KMI vs WMB Stock Comparison: AI Score, Valuation, Performance and Upside
Kinder Morgan and Williams Companies are both major North American midstream energy infrastructure operators, but Kinder Morgan maintains a more diversified pipeline portfolio spanning natural gas, refined products, and crude oil, while Williams Companies concentrates more heavily on natural gas gathering, processing, and transportation.
Kinder Morgan offers exposure to a diversified midstream infrastructure portfolio spanning multiple energy commodities, while Williams Companies offers a more concentrated bet on natural gas infrastructure benefiting from growing gas demand. Consider whether you prefer Kinder Morgan's diversification or Williams' focused natural gas exposure.
WMB holds the edge across 3 of 5 key metrics in this comparison. KMI leads on both 1-year return (+24.89%) and forward P/E quality (20.52x vs 28.13x for WMB), a relatively favorable combination of momentum and valuation. On fundamentals, KMI is growing revenue faster (10.80%), while WMB maintains the higher operating margin (39.54%) — a classic growth-versus-profitability split. Analyst consensus implies similar upside for both: +13.46% for KMI and +15.62% for WMB.
Human Wall Street analysts' price targets, typically implying a ~12-month view — a separate signal from this site's own AI Prediction Signal further down the page, which is a 5-/30-day machine-learning forecast based on price history alone.
- Want exposure to a diversified midstream infrastructure portfolio spanning natural gas, refined products, and crude oil
- Value fee-based, take-or-pay contract structures that support predictable cash flows
- Believe rising natural gas demand for power generation and exports supports long-term growth
- Are comfortable with elevated debt levels typical of pipeline infrastructure companies
- Want concentrated exposure to natural gas gathering, processing, and transportation infrastructure
- Believe strategic pipeline positioning connecting supply basins to demand centers supports durable cash flows
- Value fee-based contract structures supporting predictable revenue
- Are comfortable with less diversification in exchange for focused natural gas demand exposure
| Metric | KMI | WMB |
|---|---|---|
| AI scorei | 43.5 | 52.8 |
| AI ranki | #335 | #330 |
| Latest closei | $32.71 | $71.19 |
| 1M returni | +5.28% | +0.92% |
| 3M returni | +4.17% | +1.08% |
| 6M returni | +0.74% | -5.60% |
| 1Y returni | +24.89% | +23.02% |
How much would $10,000 be worth today if invested at the start of each period, with all dividends reinvested?
| Period | KMI | WMB |
|---|---|---|
| 1Y ago | $12.54K (+25.4%) started 2025-11-03 | $12.06K (+20.6%) started 2025-11-03 |
| 5Y ago | $29.86K (+198.6%) started 2021-11-03 | $36.14K (+261.4%) started 2021-11-03 |
| 10Y ago | $45.79K (+357.9%) started 2016-11-03 | $71.91K (+619.1%) started 2016-11-03 |
Hypothetical — past performance does not guarantee future results.
| Metric | KMI | WMB |
|---|---|---|
| Market capi | $70.28B | $90.18B |
| Trailing P/Ei | 20.36 | 29.37 |
| Forward P/Ei | 20.52 | 28.13 |
| Price/Salesi | N/A | 6.67 |
| EV/Revenuei | 5.78 | 9.98 |
| Analyst targeti | $35.81 | $85.25 |
| Target upsidei | +13.46% | +15.62% |
| Metric | KMI | WMB |
|---|---|---|
| Revenue growthi | 10.80% | 7.80% |
| Earnings growthi | 21.20% | 51.20% |
| EPS growthi | +21.20% | +51.20% |
| FCF margini | +5.99% | -12.31% |
| Operating margini | 30.06% | 39.54% |
| Profit margini | 19.30% | 24.94% |
| ROIC proxyi | 10.99% | 21.50% |
| Return on equityi | 10.99% | 21.50% |
| Dividend yieldi | 3.74% | 2.83% |
| Payout ratioi | 72.84% | 81.67% |
| Dividend growth streaki | No increase yet | No increase yet |
| Betai | 0.55 | 0.61 |
| Debt/equityi | 98.62 | 200.37 |
| Current ratioi | 0.46 | 0.48 |
| Quick ratioi | 0.29 | 0.31 |
Over the past year, KMI and WMB have moved strongly in the same direction (correlation of 0.82), based on daily returns.
