Energy Recovery, Inc. - ERII - Stock Historical Data & Price

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
October 17, 2025	16.63	16.76	16.76	16.88	16.53	457,900
October 16, 2025	16.45	16.77	16.77	16.83	16.36	564,906
October 15, 2025	15.96	16.34	16.34	16.38	15.77	436,600
October 14, 2025	15.35	15.74	15.74	15.85	15.35	271,200
October 13, 2025	15.53	15.56	15.56	15.58	15.24	294,900
October 10, 2025	15.32	15.27	15.27	15.43	15.18	364,337
October 09, 2025	15.51	15.32	15.32	15.79	15.29	647,200
October 08, 2025	15.57	15.44	15.44	15.69	15.35	464,600
October 07, 2025	15.77	15.56	15.56	15.89	15.44	215,608
October 06, 2025	15.82	15.79	15.79	15.86	15.62	292,003
October 03, 2025	15.88	15.77	15.77	16.28	15.75	466,245
October 02, 2025	15.92	15.87	15.87	15.94	15.68	347,900
October 01, 2025	15.25	15.84	15.84	15.85	15.22	371,521
September 30, 2025	15.31	15.42	15.42	15.45	15.23	325,000
September 29, 2025	15.45	15.35	15.35	15.47	15.14	497,917
September 26, 2025	15.33	15.32	15.32	15.45	15.07	479,200
September 25, 2025	15.07	15.24	15.24	15.27	14.89	435,600
September 24, 2025	15.01	15.28	15.28	15.33	15	388,100
September 23, 2025	15.05	15.06	15.06	15.36	14.98	387,300
September 22, 2025	14.7	14.95	14.95	15.05	14.51	396,000
September 19, 2025	15.02	14.69	14.69	15.03	14.58	1.14M
September 18, 2025	14.7	15.14	15.14	15.23	14.53	500,300
September 17, 2025	14.68	14.6	14.6	14.94	14.52	634,300
September 16, 2025	14.69	14.62	14.62	14.85	14.51	665,400
September 15, 2025	14.38	14.55	14.55	14.64	14.2	397,138
September 12, 2025	14.51	14.36	14.36	14.51	14.28	258,800
September 11, 2025	14.53	14.53	14.53	14.65	14.41	369,300
September 10, 2025	14.32	14.59	14.59	14.59	14.2	360,613
September 09, 2025	14.52	14.38	14.38	14.55	14.06	508,454
September 08, 2025	14.45	14.58	14.58	14.66	14.31	437,531
September 05, 2025	14.35	14.42	14.42	14.57	14.26	325,647
September 04, 2025	14.14	14.31	14.31	14.37	13.92	487,543
September 03, 2025	14.3	14.1	14.1	14.47	14.09	564,300
September 02, 2025	14.08	14.34	14.34	14.39	14.06	438,923
August 29, 2025	14.42	14.21	14.21	14.42	14.1	210,500
August 28, 2025	14.57	14.41	14.41	14.57	14.34	295,700
August 27, 2025	14.45	14.57	14.57	14.6	14.41	318,500
August 26, 2025	14.54	14.52	14.52	14.76	14.49	305,619
August 25, 2025	14.7	14.49	14.49	14.71	14.49	240,628
August 22, 2025	14.33	14.73	14.73	14.82	14.19	328,929
August 21, 2025	14.24	14.19	14.19	14.73	14	315,343
August 20, 2025	14.38	14.34	14.34	14.44	14.2	410,700
August 19, 2025	14.32	14.42	14.42	14.55	14.28	337,826
August 18, 2025	14.16	14.25	14.25	14.3	14.11	452,200
August 15, 2025	14.54	14.18	14.18	14.54	14.03	377,326
August 14, 2025	14.45	14.49	14.49	14.72	14.33	480,500
August 13, 2025	14.4	14.62	14.62	14.69	14.29	481,108
August 12, 2025	14.01	14.3	14.3	14.44	13.95	581,600
August 11, 2025	14.26	13.89	13.89	14.4	13.84	559,214
August 08, 2025	14.68	14.19	14.19	14.71	14.06	450,300
August 07, 2025	14.98	14.65	14.65	15.24	14.51	871,000
August 06, 2025	13.66	13.62	13.62	13.81	13.56	354,800
August 05, 2025	13.41	13.63	13.63	13.76	13.41	276,357
August 04, 2025	12.85	13.33	13.33	13.34	12.84	338,300
August 01, 2025	13.3	12.79	12.79	13.3	12.66	565,935
July 31, 2025	13.58	13.56	13.56	13.75	13.48	240,487
July 30, 2025	13.65	13.64	13.64	13.97	13.57	453,416
July 29, 2025	13.75	13.67	13.67	13.79	13.41	520,475
July 28, 2025	13.97	13.72	13.72	13.97	13.71	313,800
July 25, 2025	13.97	13.88	13.88	14.04	13.83	320,400

Energy Recovery, Inc. (ERII) NASDAQ