Occidental Petroleum (OXY) Market Cap 1985–2026

As of November 13, 2026, Occidental Petroleum had a market cap of $58.74 billion, which increased by 0.60% compared to the previous trading day. Market capitalization, often referred to as market cap, represents the total value of a company's outstanding shares on the stock market and is a common measure of its overall size and valuation.

Data updated: Nov 13, 2026, 4:00 PM ET

Occidental Petroleum Corp. (OXY)

🌍 United States 📈 NYSE 🏭 Energy 🏢 Oil, Gas & Consumable Fuels

Latest Market Cap

$58.74B ▲ 0.60%

Start of 2026

$40.51B ▲ 45.00%

1 Year Ago

$41.4B ▲ 41.88%

All-Time High

$94.082B ▼ 37.56%

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Note: Each point on the chart represents the market capitalization at the end of the trading day.
Source: Data compiled from EDGAR filings, Bloomberg and Yahoo Finance.

📈 Occidental Petroleum Market Cap History by Year and Month

Occidental Petroleum Market Cap History by Year and Month
Year / Month	Market Cap	% Change
2026	$58.74B	▲ 45.00%
November 13, 2026	$58.74B	▼ 8.19%
October 30, 2026	$63.98B	▲ 15.70%
September 30, 2026	$55.3B	▼ 8.08%
August 31, 2026	$60.16B	▲ 6.35%
July 31, 2026	$56.57B	▲ 17.51%
June 30, 2026	$48.14B	▼ 14.54%
May 29, 2026	$56.33B	▼ 6.24%
April 30, 2026	$60.08B	▼ 6.79%
March 31, 2026	$64.46B	▲ 23.13%
February 27, 2026	$52.35B	▲ 17.06%
January 30, 2026	$44.72B	▲ 10.39%
2025	$40.51B	▼ 12.64%
December 31, 2025	$40.51B	▼ 2.10%
November 28, 2025	$41.38B	▲ 2.02%
October 31, 2025	$40.56B	▼ 12.79%
September 30, 2025	$46.51B	▼ 0.77%
August 29, 2025	$46.87B	▲ 8.40%
July 31, 2025	$43.24B	▲ 4.60%
June 30, 2025	$41.34B	▲ 3.02%
May 30, 2025	$40.13B	▲ 3.48%
April 30, 2025	$38.78B	▼ 16.60%
March 31, 2025	$46.5B	▲ 1.37%
February 28, 2025	$45.87B	▲ 4.77%
January 31, 2025	$43.78B	▼ 5.58%
2024	$46.369B	▼ 11.51%
December 31, 2024	$46.369B	▼ 2.30%
November 29, 2024	$47.461B	▲ 0.94%
October 31, 2024	$47.02B	▼ 2.76%
September 30, 2024	$48.353B	▼ 9.26%
August 30, 2024	$53.287B	▼ 3.26%
July 31, 2024	$55.08B	▼ 1.44%
June 28, 2024	$55.885B	▲ 0.85%
May 31, 2024	$55.415B	▼ 5.50%
April 30, 2024	$58.642B	▲ 1.79%
March 28, 2024	$57.611B	▲ 8.08%
February 29, 2024	$53.306B	▲ 5.28%
January 31, 2024	$50.633B	▼ 3.37%
2023	$52.4B	▼ 8.47%
December 29, 2023	$52.4B	▲ 0.95%
November 30, 2023	$51.909B	▼ 4.61%
October 31, 2023	$54.416B	▼ 5.20%
