Oceaneering International, Inc. (OII) NYSE

Currency In USD

OII Historical Return

If you invested $1000 in Oceaneering International, Inc. (OII) 10 years ago, it would be worth $2,000.39 as of September 11, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $3,873.39, while $1000 invested 1 year ago would be worth $2,063.41. This corresponds to total returns of 100.04%, 287.34%, 106.34%, respectively, with annualized returns of 7.18%, 31.12%, 106.34%.

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

OII Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
September 11, 2026	50.88	51.09	51.09	51.4	50.51	1.14M
September 10, 2026	49.03	50.57	50.57	51.06	49.01	934,187
September 09, 2026	50.79	48.49	48.49	51.47	48.45	961,234
September 08, 2026	52.02	50.68	50.68	52.03	50.56	636,237
September 04, 2026	51.33	51.4	51.4	51.97	50.99	393,929
September 03, 2026	51.81	51.78	51.78	52.45	51.25	806,855
September 02, 2026	51.25	51.63	51.63	52.38	50.52	649,010
September 01, 2026	52.07	51.32	51.32	52.7	51.18	613,106
August 31, 2026	51.91	51.76	51.76	52.2	50.76	926,085
August 28, 2026	50.69	50.59	50.59	51.78	50	578,598
August 27, 2026	49.27	51.21	51.21	51.56	49.04	960,224
August 26, 2026	49.5	49.62	49.62	49.88	48.15	912,312
August 25, 2026	50.66	49.91	49.91	52.18	49.89	1.08M
August 24, 2026	52.49	50.46	50.46	53.37	49.87	824,728
August 21, 2026	52.9	53	53	53.85	51.88	964,307
August 20, 2026	53.03	52.49	52.49	53.59	51.26	705,272
August 19, 2026	53.64	52.69	52.69	54	52.46	1.03M
August 18, 2026	53.91	53.1	53.1	54	52.12	1.06M
August 17, 2026	52.36	54.11	54.11	54.25	51.95	2.03M
August 14, 2026	51.44	52.2	52.2	53.1	51.26	447,639
August 13, 2026	50.78	51.35	51.35	51.69	50.39	519,199
August 12, 2026	51.03	51.02	51.02	51.42	49.78	707,365
August 11, 2026	51.41	50.76	50.76	52	50.55	463,274
August 10, 2026	48.52	51.12	51.12	51.14	48.47	750,510
August 07, 2026	48.81	47.97	47.97	49.28	47.93	597,489
August 06, 2026	49.25	49.25	49.25	50.1	48.84	940,780
August 05, 2026	50.42	48.07	48.07	50.46	48.04	1.01M
August 04, 2026	48.48	50.43	50.43	50.6	48.34	884,126
August 03, 2026	48.12	48.72	48.72	49.27	47.01	702,560
July 31, 2026	48.44	48.78	48.78	48.99	47.14	729,854
July 30, 2026	46.84	47.64	47.64	48.24	46.58	752,428
July 29, 2026	49.01	46.58	46.58	50.14	46.57	1.21M
July 28, 2026	51.82	47.99	47.99	52.14	47.56	1.5M
July 27, 2026	51.61	52.17	52.17	53.98	51.1	1.67M
July 24, 2026	48.26	52.73	52.73	53.1	47.66	3.95M
July 23, 2026	47.22	48.02	48.02	51.48	46.49	2.6M
July 22, 2026	45.13	45	45	45.91	44.85	1.31M
July 21, 2026	43.5	44.65	44.65	45.14	42.86	915,448
July 20, 2026	42.22	42.82	42.82	43.58	42.06	882,082
July 17, 2026	42.43	42.28	42.28	42.94	41.42	575,825
July 16, 2026	42.5	42.3	42.3	43.15	42.15	876,130
July 15, 2026	43.51	42.66	42.66	43.61	41.92	964,655
July 14, 2026	43.96	43.28	43.28	44.22	42.54	756,597
July 13, 2026	42.42	43.22	43.22	43.92	42.42	837,706
July 10, 2026	40.62	42.1	42.1	42.31	40.5	779,611
July 09, 2026	41.1	40.68	40.68	41.36	40.57	728,580
July 08, 2026	40.23	41.17	41.17	41.49	40.23	957,960
July 07, 2026	38.97	39.88	39.88	40.04	38.83	1.05M
July 06, 2026	38.53	38.88	38.88	40.15	38.53	928,363
July 02, 2026	39.52	38.5	38.5	40.01	37.89	746,750
July 01, 2026	40.43	39.39	39.39	40.79	39.38	826,315
June 30, 2026	39.73	40.52	40.52	41.15	39.63	1.34M
June 29, 2026	39.91	39.53	39.53	40.66	39.16	1.42M
June 26, 2026	39.22	40.03	40.03	40.03	38.65	4.92M
June 25, 2026	36.5	39.37	39.37	39.41	36.36	1.41M
June 24, 2026	35.51	36.29	36.29	36.37	34.8	1.14M
June 23, 2026	35.67	36.28	36.28	36.86	35.67	693,420
June 22, 2026	36.06	36.19	36.19	36.5	35.09	1.08M
June 18, 2026	36.42	36.06	36.06	36.42	35.18	2.24M
June 17, 2026	37.4	35.5	35.5	37.5	35.07	1.56M