Current
$57.1B
5-Year Average
$52.2B
All-Time High
$90.2B
All-Time Low
$8.13B
Market cap daily chart for Occidental Petroleum (OXY)
Aug 2, 2021 – Jul 31, 2026 · 1,255 trading days
Market Cap growth chart for Occidental Petroleum (OXY) from 2017 to 2026
Latest: +38.8%
Market Cap history table for Occidental Petroleum (OXY) from 1985 to 2026
| 2026 | $57.1B | +38.8% | +$16B | ||
| 2025 | $41.1B | -13.9% | -$6.66B | ||
| 2024 | $47.8B | -16.7% | -$9.59B | ||
| 2023 | $57.4B | -9.1% | -$5.74B | ||
| 2022 | $63.1B | +127.1% | +$35.3B | ||
| 2021 | $27.8B | +74.8% | +$11.9B | ||
| 2020 | $15.9B | -52.3% | -$17.5B | ||
| 2019 | $33.4B | -28.8% | -$13.5B | ||
| 2018 | $46.9B | -17.0% | -$9.56B | ||
| 2017 | $56.4B | +3.7% | +$2.01B | ||
| 2016 | $54.4B | +5.2% | +$2.67B | ||
| 2015 | $51.7B | -17.8% | -$11.2B | ||
| 2014 | $62.9B | -14.3% | -$10.5B | ||
| 2013 | $73.4B | +23.3% | +$13.9B | ||
| 2012 | $59.5B | -18.5% | -$13.5B | ||
| 2011 | $73.1B | -4.6% | -$3.52B | ||
| 2010 | $76.6B | +20.6% | +$13.1B | ||
| 2009 | $63.5B | +34.4% | +$16.3B | ||
| 2008 | $47.2B | -23.8% | -$14.7B | ||
| 2007 | $62B | +53.8% | +$21.7B | ||
| 2006 | $40.3B | +28.6% | +$8.96B | ||
| 2005 | $31.3B | +39.6% | +$8.89B | ||
| 2004 | $22.5B | +43.7% | +$6.83B | ||
| 2003 | $15.6B | +51.0% | +$5.28B | ||
| 2002 | $10.3B | +8.9% | +$844M | ||
| 2001 | $9.5B | +10.8% | +$929M | ||
| 2000 | $8.57B | +16.2% | +$1.2B | ||
| 1999 | $7.38B | +30.4% | +$1.72B | ||
| 1998 | $5.65B | -39.8% | -$3.74B | ||
| 1997 | $9.4B | +26.1% | +$1.95B | ||
| 1996 | $7.45B | +13.9% | +$911M | ||
| 1995 | $6.54B | +13.9% | +$798M | ||
| 1994 | $5.74B | +9.3% | +$489M | ||
| 1993 | $5.25B | +6.9% | +$340M | ||
| 1992 | $4.91B | -3.4% | -$172M | ||
| 1991 | $5.09B | -1.2% | -$62M | ||
| 1990 | $5.15B | -33.1% | -$2.54B | ||
| 1989 | $7.69B | +27.2% | +$1.65B | ||
| 1988 | $6.05B | +28.5% | +$1.34B | ||
| 1987 | $4.71B | +19.9% | +$781M | ||
| 1986 | $3.93B | +24.5% | +$771M | ||
| 1985 | $3.15B | — | — |
- 2026$57.1B+38.8%
- 2025$41.1B-13.9%
- 2024$47.8B-16.7%
- 2023$57.4B-9.1%
- 2022$63.1B+127.1%
- 2021$27.8B+74.8%
- 2020$15.9B-52.3%
- 2019$33.4B-28.8%
- 2018$46.9B-17.0%
- 2017$56.4B+3.7%
- 2016$54.4B+5.2%
- 2015$51.7B-17.8%
- 2014$62.9B-14.3%
- 2013$73.4B+23.3%
- 2012$59.5B-18.5%
- 2011$73.1B-4.6%
- 2010$76.6B+20.6%
- 2009$63.5B+34.4%
- 2008$47.2B-23.8%
- 2007$62B+53.8%
- 2006$40.3B+28.6%
- 2005$31.3B+39.6%
- 2004$22.5B+43.7%
- 2003$15.6B+51.0%
- 2002$10.3B+8.9%
- 2001$9.5B+10.8%
- 2000$8.57B+16.2%
- 1999$7.38B+30.4%
- 1998$5.65B-39.8%
- 1997$9.4B+26.1%
- 1996$7.45B+13.9%
- 1995$6.54B+13.9%
- 1994$5.74B+9.3%
- 1993$5.25B+6.9%
- 1992$4.91B-3.4%
- 1991$5.09B-1.2%
- 1990$5.15B-33.1%
- 1989$7.69B+27.2%
- 1988$6.05B+28.5%
- 1987$4.71B+19.9%
- 1986$3.93B+24.5%
- 1985$3.15B—
Market Cap values are taken from Occidental Petroleum'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 Occidental Petroleum (OXY)
According to Occidental Petroleum's latest reported financial statements, the company's latest reported market cap is $65B. 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 .
In 2026, Occidental Petroleum (OXY) market cap totalled $57.1B – surged 38.8% year-over-year.
Across 2021–2026 (5 years), Occidental Petroleum market cap produced a CAGR of +15.5% – with mixed annual results across the window.
Occidental Petroleum market cap peaked at $76.6B in 2010; the latest annual figure is $57.1B in 2026 (25.5% below peak).
$76.6B stands as the all-time-high annual market cap, posted in 2010, against a low of $3.15B during 1985.
Occidental Petroleum Market Cap by Year
Occidental Petroleum Market Cap 2026: $57.1B
Occidental Petroleum market cap in 2026 was $57.1B, surged 38.8% from 2025.
Occidental Petroleum Market Cap 2025: $41.1B
2025's market cap for Occidental Petroleum came in at $41.1B, declined 13.9% below 2024.
Occidental Petroleum Market Cap 2024: $47.8B
Occidental Petroleum posted market cap of $47.8B in 2024, declined 16.7% below 2023.
Occidental Petroleum Market Cap 2023: $57.4B
In 2023, Occidental Petroleum reported market cap of $57.4B, declined 9.1% below 2022.
Occidental Petroleum Market Cap 2022: $63.1B
Occidental Petroleum market cap in 2022 was $63.1B.
See more financial history for Occidental Petroleum (OXY).
Sector peers by Market Cap
Energy peers of Occidental Petroleum (OXY), ranked by their latest market cap
| $392B | |
| $147B | |
| $119B | |
| $92.9B | |
| $92.4B | |
| $87.5B | |
| $84.9B | |
| $79.2B |
- $392B
- $147B
- $119B
- $92.9B
- $92.4B
- $87.5B
- $84.9B
- $79.2B
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Occidental Petroleum (OXY) Key Financials
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- Stock Split History2 splits
How this company returns cash to shareholders — buybacks, dividends, and stock splits.