September 29, 2023	$57.398B	▲ 3.33%
August 31, 2023	$55.549B	▼ 0.54%
July 31, 2023	$55.85B	▲ 7.36%
June 30, 2023	$52.019B	▲ 1.17%
May 31, 2023	$51.418B	▼ 6.29%
April 28, 2023	$54.869B	▼ 1.42%
March 31, 2023	$55.659B	▲ 5.60%
February 28, 2023	$52.708B	▼ 9.62%
January 31, 2023	$58.316B	▲ 1.86%
2022	$57.252B	▲ 111.43%
December 30, 2022	$57.252B	▼ 9.35%
November 30, 2022	$63.16B	▼ 4.28%
October 31, 2022	$65.987B	▲ 18.14%
September 30, 2022	$55.853B	▼ 15.55%
August 31, 2022	$66.136B	▲ 7.98%
July 29, 2022	$61.245B	▲ 11.67%
June 30, 2022	$54.846B	▼ 15.57%
May 31, 2022	$64.957B	▲ 25.81%
April 29, 2022	$51.63B	▼ 2.91%
March 31, 2022	$53.176B	▲ 30.19%
February 28, 2022	$40.846B	▲ 16.09%
January 31, 2022	$35.186B	▲ 29.94%
2021	$27.079B	▲ 67.94%
December 31, 2021	$27.079B	▼ 2.22%
November 30, 2021	$27.693B	▼ 11.57%
October 29, 2021	$31.316B	▲ 13.35%
September 30, 2021	$27.627B	▲ 15.17%
August 31, 2021	$23.988B	▼ 1.57%
July 30, 2021	$24.37B	▼ 16.53%
June 30, 2021	$29.198B	▲ 20.49%
May 28, 2021	$24.232B	▲ 2.37%
April 30, 2021	$23.672B	▼ 4.73%
March 31, 2021	$24.848B	▲ 0.24%
February 26, 2021	$24.789B	▲ 32.66%
January 29, 2021	$18.686B	▲ 15.89%
2020	$16.124B	▼ 56.24%
December 31, 2020	$16.124B	▲ 9.87%
November 30, 2020	$14.676B	▲ 72.62%
October 30, 2020	$8.502B	▼ 8.79%
September 30, 2020	$9.321B	▼ 21.34%
August 31, 2020	$11.85B	▼ 19.06%
July 31, 2020	$14.64B	▼ 12.87%
June 30, 2020	$16.803B	▲ 41.53%
May 29, 2020	$11.872B	▼ 21.99%
April 30, 2020	$15.219B	▲ 46.02%
March 31, 2020	$10.422B	▼ 64.44%
February 28, 2020	$29.31B	▼ 17.57%
January 31, 2020	$35.558B	▼ 3.50%
2019	$36.846B	▼ 19.90%
December 31, 2019	$36.846B	▲ 6.94%
November 29, 2019	$34.455B	▼ 4.77%
October 31, 2019	$36.179B	▼ 8.93%
September 30, 2019	$39.726B	▲ 2.14%
August 30, 2019	$38.892B	▲ 1.19%
July 31, 2019	$38.435B	▲ 2.17%
June 28, 2019	$37.619B	▲ 1.02%
May 31, 2019	$37.237B	▼ 15.45%
April 30, 2019	$44.043B	▼ 11.04%
March 29, 2019	$49.51B	▼ 0.15%
February 28, 2019	$49.583B	▼ 0.94%
January 31, 2019	$50.055B	▲ 8.82%
2018	$45.998B	▼ 18.40%
December 31, 2018	$45.998B	▼ 13.30%
November 30, 2018	$53.056B	▲ 4.77%
October 31, 2018	$50.64B	▼ 19.41%
September 28, 2018	$62.837B	▲ 2.88%
August 31, 2018	$61.078B	▼ 4.84%
July 31, 2018	$64.183B	▲ 0.16%
June 29, 2018	$64.08B	▼ 0.62%
May 31, 2018	$64.478B	▲ 8.98%
April 30, 2018	$59.163B	▲ 18.95%
March 29, 2018	$49.738B	▼ 0.91%
