.074	$0.01		$0.89	-1	0%	196	285
Call · $32 Last $0.01 Breakeven $32.01 Implied vol 67% Delta 0.074 ≈7% ITM Gamma 0.236 Theta -0.141 Vega 0.002 Open interest 534 Model this call Put · $32 In the money Last $0.89 Breakeven $31.11 Implied vol 0% Delta -1 ≈100% ITM Gamma 0 Theta -0.001 Vega 0 Open interest 285 Model this put
552	13	93.7%	0.055	$0.01		$1.45	-1	0%	3	21
Call · $32.5 Last $0.01 Breakeven $32.51 Implied vol 93.7% Delta 0.055 ≈6% ITM Gamma 0.133 Theta -0.155 Vega 0.001 Open interest 552 Model this call Put · $32.5 In the money Last $1.45 Breakeven $31.05 Implied vol 0% Delta -1 ≈100% ITM Gamma 0 Theta -0.001 Vega 0 Open interest 21 Model this put
1.1k	6	119.1%	0.045	$0.01		$1.92	-0.917	145.6%	10	4
Call · $33 Last $0.01 Breakeven $33.01 Implied vol 119.1% Delta 0.045 ≈4% ITM Gamma 0.089 Theta -0.167 Vega 0.001 Open interest 1.1k Model this call Put · $33 In the money Last $1.92 Breakeven $31.08 Implied vol 145.6% Delta -0.917 ≈92% ITM Gamma 0.118 Theta -0.333 Vega 0.002 Open interest 4 Model this put
93	1	144.1%	0.038	$0.03		$2.42	-0.857	234.8%	2	1
Call · $33.5 Last $0.03 Breakeven $33.53 Implied vol 144.1% Delta 0.038 ≈4% ITM Gamma 0.064 Theta -0.178 Vega 0.001 Open interest 93 Model this call Put · $33.5 In the money Last $2.42 Breakeven $31.08 Implied vol 234.8% Delta -0.857 ≈86% ITM Gamma 0.109 Theta -0.797 Vega 0.002 Open interest 1 Model this put
748	3	179.2%	0.045	$0.01		$3.12	-0.868	267.4%	8	1
Call · $34 Last $0.01 Breakeven $34.01 Implied vol 179.2% Delta 0.045 ≈5% ITM Gamma 0.059 Theta -0.251 Vega 0.001 Open interest 748 Model this call Put · $34 In the money Last $3.12 Breakeven $30.88 Implied vol 267.4% Delta -0.868 ≈87% ITM Gamma 0.09 Theta -0.857 Vega 0.002 Open interest 1 Model this put
51	1	208.6%	0.045	$0.09		$3.35	-0.841	343.5%	2	1
Call · $34.5 Last $0.09 Breakeven $34.59 Implied vol 208.6% Delta 0.045 ≈5% ITM Gamma 0.051 Theta -0.294 Vega 0.001 Open interest 51 Model this call Put · $34.5 In the money Last $3.35 Breakeven $31.15 Implied vol 343.5% Delta -0.841 ≈84% ITM Gamma 0.079 Theta -1.246 Vega 0.003 Open interest 1 Model this put
3k	1	227.3%	0.037	$0.01		$4.17	-0.869	349.9%	4	1
Call · $35 Last $0.01 Breakeven $35.01 Implied vol 227.3% Delta 0.037 ≈4% ITM Gamma 0.04 Theta -0.274 Vega 0.001 Open interest 3k Model this call Put · $35 In the money Last $4.17 Breakeven $30.83 Implied vol 349.9% Delta -0.869 ≈87% ITM Gamma 0.069 Theta -1.115 Vega 0.002 Open interest 1 Model this put
9	3	231.6%	0.025	$0.03		$4.62	-0.97	241.5%	1	0
Call · $35.5 Last $0.03 Breakeven $35.53 Implied vol 231.6% Delta 0.025 ≈3% ITM Gamma 0.028 Theta -0.202 Vega 0 Open interest 9 Model this call Put · $35.5 In the money Last $4.62 Breakeven $30.88 Implied vol 241.5% Delta -0.97 ≈97% ITM Gamma 0.031 Theta -0.244 Vega 0 Open interest 0 Model this put
54	2	279.1%	0.036	$0.03		$5.05	-0.972	261.5%	2	1
