Kosmos Energy Ltd. (KOS) NYSE

Currency In USD

KOS Historical Return

If you invested $1000 in Kosmos Energy Ltd. (KOS) 10 years ago, it would be worth $447.37 as of November 12, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $563.54, while $1000 invested 1 year ago would be worth $1,406.9. This corresponds to total returns of -55.26%, -43.65%, 40.69%, respectively, with annualized returns of -7.73%, -10.83%, 40.69%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

KOS Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
November 11, 2026	2.16	2.04	2.04	2.17	2.04	18.53M
November 10, 2026	2.01	2.11	2.11	2.13	1.97	17.99M
November 09, 2026	2.06	2.07	2.07	2.15	2.03	15.77M
November 06, 2026	2.22	2.11	2.11	2.24	2.1	15.47M
November 05, 2026	2.27	2.2	2.2	2.32	2.12	19.95M
November 04, 2026	2.5	2.25	2.25	2.5	2.17	27.14M
November 03, 2026	2.42	2.59	2.59	2.61	2.32	24.21M
November 02, 2026	2.55	2.47	2.47	2.6	2.38	39.06M
October 30, 2026	2.69	2.85	2.85	2.9	2.68	26.16M
October 29, 2026	2.74	2.68	2.68	2.77	2.66	12.96M
October 28, 2026	2.75	2.76	2.76	2.82	2.75	14.71M
October 27, 2026	2.86	2.77	2.77	2.86	2.74	14.09M
October 26, 2026	2.82	2.85	2.85	2.95	2.82	19.55M
October 23, 2026	2.76	2.87	2.87	2.93	2.75	17.38M
October 22, 2026	2.72	2.7	2.7	2.8	2.67	12.77M
October 21, 2026	2.72	2.7	2.7	2.72	2.61	14.86M
October 20, 2026	2.83	2.76	2.76	2.84	2.67	9.1M
October 19, 2026	2.76	2.79	2.79	2.84	2.76	12.06M
October 16, 2026	2.71	2.78	2.78	2.81	2.65	11.24M
October 15, 2026	2.74	2.68	2.68	2.74	2.6	7.84M
October 14, 2026	2.81	2.71	2.71	2.82	2.69	10.31M
October 13, 2026	2.75	2.78	2.78	2.82	2.72	7.53M
October 12, 2026	2.7	2.72	2.72	2.78	2.66	10.07M
October 09, 2026	2.71	2.64	2.64	2.74	2.62	8.93M
October 08, 2026	2.69	2.69	2.69	2.75	2.64	12.18M
October 07, 2026	2.64	2.59	2.59	2.7	2.55	11.77M
October 06, 2026	2.54	2.6	2.6	2.64	2.47	16.29M
October 05, 2026	2.52	2.52	2.52	2.63	2.43	16.82M
October 02, 2026	2.54	2.51	2.51	2.57	2.47	11.98M
October 01, 2026	2.55	2.58	2.58	2.63	2.49	13.72M
September 30, 2026	2.56	2.54	2.54	2.6	2.43	15.39M
September 29, 2026	2.52	2.58	2.58	2.66	2.5	11.58M
September 28, 2026	2.7	2.58	2.58	2.73	2.56	17.88M
September 25, 2026	2.72	2.65	2.65	2.75	2.61	11.57M
September 24, 2026	2.7	2.79	2.79	2.85	2.69	11.84M
September 23, 2026	2.62	2.65	2.65	2.69	2.55	16.4M
September 22, 2026	2.55	2.57	2.57	2.63	2.52	14.25M
September 21, 2026	2.63	2.63	2.63	2.66	2.59	12.62M
September 18, 2026	2.87	2.73	2.73	2.87	2.72	15.75M
September 17, 2026	2.82	2.84	2.84	2.89	2.81	8.83M
September 16, 2026	2.98	2.87	2.87	3	2.85	16.32M
September 15, 2026	2.96	3.09	3.09	3.1	2.95	13.63M
September 11, 2026	2.89	3.02	3.02	3.04	2.89	13.03M
September 10, 2026	2.94	2.94	2.94	3	2.87	10.3M
September 09, 2026	2.96	2.87	2.87	2.96	2.83	10.08M
September 08, 2026	2.89	2.85	2.85	2.92	2.8	7.61M
September 04, 2026	2.77	2.78	2.78	2.8	2.68	14.31M
September 03, 2026	2.95	2.82	2.82	2.95	2.81	8.81M
September 02, 2026	2.9	2.93	2.93	3	2.88	10.09M
September 01, 2026	2.93	2.95	2.95	2.98	2.85	11.42M
August 31, 2026	2.9	2.86	2.86	2.91	2.8	10.07M
August 28, 2026	2.84	2.76	2.76	2.87	2.73	10.5M
August 27, 2026	2.82	2.87	2.87	2.91	2.75	9.35M
August 26, 2026	2.65	2.78	2.78	2.8	2.59	12.4M
August 25, 2026	2.75	2.73	2.73	2.79	2.68	9.42M
August 24, 2026	2.9	2.86	2.86	2.95	2.82	11.43M
August 21, 2026	3.02	2.96	2.96	3.06	2.94	14.94M
August 20, 2026	2.91	3.02	3.02	3.04	2.87	21.18M
August 19, 2026	2.76	2.82	2.82	2.87	2.73	16.58M
August 18, 2026	2.69	2.74	2.74	2.75	2.58	14.23M