February 28, 2018	$50.194B	▼ 12.50%
January 31, 2018	$57.363B	▲ 1.77%
2017	$56.368B	▲ 3.55%
December 29, 2017	$56.368B	▲ 4.48%
November 30, 2017	$53.95B	▲ 9.18%
October 31, 2017	$49.412B	▲ 0.65%
September 29, 2017	$49.093B	▲ 7.55%
August 31, 2017	$45.645B	▼ 3.60%
July 31, 2017	$47.35B	▲ 3.44%
June 30, 2017	$45.775B	▲ 1.59%
May 31, 2017	$45.057B	▼ 4.24%
April 28, 2017	$47.052B	▼ 2.87%
March 31, 2017	$48.444B	▼ 3.30%
February 28, 2017	$50.099B	▼ 3.28%
January 31, 2017	$51.796B	▼ 4.85%
2016	$54.433B	▲ 5.42%
December 30, 2016	$54.433B	▼ 0.18%
November 30, 2016	$54.533B	▼ 2.13%
October 31, 2016	$55.717B	▼ 0.01%
September 30, 2016	$55.725B	▼ 5.08%
August 31, 2016	$58.708B	▲ 2.84%
July 29, 2016	$57.088B	▼ 1.10%
June 30, 2016	$57.723B	▲ 0.18%
May 31, 2016	$57.617B	▼ 1.58%
April 29, 2016	$58.541B	▲ 12.01%
March 31, 2016	$52.263B	▼ 0.57%
February 29, 2016	$52.561B	— 0.01%
January 29, 2016	$52.564B	▲ 1.80%
2015	$51.632B	▼ 16.88%
December 31, 2015	$51.632B	▼ 10.56%
November 30, 2015	$57.731B	▲ 1.41%
October 30, 2015	$56.929B	▲ 12.68%
September 30, 2015	$50.521B	▼ 9.42%
August 31, 2015	$55.776B	▲ 4.00%
July 31, 2015	$53.629B	▼ 9.73%
June 30, 2015	$59.412B	▼ 1.08%
May 29, 2015	$60.059B	▼ 2.38%
April 30, 2015	$61.526B	▲ 9.73%
March 31, 2015	$56.073B	▼ 6.56%
February 27, 2015	$60.01B	▼ 2.66%
January 30, 2015	$61.649B	▼ 0.76%
2014	$62.119B	▼ 17.94%
December 31, 2014	$62.119B	▲ 0.42%
November 28, 2014	$61.856B	▼ 10.30%
October 31, 2014	$68.959B	▼ 7.51%
September 30, 2014	$74.558B	▼ 7.81%
August 29, 2014	$80.871B	▲ 6.16%
July 31, 2014	$76.178B	▼ 4.79%
June 30, 2014	$80.013B	▲ 2.17%
May 30, 2014	$78.317B	▲ 4.11%
April 30, 2014	$75.222B	▲ 0.48%
March 31, 2014	$74.861B	▼ 2.41%
February 28, 2014	$76.709B	▲ 10.22%
January 31, 2014	$69.596B	▼ 8.06%
2013	$75.699B	▲ 22.67%
December 31, 2013	$75.699B	▼ 1.10%
November 29, 2013	$76.543B	▼ 1.17%
October 31, 2013	$77.446B	▲ 2.72%
September 30, 2013	$75.399B	▲ 6.08%
August 30, 2013	$71.076B	▼ 0.94%
July 31, 2013	$71.753B	▼ 0.19%
June 28, 2013	$71.887B	▼ 3.08%
May 31, 2013	$74.175B	▲ 3.15%
April 30, 2013	$71.911B	▲ 13.90%
March 28, 2013	$63.138B	▼ 4.80%
February 28, 2013	$66.318B	▼ 6.73%
January 31, 2013	$71.103B	▲ 15.22%
2012	$61.71B	▼ 18.87%
December 31, 2012	$61.71B	▲ 1.27%
November 30, 2012	$60.934B	▼ 4.75%
October 31, 2012	$63.972B	▼ 8.22%
September 28, 2012	$69.704B	▲ 1.24%