Call · $36 Last $0.03 Breakeven $36.03 Implied vol 279.1% Delta 0.036 ≈4% ITM Gamma 0.032 Theta -0.327 Vega 0.001 Open interest 54 Model this call Put · $36 In the money Last $5.05 Breakeven $30.95 Implied vol 261.5% Delta -0.972 ≈97% ITM Gamma 0.027 Theta -0.248 Vega 0 Open interest 1 Model this put
1	1	301.6%	0.034	$0.06		$5.45	-0.974	281.2%	1	1
Call · $36.5 Last $0.06 Breakeven $36.56 Implied vol 301.6% Delta 0.034 ≈3% ITM Gamma 0.028 Theta -0.337 Vega 0 Open interest 1 Model this call Put · $36.5 In the money Last $5.45 Breakeven $31.05 Implied vol 281.2% Delta -0.974 ≈97% ITM Gamma 0.024 Theta -0.252 Vega 0 Open interest 1 Model this put
54	36	329.5%	0.035	$0.14		$6.05	-0.975	300.6%	2	0
Call · $37 Last $0.14 Breakeven $37.14 Implied vol 329.5% Delta 0.035 ≈3% ITM Gamma 0.026 Theta -0.38 Vega 0.001 Open interest 54 Model this call Put · $37 In the money Last $6.05 Breakeven $30.95 Implied vol 300.6% Delta -0.975 ≈98% ITM Gamma 0.021 Theta -0.255 Vega 0 Open interest 0 Model this put
17	17	393.4%	0.043	$0.14		—	-0.978	338.7%	—	0
Call · $38 Last $0.14 Breakeven $38.14 Implied vol 393.4% Delta 0.043 ≈4% ITM Gamma 0.026 Theta -0.527 Vega 0.001 Open interest 17 Model this call Put · $38 In the money Last — Breakeven — Implied vol 338.7% Delta -0.978 ≈98% ITM Gamma 0.017 Theta -0.263 Vega 0.001 Open interest 0 Model this put
0	—	533.7%	0.078	—		—	-0.98	375.8%	—	0
Call · $39 Last — Breakeven — Implied vol 533.7% Delta 0.078 ≈8% ITM Gamma 0.031 Theta -1.172 Vega 0.001 Open interest 0 Model this call Put · $39 In the money Last — Breakeven — Implied vol 375.8% Delta -0.98 ≈98% ITM Gamma 0.014 Theta -0.27 Vega 0.001 Open interest 0 Model this put
11	1	—	—	$0.03		—	-0.981	412%	—	0
Call · $40 Last $0.03 Breakeven $40.03 Implied vol — Delta — Gamma — Theta — Vega — Open interest 11 Model this call Put · $40 In the money Last — Breakeven — Implied vol 412% Delta -0.981 ≈98% ITM Gamma 0.012 Theta -0.278 Vega 0.001 Open interest 0 Model this put
5	5	—	—	$0.03		—	-0.982	447.3%	—	0
Call · $41 Last $0.03 Breakeven $41.03 Implied vol — Delta — Gamma — Theta — Vega — Open interest 5 Model this call Put · $41 In the money Last — Breakeven — Implied vol 447.3% Delta -0.982 ≈98% ITM Gamma 0.011 Theta -0.285 Vega 0.001 Open interest 0 Model this put
16	1	—	—	$0.01		$10.90	-1	0%	2	0
Call · $42 Last $0.01 Breakeven $42.01 Implied vol — Delta — Gamma — Theta — Vega — Open interest 16 Model this call Put · $42 In the money Last $10.90 Breakeven $31.10 Implied vol 0% Delta -1 ≈100% ITM Gamma 0 Theta 0 Vega 0 Open interest 0 Model this put

About this data

Greeks, implied volatility, open interest and the last price come from the latest daily snapshot and are 15-minute delayed. Bid and ask are not included on this plan.

In-the-money strikes are tinted, deepening toward the money, and the bar beside each open-interest figure scales to the heaviest strike shown. The 25 strikes around the money are shown by default — switch to "All 31" for the wings. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 1506307 CUSIP 49456B101 13F (30d) 1031 filings 998 filers Visit website Investor relations