Lower drawdown and smaller single-period drops generally indicate a smoother ride, though they do not guarantee lower future risk.
| Period | Metric | KMI | WMB |
|---|---|---|---|
| 1Y | Growthi | +25.42% | +20.60% |
| CAGRi | +25.51% | +20.67% | |
| Volatilityi | 21.58% | 25.46% | |
| Sharpe ratioi | 0.96 | 0.70 | |
| Sortino ratioi | 1.42 | 1.00 | |
| Max drawdowni | 12.12% | 14.40% | |
| Current drawdowni | 5.00% | 10.34% | |
| Avg drawdowni | 4.25% | 5.40% | |
| Ulcer Indexi | 5.37% | 6.54% | |
| Max daily dropi | 3.87% | 4.93% | |
| Max wkly dropi | 8.70% | 10.74% | |
| 5Y | Growthi | +138.26% | +199.04% |
| CAGRi | +18.97% | +24.50% | |
| Volatilityi | 22.41% | 24.25% | |
| Sharpe ratioi | 0.69 | 0.85 | |
| Sortino ratioi | 0.97 | 1.19 | |
| Max drawdowni | 20.31% | 23.01% | |
| Current drawdowni | 5.00% | 10.34% | |
| Avg drawdowni | 6.58% | 6.21% | |
| Ulcer Indexi | 8.03% | 8.18% | |
| Max daily dropi | 9.28% | 8.43% | |
| Max wkly dropi | 15.66% | 14.76% | |
| 10Y | Growthi | +158.56% | +297.25% |
| CAGRi | +9.97% | +14.79% | |
| Volatilityi | 27.42% | 30.32% | |
| Sharpe ratioi | 0.32 | 0.46 | |
| Sortino ratioi | 0.45 | 0.65 | |
| Max drawdowni | 55.13% | 68.08% | |
| Current drawdowni | 5.00% | 10.34% | |
| Avg drawdowni | 12.23% | 11.09% | |
| Ulcer Indexi | 15.86% | 14.80% | |
| Max daily dropi | 21.04% | 23.74% | |
| Max wkly dropi | 35.61% | 40.78% |
| Category | KMI | WMB |
|---|---|---|
| Company | Kinder Morgan, Inc. | The Williams Companies, Inc. |
| Sector | Energy | Energy |
| Industry | Oil & Gas Midstream | Oil & Gas Midstream |
| Core business | A large midstream energy infrastructure company that owns and operates an extensive network of natural gas, refined products, and crude oil pipelines and storage terminals across North America. | A midstream energy infrastructure company focused primarily on natural gas gathering, processing, and transportation, operating a significant share of natural gas pipeline infrastructure connecting major US supply basins to demand centers. |
| Investor focus | Natural gas pipeline throughput volumes, dividend coverage and growth trends, and progress on new infrastructure expansion projects tied to rising gas demand. | Natural gas gathering and processing volumes, dividend growth trends, and new pipeline and infrastructure project development tied to growing gas demand. |
- Extensive, diversified pipeline and storage network across natural gas, refined products, and crude oil provides broad infrastructure exposure
- Fee-based, take-or-pay contract structures on much of its pipeline capacity support relatively stable, predictable cash flows
- Well-positioned to benefit from rising natural gas demand tied to power generation and export infrastructure growth
- Concentrated focus on natural gas gathering, processing, and transportation provides direct exposure to a fuel source with growing demand
- Strategic pipeline positioning connects key US natural gas supply basins to major demand centers and export facilities
- Fee-based contract structures across much of its infrastructure support relatively predictable cash flow generation
- Growth projects require significant capital investment and face permitting and regulatory approval risk before generating returns
- Elevated debt levels typical of pipeline infrastructure companies require disciplined balance sheet management
- Long-term demand for certain fossil fuel infrastructure assets faces uncertainty amid the broader energy transition
- Concentration in natural gas infrastructure provides less diversification than midstream peers with broader commodity exposure
- New pipeline projects face permitting delays and regulatory challenges that can push back growth timelines
- Elevated debt levels typical of pipeline infrastructure companies require ongoing disciplined balance sheet management
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