August 31, 2012	$68.854B	▼ 2.32%
July 31, 2012	$70.49B	▲ 1.33%
June 29, 2012	$69.565B	▲ 8.20%
May 31, 2012	$64.294B	▼ 13.10%
April 30, 2012	$73.986B	▼ 4.20%
March 30, 2012	$77.226B	▼ 8.77%
February 29, 2012	$84.65B	▲ 4.61%
January 31, 2012	$80.919B	▲ 6.38%
2011	$76.065B	▼ 4.60%
December 30, 2011	$76.065B	▼ 5.26%
November 30, 2011	$80.286B	▲ 6.41%
October 31, 2011	$75.448B	▲ 29.99%
September 30, 2011	$58.043B	▼ 17.67%
August 31, 2011	$70.5B	▼ 11.65%
July 29, 2011	$79.798B	▼ 5.63%
June 30, 2011	$84.561B	▼ 3.54%
May 31, 2011	$87.668B	▼ 5.63%
April 29, 2011	$92.903B	▲ 9.38%
March 31, 2011	$84.937B	▲ 2.47%
February 28, 2011	$82.886B	▲ 5.47%
January 31, 2011	$78.586B	▼ 1.44%
2010	$79.735B	▲ 20.72%
December 31, 2010	$79.735B	▲ 11.29%
November 30, 2010	$71.646B	▲ 12.13%
October 29, 2010	$63.894B	▲ 0.42%
September 30, 2010	$63.626B	▲ 7.19%
August 31, 2010	$59.359B	▼ 6.22%
July 30, 2010	$63.298B	▲ 1.01%
June 30, 2010	$62.664B	▼ 6.49%
May 28, 2010	$67.012B	▼ 6.94%
April 30, 2010	$72.007B	▲ 4.87%
March 31, 2010	$68.661B	▲ 5.90%
February 26, 2010	$64.835B	▲ 1.93%
January 29, 2010	$63.606B	▼ 3.70%
2009	$66.05B	▲ 35.95%
December 31, 2009	$66.05B	▲ 0.72%
November 30, 2009	$65.575B	▲ 6.47%
October 30, 2009	$61.59B	▼ 3.21%
September 30, 2009	$63.635B	▲ 7.37%
August 31, 2009	$59.268B	▲ 2.47%
July 31, 2009	$57.841B	▲ 8.40%
June 30, 2009	$53.357B	▼ 1.91%
May 29, 2009	$54.398B	▲ 19.22%
April 30, 2009	$45.628B	▲ 1.15%
March 31, 2009	$45.109B	▲ 7.33%
February 27, 2009	$42.03B	▼ 4.86%
January 30, 2009	$44.179B	▼ 9.07%
2008	$48.585B	▼ 23.84%
December 31, 2008	$48.585B	▲ 10.81%
November 28, 2008	$43.847B	▼ 2.52%
October 31, 2008	$44.981B	▼ 21.16%
September 30, 2008	$57.056B	▼ 12.01%
August 29, 2008	$64.843B	▲ 0.67%
July 31, 2008	$64.41B	▼ 12.27%
June 30, 2008	$73.423B	▼ 2.69%
May 30, 2008	$75.45B	▲ 10.48%
April 30, 2008	$68.293B	▲ 13.72%
March 31, 2008	$60.053B	▼ 5.64%
February 29, 2008	$63.642B	▲ 14.12%
January 31, 2008	$55.77B	▼ 12.58%
2007	$63.794B	▲ 55.33%
December 31, 2007	$63.794B	▲ 10.35%
November 30, 2007	$57.811B	▲ 1.04%
October 31, 2007	$57.215B	▲ 7.48%
September 28, 2007	$53.234B	▲ 13.04%
August 31, 2007	$47.095B	▼ 0.05%
July 31, 2007	$47.12B	▼ 2.36%
June 29, 2007	$48.261B	▲ 5.29%
May 31, 2007	$45.835B	▲ 8.42%
April 30, 2007	$42.274B	▲ 2.29%
March 30, 2007	$41.327B	▲ 6.92%
February 28, 2007	$38.653B	▼ 0.52%
January 31, 2007	$38.854B	▼ 5.39%
