Current
$57.22B
5-Year Average
$38.89B
All-Time High
$68.67B
All-Time Low
$1.30B
Market cap daily chart for ONEOK (OKE)
Jun 16, 2021 – Jun 12, 2026 · 1,254 trading days
Market Cap growth chart for ONEOK (OKE) from 1985 to 2026
Latest: +23.3%
Market Cap history table for ONEOK (OKE) from 1985 to 2026
| 2026 | $57.22B | +23.3% | +$10.82B | ||
| 2025 | $46.39B | -21.2% | −$12.49B | ||
| 2024 | $58.88B | +72.8% | +$24.80B | ||
| 2023 | $34.08B | +15.7% | +$4.62B | ||
| 2022 | $29.46B | +12.1% | +$3.17B | ||
| 2021 | $26.29B | +58.6% | +$9.72B | ||
| 2020 | $16.57B | -47.3% | −$14.86B | ||
| 2019 | $31.44B | +40.7% | +$9.09B | ||
| 2018 | $22.35B | +39.5% | +$6.32B | ||
| 2017 | $16.02B | +31.4% | +$3.83B | ||
| 2016 | $12.19B | +134.8% | +$7.00B | ||
| 2015 | $5.19B | -50.4% | −$5.29B | ||
| 2014 | $10.48B | -8.2% | −$938.64M | ||
| 2013 | $11.42B | +44.7% | +$3.53B | ||
| 2012 | $7.89B | -3.1% | −$253.32M | ||
| 2011 | $8.14B | +55.5% | +$2.91B | ||
| 2010 | $5.23B | +26.2% | +$1.09B | ||
| 2009 | $4.15B | +53.8% | +$1.45B | ||
| 2008 | $2.70B | -37.1% | −$1.59B | ||
| 2007 | $4.28B | -0.9% | −$38.17M | ||
| 2006 | $4.32B | +71.6% | +$1.80B | ||
| 2005 | $2.52B | -4.0% | −$105.01M | ||
| 2004 | $2.62B | +39.9% | +$747.91M | ||
| 2003 | $1.88B | +11.1% | +$187.09M | ||
| 2002 | $1.69B | +8.5% | +$132.01M | ||
| 2001 | $1.56B | -24.8% | −$513.88M | ||
| 2000 | $2.07B | +86.8% | +$962.30M | ||
| 1999 | $1.11B | +38.3% | +$307.02M | ||
| 1998 | $801.43M | +2.2% | +$17.44M | ||
| 1997 | $783.99M | +20.5% | +$133.47M | ||
| 1996 | $650.52M | +26.5% | +$136.35M | ||
| 1995 | $514.17M | +22.1% | +$93.12M | ||
| 1994 | $421.05M | -15.9% | −$79.59M | ||
| 1993 | $500.64M | +26.4% | +$104.66M | ||
| 1992 | $395.98M | +22.0% | +$71.41M | ||
| 1991 | $324.57M | +5.7% | +$17.43M | ||
| 1990 | $307.14M | -16.6% | −$61.03M | ||
| 1989 | $368.17M | +77.3% | +$160.47M | ||
| 1988 | $207.70M | -54.5% | −$248.30M | ||
| 1987 | $456.00M | +16.1% | +$63.30M | ||
| 1986 | $392.70M | +12.3% | +$42.90M | ||
| 1985 | $349.80M | — | — |
- 2026$57.22B+23.3%
- 2025$46.39B-21.2%
- 2024$58.88B+72.8%
- 2023$34.08B+15.7%
- 2022$29.46B+12.1%
- 2021$26.29B+58.6%
- 2020$16.57B-47.3%
- 2019$31.44B+40.7%
- 2018$22.35B+39.5%
- 2017$16.02B+31.4%
- 2016$12.19B+134.8%
- 2015$5.19B-50.4%
- 2014$10.48B-8.2%
- 2013$11.42B+44.7%
- 2012$7.89B-3.1%
- 2011$8.14B+55.5%
- 2010$5.23B+26.2%
- 2009$4.15B+53.8%
- 2008$2.70B-37.1%
- 2007$4.28B-0.9%
- 2006$4.32B+71.6%
- 2005$2.52B-4.0%
- 2004$2.62B+39.9%
- 2003$1.88B+11.1%
- 2002$1.69B+8.5%
- 2001$1.56B-24.8%
- 2000$2.07B+86.8%
- 1999$1.11B+38.3%
- 1998$801.43M+2.2%
- 1997$783.99M+20.5%
- 1996$650.52M+26.5%
- 1995$514.17M+22.1%
- 1994$421.05M-15.9%
- 1993$500.64M+26.4%
- 1992$395.98M+22.0%
- 1991$324.57M+5.7%
- 1990$307.14M-16.6%
- 1989$368.17M+77.3%
- 1988$207.70M-54.5%
- 1987$456.00M+16.1%
- 1986$392.70M+12.3%
- 1985$349.80M—
Market Cap values are taken from ONEOK's reported income statements (share counts) and end-of-day prices (quarterly 10-Q and annual 10-K filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the filing date. YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
About Market Cap at ONEOK (OKE)
According to ONEOK's latest reported financial statements, the company's latest reported market cap is $57.09B. Market capitalization is the total dollar value of all outstanding shares — shares outstanding × stock price — and the standard measure of a company's equity value. On this page, historical market cap snaps filing-period share counts to closing prices on or before each statement date (not intraday tick data).
Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .
ONEOK (OKE) most recent annual market cap stands at $57.22B (2026) – grew 23.3% year-over-year.
Through 2021–2026 (5 years), ONEOK market cap delivered a +16.8% annualised rate; with mixed annual results across the window.
ONEOK market cap peaked at $58.88B in 2024; the latest annual figure is $57.22B in 2026 (2.8% below peak).
The highest annual market cap of $58.88B was reported in 2024. The lowest in the available history was $207.70M in 1988.
ONEOK Market Cap by Year
ONEOK Market Cap 2026: $57.22B
In 2026, ONEOK reported market cap of $57.22B, grew 23.3% from 2025.
ONEOK Market Cap 2025: $46.39B
ONEOK market cap in 2025 was $46.39B, declined 21.2% below 2024.
ONEOK Market Cap 2024: $58.88B
2024's market cap for ONEOK came in at $58.88B, surged 72.8% from 2023. This figure represents the highest annual value in the available history.
ONEOK Market Cap 2023: $34.08B
ONEOK posted market cap of $34.08B in 2023, grew 15.7% from 2022.
ONEOK Market Cap 2022: $29.46B
ONEOK market cap in 2022 was $29.46B.
See more financial history for ONEOK (OKE).
Sector peers by Market Cap
Energy peers of ONEOK (OKE), ranked by their latest market cap
| $584.40B | |
| $359.28B | |
| $136.77B | |
| $122.16B | |
| $87.43B | |
| $80.30B | |
| $73.39B | |
| $73.24B |
- $584.40B
- $359.28B
- $136.77B
- $122.16B
- $87.43B
- $80.30B
- $73.39B
- $73.24B
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