Ocean Power Technologies, Inc. (OPTT) AMEX

Currency In USD

OPTT Historical Return

If you invested $1000 in Ocean Power Technologies, Inc. (OPTT) 10 years ago, it would be worth $0.35 as of October 24, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $10.96, while $1000 invested 1 year ago would be worth $44.06. This corresponds to total returns of -99.97%, -98.9%, -95.59%, respectively, with annualized returns of -54.87%, -59.45%, -95.59%.

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

OPTT Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
October 23, 2026	0.65	0.69	0.69	0.73	0.62	612,524
October 22, 2026	0.56	0.65	0.65	0.65	0.56	282,387
October 21, 2026	0.57	0.61	0.61	0.61	0.55	277,983
October 20, 2026	0.57	0.55	0.55	0.6	0.54	282,447
October 19, 2026	0.63	0.58	0.58	0.66	0.56	391,418
October 16, 2026	0.68	0.61	0.61	0.68	0.59	461,056
October 15, 2026	0.64	0.68	0.68	0.68	0.63	282,842
October 14, 2026	0.71	0.66	0.66	0.71	0.65	383,219
October 13, 2026	0.69	0.72	0.72	0.72	0.66	400,921
October 12, 2026	0.82	0.7	0.7	0.84	0.62	2.02M
October 09, 2026	0.9	0.85	0.85	0.91	0.83	875,855
October 08, 2026	0.98	0.9	0.9	0.99	0.89	859,380
October 07, 2026	1.1	0.96	0.96	1.26	0.95	1.47M
October 06, 2026	0.96	1.06	1.06	1.32	0.92	3.57M
October 05, 2026	1.02	0.96	0.96	1.05	0.91	664,118
October 02, 2026	1.04	1.02	1.02	1.11	1	635,683
October 01, 2026	1.3	1.02	1.02	1.38	1.01	896,270
September 30, 2026	1.4	1.34	1.34	1.42	1.27	445,766
September 29, 2026	1.65	1.36	1.36	1.66	1.35	648,593
September 28, 2026	1.96	1.67	1.67	1.97	1.67	542,781
September 25, 2026	2.1	2.01	2.01	2.15	2	159,974
September 24, 2026	2.16	2.09	2.09	2.29	2.05	320,626
September 23, 2026	2.1	2.2	2.2	2.22	2.01	219,046
September 22, 2026	2.28	2.12	2.12	2.31	2.11	335,207
September 21, 2026	2.18	2.3	2.3	2.38	2.16	429,629
September 18, 2026	2.01	2.11	2.11	2.19	1.98	562,805
September 17, 2026	1.89	1.93	1.93	1.99	1.82	357,154
September 16, 2026	2.05	1.82	1.82	2.07	1.75	782,557
September 15, 2026	2.54	2.05	2.05	2.6	2	748,821
September 14, 2026	3.23	2.73	2.73	3.23	2.45	762,575
September 11, 2026	4.13	3.2	3.2	4.43	2.86	2.12M
September 10, 2026	4.72	4.8	4.8	4.87	4.58	204,383
September 09, 2026	4.81	4.76	4.76	4.9	4.72	145,323
September 08, 2026	4.8	4.85	4.85	4.98	4.56	426,273
September 04, 2026	5.64	5.62	5.62	5.64	5.34	114,147
September 03, 2026	5.1	5.83	5.83	5.95	4.94	418,141
September 02, 2026	5	5.01	5.01	5.13	4.95	46,433
September 01, 2026	5.14	5.01	5.01	5.15	4.92	69,447
August 31, 2026	5.04	5.2	5.2	5.23	4.88	89,723
August 28, 2026	5.4	5.13	5.13	5.4	4.95	150,007
August 27, 2026	5.47	5.37	5.37	5.5	5.25	99,760
August 26, 2026	5.47	5.44	5.44	5.58	5.01	177,174
August 25, 2026	5.44	5.59	5.59	5.69	5.34	131,463
August 24, 2026	5.58	5.45	5.45	5.66	5.28	130,147
August 21, 2026	5.72	5.53	5.53	5.92	5.49	97,860
August 20, 2026	5.8	5.66	5.66	5.85	5.31	177,623
August 19, 2026	5.78	5.91	5.91	6.27	5.61	119,877
August 18, 2026	5.91	5.64	5.64	5.96	5.43	85,900
August 17, 2026	6.08	5.81	5.81	6.45	5.58	205,491
August 14, 2026	6.15	6.21	6.21	6.21	5.96	65,421
August 13, 2026	5.96	6.15	6.15	6.15	5.87	122,810
August 12, 2026	6.18	6.01	6.01	6.26	5.85	128,570
August 11, 2026	5.64	6.12	6.12	6.45	5.64	226,978
August 10, 2026	5.64	5.61	5.61	5.72	5.48	106,827
August 07, 2026	5.51	5.54	5.54	5.72	5.41	173,713
August 06, 2026	5.41	5.31	5.31	5.56	5.28	123,510
August 05, 2026	5.19	5.4	5.4	5.76	5.19	174,447
August 04, 2026	5.52	5.47	5.47	5.7	5.31	185,727
August 03, 2026	5.5	5.4	5.4	5.66	5.33	195,357
July 31, 2026	5.46	5.43	5.43	5.69	5.03	578,984