2006	$41.07B	▲ 27.90%
December 29, 2006	$41.07B	▼ 3.00%
November 30, 2006	$42.34B	▲ 7.24%
October 31, 2006	$39.48B	▼ 2.92%
September 29, 2006	$40.669B	▼ 5.65%
August 31, 2006	$43.104B	▼ 5.35%
July 31, 2006	$45.543B	▲ 5.07%
June 30, 2006	$43.345B	▲ 2.14%
May 31, 2006	$42.437B	▼ 3.55%
April 28, 2006	$44B	▲ 10.89%
March 31, 2006	$39.679B	▲ 7.75%
February 28, 2006	$36.825B	▼ 6.31%
January 31, 2006	$39.307B	▲ 22.41%
2005	$32.112B	▲ 38.69%
December 30, 2005	$32.112B	▲ 0.73%
November 30, 2005	$31.879B	▲ 0.53%
October 31, 2005	$31.71B	▼ 7.67%
September 30, 2005	$34.343B	▲ 3.46%
August 31, 2005	$33.195B	▲ 0.91%
July 29, 2005	$32.896B	▲ 6.95%
June 30, 2005	$30.757B	▲ 5.63%
May 31, 2005	$29.116B	▲ 5.96%
April 29, 2005	$27.479B	▼ 3.05%
March 31, 2005	$28.343B	▲ 1.54%
February 28, 2005	$27.913B	▲ 20.37%
January 31, 2005	$23.19B	▲ 0.16%
2004	$23.153B	▲ 41.62%
December 31, 2004	$23.153B	▼ 2.58%
November 30, 2004	$23.766B	▲ 7.85%
October 29, 2004	$22.037B	▼ 0.18%
September 30, 2004	$22.077B	▲ 9.12%
August 31, 2004	$20.231B	▲ 4.83%
July 30, 2004	$19.299B	▲ 1.78%
June 30, 2004	$18.962B	▲ 9.67%
May 28, 2004	$17.291B	▼ 6.36%
April 30, 2004	$18.464B	▲ 2.50%
March 31, 2004	$18.014B	▲ 4.53%
February 27, 2004	$17.234B	▲ 1.08%
January 30, 2004	$17.05B	▲ 4.29%
2003	$16.349B	▲ 52.08%
December 31, 2003	$16.349B	▲ 15.73%
November 28, 2003	$14.126B	▲ 4.03%
October 31, 2003	$13.58B	▲ 0.09%
September 30, 2003	$13.568B	▲ 3.25%
August 29, 2003	$13.14B	▲ 5.02%
July 31, 2003	$12.513B	▼ 2.56%
June 30, 2003	$12.842B	▲ 0.36%
May 30, 2003	$12.796B	▲ 13.03%
April 30, 2003	$11.321B	▼ 0.37%
March 31, 2003	$11.363B	▲ 0.55%
February 28, 2003	$11.3B	▲ 2.36%
January 31, 2003	$11.039B	▲ 2.69%
2002	$10.75B	▲ 8.31%
December 31, 2002	$10.75B	▲ 2.40%
November 29, 2002	$10.498B	▼ 2.38%
October 31, 2002	$10.754B	▲ 0.53%
September 30, 2002	$10.698B	▼ 4.30%
August 30, 2002	$11.179B	▲ 9.63%
July 31, 2002	$10.196B	▼ 9.32%
June 28, 2002	$11.244B	▲ 0.44%
May 31, 2002	$11.196B	▲ 3.86%
April 30, 2002	$10.78B	▼ 1.24%
March 28, 2002	$10.915B	▲ 8.61%
February 28, 2002	$10.05B	▲ 3.52%
January 31, 2002	$9.709B	▼ 2.19%
2001	$9.926B	▲ 10.81%
December 31, 2001	$9.926B	▲ 6.27%
November 30, 2001	$9.34B	▼ 1.26%
October 31, 2001	$9.459B	▲ 4.10%
September 28, 2001	$9.087B	▼ 11.56%
August 31, 2001	$10.274B	▼ 0.43%
July 31, 2001	$10.319B	▲ 4.75%
June 29, 2001	$9.851B	▼ 11.28%
