NASDAQ · ERII

Energy Recovery, Inc.

Industrials · Industrial - Pollution & Treatment Controls

$6.73

Down-$0.35 (-4.94%)

Updated Oct 8, 2026, 2:15 AM

SID Score

3.5/10

Composite research score

Smart Money

—

Institutional and insider signal

Price performance · ERII

ERII price history

1M range · 21 trading sessions · Daily adjusted prices

Prices through Oct 7, 2026

Daily close

View OHLC price history

ERII OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
Oct 7, 2026	$6.94	$6.945	$6.6316	$6.73	688.98K
Oct 6, 2026	$6.90	$7.145	$6.87	$7.08	1.39M
Oct 5, 2026	$6.75	$6.84	$6.63	$6.83	872.15K
Oct 2, 2026	$6.81	$6.825	$6.71	$6.77	618.16K
Oct 1, 2026	$6.68	$6.765	$6.60	$6.70	725.71K
Sep 30, 2026	$6.75	$6.775	$6.66	$6.67	824.64K
Sep 29, 2026	$6.75	$6.82	$6.70	$6.75	689.56K
Sep 28, 2026	$6.78	$6.79	$6.60	$6.72	931.38K
Sep 25, 2026	$6.83	$6.895	$6.77	$6.81	681.67K
Sep 24, 2026	$6.76	$6.84	$6.69	$6.83	800.54K
Sep 23, 2026	$7.06	$7.06	$6.775	$6.80	777.8K
Sep 22, 2026	$7.06	$7.135	$6.95	$7.12	754.24K
Sep 21, 2026	$7.00	$7.07	$6.91	$7.03	985.9K
Sep 18, 2026	$6.97	$7.06	$6.885	$6.99	1.95M
Sep 17, 2026	$7.19	$7.204	$6.955	$7.05	656.44K
Sep 16, 2026	$7.08	$7.325	$7.05	$7.10	913.48K
Sep 15, 2026	$7.11	$7.1194	$6.895	$7.06	1.29M
Sep 14, 2026	$7.18	$7.27	$6.93	$7.09	2.02M
Sep 11, 2026	$7.39	$7.59	$7.325	$7.55	929.29K
Sep 10, 2026	$7.35	$7.415	$7.25	$7.27	810.72K
Sep 9, 2026	$7.64	$7.68	$7.33	$7.38	922.8K