Energy Recovery, Inc. (ERII) stock Beta

Beta

0.870.02-2.25%

January 12, 2026

Summary

Current Value: As of today, ERII beta is 0.87, down -2.25% on January 12, 2026
Current Value Category: Based on its current beta, ERII falls into the high volatility category
1-Year High: ERII beta reached a 1-year high of 0.96 on February 24, 2025
1-Year Low: ERII beta reached a 1-year low of 0.75 on April 17, 2025

Beta Chart

Performance

ERII Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
Beta	Jan 12, 26	0.87	-2.3%	-3.3%	+2.4%	-2.3%	-3.3%	-23.7%	-17.9%
Price	Jan 13, 26	$14.26	-0.1%	-1.4%	-8.3%	+5.7%	+1.4%	-35.7%	+1.0%
SPX	Jan 13, 26	6,950.38	-0.4%	+1.8%	+4.4%	+1.5%	+19.1%	+73.8%	+82.4%
200-Day SMA	Jan 12, 26	$14.30	-0.1%	-1.3%	-0.3%	-0.6%	-8.0%	-32.7%	+57.3%
50-Day SMA	Jan 12, 26	$14.48	-0.4%	-6.0%	-1.5%	-3.1%	-11.8%	-32.0%	+20.7%
14-Day RSI	Jan 12, 26	50.90	+3.9%	+9.8%	-14.9%	+47.3%	+55.7%	-14.8%	-14.3%
ATR	Jan 12, 26	$0.40	-0.5%	-14.8%	+1.5%	+9.1%	-30.6%	-40.7%	-30.4%
10-Day Volatility	Jan 12, 26	35.85%	+0.4%	+42.1%	+76.1%	+57.2%	+14.8%	+12.2%	-29.8%
1-Month Volatility	Jan 12, 26	30.06%	+2.7%	-6.0%	+30.0%	+27.5%	-4.2%	-9.4%	-28.7%
1-Year Volatility	Jan 12, 26	41.30%	-0.4%	-0.6%	-6.8%	+0.2%	-20.7%	-11.4%	-29.0%

Beta History

Date	Value	Change
Jan 13, 2026	0.87	-2.2%
Dec 31, 2025	0.89	+2.3%
Dec 31, 2024	0.87	-42.4%
Dec 31, 2023	1.51	+31.3%
Dec 31, 2022	1.15	-13.5%
Dec 31, 2021	1.33	+26.7%
Dec 31, 2020	1.05	-29.1%
Dec 31, 2019	1.48	+31.0%
Dec 31, 2018	1.13	-56.4%
Dec 31, 2017	2.59	+44.7%

Date	Value	Change
Dec 31, 2016	1.79	+55.7%
Dec 31, 2015	1.15	-41.9%
Dec 31, 2014	1.98	+1.5%
Dec 31, 2013	1.95	+34.5%
Dec 31, 2012	1.45	-16.2%
Dec 31, 2011	1.73	+21.8%
Dec 31, 2010	1.42	+63.2%
Dec 31, 2009	0.87	+6.1%
Dec 31, 2008	0.82	-

FAQ

What is the current beta of ERII?
As of today, ERII beta is 0.87
What beta category does ERII fall into?
Based on its current beta, ERII falls into the high volatility category
What is ERII beta 1-year high?
ERII beta reached a 1-year high of 0.96 on February 24, 2025
What is ERII beta 1-year low?
ERII beta reached a 1-year low of 0.75 on April 17, 2025

Data Sources & References

ERII Official Website www.energyrecovery.com
Most Recent Quarterly Report (10-Q) www.sec.gov/Archives/edgar/data/1421517/000142151725000134/0001421517-25-000134-index.htm
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1421517/000142151725000048/0001421517-25-000048-index.htm
ERII Profile on Yahoo Finance finance.yahoo.com/quote/ERII
ERII Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/erii