May 31, 2001	$11.103B	▼ 0.50%
April 30, 2001	$11.159B	▲ 21.75%
March 30, 2001	$9.165B	▲ 3.17%
February 28, 2001	$8.884B	▲ 5.73%
January 31, 2001	$8.402B	▼ 6.20%
2000	$8.957B	▲ 12.58%
December 29, 2000	$8.957B	▲ 12.14%
November 30, 2000	$7.988B	▲ 8.81%
October 31, 2000	$7.341B	▼ 8.76%
September 29, 2000	$8.046B	▲ 0.87%
August 31, 2000	$7.977B	▲ 6.79%
July 31, 2000	$7.47B	▼ 3.86%
June 30, 2000	$7.77B	▼ 11.02%
May 31, 2000	$8.732B	▲ 10.50%
April 28, 2000	$7.902B	▲ 3.31%
March 31, 2000	$7.649B	▲ 29.36%
February 29, 2000	$5.913B	▼ 19.14%
January 31, 2000	$7.312B	▼ 8.09%
1999	$7.956B	▲ 35.59%
December 31, 1999	$7.956B	▼ 1.33%
November 30, 1999	$8.064B	▼ 3.84%
October 29, 1999	$8.385B	▼ 1.35%
September 30, 1999	$8.5B	▲ 12.45%
August 31, 1999	$7.559B	▲ 10.86%
July 30, 1999	$6.819B	▼ 7.40%
June 30, 1999	$7.363B	▲ 0.16%
May 28, 1999	$7.351B	▲ 4.64%
April 30, 1999	$7.025B	▲ 12.15%
March 31, 1999	$6.264B	▲ 20.08%
February 26, 1999	$5.217B	▼ 1.22%
January 29, 1999	$5.281B	▼ 10.00%
1998	$5.868B	▼ 41.32%
December 31, 1998	$5.868B	▼ 16.23%
November 30, 1998	$7.005B	▲ 1.89%
October 30, 1998	$6.875B	▼ 7.56%
September 30, 1998	$7.437B	▲ 13.87%
August 31, 1998	$6.531B	▼ 16.85%
July 31, 1998	$7.855B	▼ 17.59%
June 30, 1998	$9.532B	▼ 1.13%
May 29, 1998	$9.641B	▼ 6.16%
April 30, 1998	$10.274B	▲ 0.86%
March 31, 1998	$10.186B	▲ 16.82%
February 27, 1998	$8.72B	▲ 0.25%
January 30, 1998	$8.699B	▼ 13.01%
1997	$9.999B	▲ 29.93%
December 31, 1997	$9.999B	▲ 1.89%
November 28, 1997	$9.814B	▲ 6.52%
October 31, 1997	$9.213B	▲ 7.23%
September 30, 1997	$8.592B	▲ 10.67%
August 29, 1997	$7.764B	▼ 6.48%
July 31, 1997	$8.302B	— 0.00%
June 30, 1997	$8.302B	▲ 8.27%
May 30, 1997	$7.668B	▲ 5.68%
April 30, 1997	$7.256B	▼ 10.66%
March 31, 1997	$8.121B	▼ 3.73%
February 28, 1997	$8.437B	▲ 0.49%
January 31, 1997	$8.395B	▲ 9.09%
1996	$7.696B	▲ 13.01%
December 31, 1996	$7.696B	▼ 1.43%
November 29, 1996	$7.807B	▼ 2.04%
October 31, 1996	$7.97B	▲ 4.81%
September 30, 1996	$7.604B	▲ 1.25%
August 30, 1996	$7.51B	▲ 3.91%
July 31, 1996	$7.227B	▼ 8.56%
June 28, 1996	$7.904B	▼ 4.35%
May 31, 1996	$8.263B	▲ 0.98%
April 30, 1996	$8.183B	▼ 3.71%
March 29, 1996	$8.498B	▲ 15.14%
February 29, 1996	$7.381B	▲ 7.72%
January 31, 1996	$6.852B	▲ 0.62%
1995	$6.81B	▲ 13.24%
December 29, 1995	$6.81B	▼ 3.39%
November 30, 1995	$7.049B	▲ 2.91%
October 31, 1995	$6.85B	▼ 1.59%
September 29, 1995	$6.96B	▲ 0.57%
