KINDER MORGAN, INC. (KMI) Open Interest

KINDER MORGAN, INC. (KMI) has 173,761 call contracts and 100,666 put contracts open across all listed expirations — a put/call open interest ratio of 0.58. Open interest counts the contracts currently outstanding at each strike. This page shows where KMI positioning concentrates, which strikes act as walls, and how the totals have trended over the past year.

Data as of Aug 24, 2026, 3:55 PM ET · OPRA data 15 minutes delayed · For information only — not investment advice.

Last close
$30.95
52-week range
$25.86 – $34.50
ATM IV (30d)
23.6%
IV rank
30 / 100
Low
Expected move
±$1.27 (±4.1%)
Put/call OI
0.58
Call-heavy
Max pain
$30
↓ 3.1% below close
Next earnings
Oct 20, 2026

KMI Open Interest by Strike

012.1K24.1K36.2KSpotMax painCall wallPut wall24272930.503233.503538

KMI open interest by strike, all expirations combined — calls in green, puts in red.

Total call open interest173,761
Total put open interest100,666
Put/call OI ratio0.58
Open interest rank (31 day)0 / 100
Call wall (largest call OI)$35
Put wall (largest put OI)$27
Top volume strike$33
Volume / OI ratio1.33

KMI Open Interest Trend

26.9K84.5K142.1K199.7K257.2KCall OIPut OIFeb '26May '26Aug '26

KMI total call vs. put open interest, past year.

0.280.450.610.780.95Feb '26May '26Aug '26

KMI put/call open interest ratio, past year.

A put/call open interest ratio of 0.58 means meaningfully more calls than puts are outstanding — a call-heavy, typically bullish positioning profile. In total, 173,761 call contracts and 100,666 put contracts are open across all listed expirations. The put/call OI ratio has risen from 0.50 in Feb '26 to 0.58 today.

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KMI Options FAQ

What is KMI's put/call ratio?

KMI's put/call open interest ratio is 0.58 as of Aug 24, 2026, with 100,666 put contracts and 173,761 call contracts outstanding.

Which KMI strikes have the highest open interest?

As of Aug 24, 2026, the largest call open interest sits at $35 (the call wall) and the largest put open interest sits at $27 (the put wall). Strikes with heavy open interest often act as reference levels because a lot of hedging activity is anchored to them.

Is KMI open interest unusually high right now?

KMI's total open interest ranks 0 out of 100 versus the past 31 trading days as of Aug 24, 2026 — toward the bottom of its recent range, so positioning is comparatively light.

Methodology. IV rank compares the current 30-day at-the-money implied volatility with its highest and lowest values over the past 52 weeks. Max pain is the strike that minimizes the total payout to option holders at expiration. The call and put walls are the strikes carrying the largest call and put open interest across all expirations. Net gamma exposure (GEX) is measured from the dealer perspective. All statistics are derived from delayed OPRA options data.

Options trading involves significant risk, and losses can exceed your initial investment. Always consult a licensed financial professional before making investment decisions. OptiView does not provide financial advice; all figures on this page are descriptive statistics, not recommendations.