Acorn Energy, Inc. (ACFN) NASDAQ

Currency In USD

ACFN Historical Return

If you invested $1000 in Acorn Energy, Inc. (ACFN) 10 years ago, it would be worth $7,041.12 as of September 17, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $2,058.17, while $1000 invested 1 year ago would be worth $730.8. This corresponds to total returns of 604.11%, 105.82%, -26.92%, respectively, with annualized returns of 21.55%, 15.52%, -26.92%.

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

ACFN Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
September 16, 2026	20.45	20.78	20.78	20.97	19.28	78,605
September 15, 2026	20.6	20.3	20.3	20.87	19.92	28,345
September 11, 2026	20.53	21.62	21.62	21.76	20.38	97,150
September 10, 2026	19.3	20.97	20.97	21.01	18.79	85,425
September 09, 2026	19.23	19	19	19.5	18.94	35,858
September 08, 2026	18.8	19.5	19.5	19.59	18.49	91,520
September 04, 2026	18.95	19.03	19.03	19.36	18.1	109,121
September 03, 2026	19.7	18.76	18.76	20.31	18.6	0
September 02, 2026	18.8	19.53	19.53	19.8	18.8	110,877
September 01, 2026	19.16	19.17	19.17	19.6	18.48	110,284
August 31, 2026	18.96	19.14	19.14	20.09	18.96	39,179
August 28, 2026	20.58	19.73	19.73	21.2	19.7	22,179
August 27, 2026	21.49	20.65	20.65	21.49	20.65	10,279
August 26, 2026	20.33	21.1	21.1	21.21	19.71	62,228
August 25, 2026	21.15	20.23	20.23	21.38	19.57	241,215
August 24, 2026	18.48	21	21	21	17.68	30,187
August 21, 2026	18.75	18.81	18.81	19.27	18.45	67,493
August 20, 2026	19.26	19.25	19.25	19.31	18.45	39,160
August 19, 2026	19.52	19.18	19.18	19.98	19.18	22,585
August 18, 2026	19.43	19.43	19.43	19.43	19.21	3,414
August 17, 2026	19.5	19.48	19.48	20.25	19.19	6,618
August 14, 2026	18.38	19.4	19.4	19.48	18.27	87,925
August 13, 2026	18.06	18.48	18.48	18.79	17.8	32,643
August 12, 2026	17.97	18.37	18.37	18.4	17.56	0
August 11, 2026	18.3	17.73	17.73	18.49	17.49	41,186
August 10, 2026	18.8	18.38	18.38	19.15	17.87	30,541
August 07, 2026	17.93	19	19	19.52	17.71	0
August 06, 2026	17.75	18.95	18.95	19.42	17.01	25,581
August 05, 2026	18.22	19.15	19.15	21.13	18	334,875
August 04, 2026	18.72	18.2	18.2	19.45	18.02	16,505
August 03, 2026	19.5	18.66	18.66	20	18.21	23,400
July 31, 2026	18.79	18.85	18.85	19.13	18.75	10,180
July 30, 2026	19.66	19.66	19.66	19.66	19.66	923
July 29, 2026	20	18.75	18.75	20.05	18.75	6,298
July 28, 2026	19.87	19.2	19.2	19.87	19.01	3,675
July 27, 2026	20.52	20.2	20.2	20.52	19.37	15,164
July 23, 2026	20.88	20.5	20.5	20.88	20.5	2,975
July 22, 2026	20.36	21.04	21.04	21.16	20.36	6,084
July 21, 2026	20.1	20.2	20.2	20.45	19.36	3,933
July 20, 2026	20.39	20.04	20.04	20.39	19.79	3,757
July 17, 2026	19.77	20.18	20.18	20.3	18.92	38,449
July 16, 2026	18.14	19.77	19.77	20	18.14	19,199
July 15, 2026	18.18	18.14	18.14	18.39	18.04	6,431
July 14, 2026	18.29	18.05	18.05	18.29	18.05	3,368
July 13, 2026	17.13	18.3	18.3	18.45	17.02	34,796
July 10, 2026	16.93	17.25	17.25	17.25	16.38	20,545
July 09, 2026	16.65	16.91	16.91	16.91	16.65	11,497
July 08, 2026	16.61	16.79	16.79	16.91	16.51	7,096
July 07, 2026	16.97	16.97	16.97	16.97	16.43	2,181
July 06, 2026	16.76	16.95	16.95	17	16.63	8,553
July 02, 2026	16.55	16.89	16.89	17.05	16.41	10,337
July 01, 2026	17.02	17.25	17.25	17.25	17	10,563
June 30, 2026	17.01	17.03	17.03	17.03	17	1,393
June 29, 2026	16.88	17.2	17.2	17.2	16.88	4,763
June 26, 2026	16.24	17.24	17.24	17.25	16.06	21,223
June 25, 2026	16.5	16.23	16.23	17	16.23	13,402
June 24, 2026	16.5	16.52	16.52	16.99	16.5	4,805
June 23, 2026	15.87	16.41	16.41	16.5	15.87	6,680
June 22, 2026	16.4	16.33	16.33	16.4	15.85	7,328
June 18, 2026	17.15	16.3	16.3	17.15	16.11	7,308