August 31, 1995	$6.921B	▼ 3.33%
July 31, 1995	$7.159B	▼ 1.64%
June 30, 1995	$7.278B	▼ 0.31%
May 31, 1995	$7.301B	— 0.00%
April 28, 1995	$7.301B	▲ 5.14%
March 31, 1995	$6.944B	▲ 10.79%
February 28, 1995	$6.267B	▲ 6.20%
January 31, 1995	$5.901B	▼ 1.87%
1994	$6.014B	▲ 15.75%
December 30, 1994	$6.014B	▼ 1.91%
November 30, 1994	$6.131B	▼ 10.29%
October 31, 1994	$6.834B	▲ 4.17%
September 30, 1994	$6.56B	▼ 5.47%
August 31, 1994	$6.94B	▲ 11.95%
July 29, 1994	$6.199B	▲ 5.30%
June 30, 1994	$5.887B	▼ 2.46%
May 31, 1994	$6.035B	▲ 9.15%
April 29, 1994	$5.529B	▲ 10.08%
March 31, 1994	$5.023B	▼ 9.32%
February 28, 1994	$5.539B	▲ 0.69%
January 31, 1994	$5.501B	▲ 5.88%
1993	$5.195B	▲ 0.62%
December 31, 1993	$5.195B	▼ 4.07%
November 30, 1993	$5.416B	▼ 4.70%
October 29, 1993	$5.682B	▼ 9.70%
September 30, 1993	$6.293B	▼ 3.42%
August 31, 1993	$6.516B	▲ 1.18%
July 30, 1993	$6.439B	▲ 0.60%
June 30, 1993	$6.401B	▼ 3.34%
May 28, 1993	$6.622B	▼ 1.69%
April 30, 1993	$6.737B	▲ 0.57%
March 31, 1993	$6.698B	▲ 8.91%
February 26, 1993	$6.151B	▲ 8.72%
January 29, 1993	$5.657B	▲ 9.56%
1992	$5.163B	▼ 4.08%
December 31, 1992	$5.163B	▼ 4.48%
November 30, 1992	$5.405B	▲ 5.15%
October 30, 1992	$5.141B	▼ 3.55%
September 30, 1992	$5.33B	▼ 11.17%
August 31, 1992	$6B	▼ 3.05%
July 31, 1992	$6.189B	▲ 4.46%
June 30, 1992	$5.924B	▼ 10.58%
May 29, 1992	$6.625B	▲ 6.02%
April 30, 1992	$6.249B	▲ 7.79%
March 31, 1992	$5.797B	▼ 0.65%
February 28, 1992	$5.835B	▲ 1.97%
January 31, 1992	$5.722B	▲ 6.29%
1991	$5.383B	▼ 1.15%
December 31, 1991	$5.383B	▼ 5.64%
November 29, 1991	$5.705B	▼ 14.92%
October 31, 1991	$6.705B	▼ 3.21%
September 30, 1991	$6.927B	▼ 6.21%
August 30, 1991	$7.386B	▲ 3.13%
July 31, 1991	$7.162B	▲ 12.53%
June 28, 1991	$6.365B	▲ 1.79%
May 31, 1991	$6.253B	▲ 11.26%
April 30, 1991	$5.62B	▲ 1.82%
March 28, 1991	$5.52B	▼ 7.45%
February 28, 1991	$5.964B	▲ 8.05%
January 31, 1991	$5.52B	▲ 1.36%
1990	$5.446B	▼ 31.87%
December 31, 1990	$5.446B	▼ 18.06%
November 30, 1990	$6.646B	▲ 11.80%
October 31, 1990	$5.944B	▲ 2.15%
September 28, 1990	$5.819B	▼ 18.56%
August 31, 1990	$7.145B	▼ 6.28%
July 31, 1990	$7.623B	▲ 0.59%
June 29, 1990	$7.579B	▼ 6.36%
May 31, 1990	$8.094B	▲ 2.33%
April 30, 1990	$7.91B	▲ 6.92%
March 30, 1990	$7.398B	▼ 3.10%
February 28, 1990	$7.635B	▲ 6.10%
January 31, 1990	$7.195B	▼ 9.98%
1989	$7.993B	▲ 18.11%
December 29, 1989	$7.993B	▼ 2.87%
November 30, 1989	$8.229B	▲ 8.93%
October 31, 1989	$7.555B	▼ 5.65%
September 29, 1989	$8.007B	▲ 1.28%
August 31, 1989	$7.906B	▲ 4.44%
July 31, 1989	$7.57B	▲ 2.74%
June 30, 1989	$7.368B	▼ 1.54%
May 31, 1989	$7.483B	▲ 3.70%
April 28, 1989	$7.216B	— 0.00%
March 31, 1989	$7.216B	▼ 8.05%
February 28, 1989	$7.847B	▼ 2.68%
January 31, 1989	$8.063B	▲ 19.14%
1988	$6.768B	▲ 29.94%
December 30, 1988	$6.768B	▼ 2.40%
November 30, 1988	$6.934B	▼ 1.89%
October 31, 1988	$7.068B	▲ 3.41%
September 30, 1988	$6.834B	▼ 3.26%
August 31, 1988	$7.065B	▲ 1.44%
July 29, 1988	$6.965B	▼ 1.42%
June 30, 1988	$7.065B	▲ 24.71%
May 31, 1988	$5.665B	▼ 1.39%
April 29, 1988	$5.745B	▲ 2.86%
March 31, 1988	$5.585B	▼ 0.42%
February 29, 1988	$5.609B	▲ 0.48%
January 29, 1988	$5.582B	▲ 7.18%
1987	$5.208B	▲ 14.97%
December 31, 1987	$5.208B	▲ 3.00%
November 30, 1987	$5.057B	▼ 8.33%
October 30, 1987	$5.516B	▼ 21.74%
September 30, 1987	$7.049B	▼ 6.42%
August 31, 1987	$7.532B	▲ 1.00%
July 31, 1987	$7.458B	— 0.00%
June 30, 1987	$7.458B	▲ 1.69%
May 29, 1987	$7.334B	▲ 6.86%
April 30, 1987	$6.863B	▲ 3.75%
March 31, 1987	$6.615B	▲ 25.99%
February 27, 1987	$5.251B	▼ 2.30%
January 30, 1987	$5.374B	▲ 18.64%
1986	$4.53B	▲ 31.63%
December 31, 1986	$4.53B	▲ 1.27%
November 28, 1986	$4.473B	▼ 3.00%
October 31, 1986	$4.612B	▲ 1.75%
September 30, 1986	$4.533B	▼ 2.14%
August 29, 1986	$4.632B	▲ 23.16%
July 31, 1986	$3.761B	▼ 11.21%
June 30, 1986	$4.236B	▲ 34.82%
May 30, 1986	$3.142B	▲ 14.50%
April 30, 1986	$2.744B	▲ 2.56%
March 31, 1986	$2.675B	▼ 9.49%
February 28, 1986	$2.956B	▼ 3.62%
January 31, 1986	$3.067B	▼ 10.89%
1985	$3.441B	N/A
December 31, 1985	$3.441B	▼ 11.92%
November 29, 1985	$3.907B	▲ 1.41%
October 31, 1985	$3.853B	▲ 13.60%
September 30, 1985	$3.392B	▲ 10.52%
August 30, 1985	$3.069B	▼ 5.56%
July 31, 1985	$3.249B	▼ 0.41%
June 28, 1985	$3.263B	▲ 8.37%
May 31, 1985	$3.011B	▲ 5.02%
April 30, 1985	$2.867B	— 0.00%
March 29, 1985	$2.867B	▲ 1.27%
February 28, 1985	$2.831B	▲ 5.36%
January 31, 1985	$2.687B	N/A

All market cap values reflect closing prices for the period shown.

📊 Occidental Petroleum Market Cap and Other Industry Peers

Below are selected companies for comparison based on industry, sub-industry, and sector:

Note: Market capitalization figures are based on available sources and may differ slightly from actual values, particularly for historical data.