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ERII vs SPY

Comparison between Energy Recovery Inc (ERII, Company) and SPDR S&P 500 ETF Trust (SPY, ETF).

5-Year PerformanceSPY has outperformed ERII, delivering a return of +13.3% compared to -16.3%

ERII vs SPY - Performance Comparison

Key Characteristics

Financial metrics and valuation ratios

Market Cap / Net Assets
ERII
$398M
Winner
SPY
$795B
Expense Ratio
ERII
N/A
SPY
0.09%
Max Drawdown
ERII
83.98%
Winner
SPY
56.47%
Sharpe Ratio
ERII
-0.77
Winner
SPY
1.34
5Y Beta
ERII
1.10
Winner
SPY
1.00
Industry
ERII
Pollution & Treatment Controls
SPY
N/A
P/E Ratio
Winner
ERII
-41.75
SPY
26.35
Forward P/E
ERII
113.64
Winner
SPY
21.08
PEG Ratio
ERII
N/A
SPY
0.31
5Y Dividends CAGR
ERII
N/A
SPY
6.00%
5Y EPS CAGR
ERII
N/A
SPY
26.26%
Debt to Equity
Winner
ERII
0.00%
SPY
45.77%
Free Cash Flow Yield
ERII
9.69%
SPY
N/A

ERII vs SPY - Historical Returns

Returns include dividend reinvestment.

1M
ERII
-9.70%
Winner
SPY
+3.83%
3M
ERII
-5.90%
Winner
SPY
+5.06%
6M
ERII
-49.87%
Winner
SPY
+14.71%
1Y
ERII
-46.51%
Winner
SPY
+21.96%
5Y(CAGR)
ERII
-16.34%
Winner
SPY
+13.30%
10Y(CAGR)
ERII
-4.75%
Winner
SPY
+15.38%
Max(CAGR)
ERII
-1.25%
Winner
SPY
+8.63%

ERII vs SPY - Annual Returns (1999 - 2026)

Returns include dividend reinvestment.

YearERIISPY
2026-43.00%+14.47%
2025-9.40%+18.00%
2024-22.14%+25.59%
2023-8.63%+26.72%
2022-4.70%-18.64%
2021+56.29%+30.52%
2020+40.04%+17.28%
2019+42.50%+31.09%
2018-24.64%-5.24%
2017-18.76%+20.78%
2016+50.00%+13.59%
2015+35.70%+1.31%
2014-1.86%+14.56%
2013+62.28%+29.00%
2012+29.28%+14.17%
2011-37.83%+0.85%
2010-49.17%+13.14%
2009-13.46%+22.67%
2008-22.89%-36.25%
2007N/A+5.32%
2006N/A+13.85%
2005N/A+5.32%
2004N/A+10.75%
2003N/A+24.18%
2002N/A-22.42%
2001N/A-10.13%
2000N/A-8.84%
1999N/A+8.61%

ERII vs SPY Drawdown Comparison

The maximum drawdown for ERII was -83.98%, occurring on Apr 12, 2012. Recovery took 1951 trading sessions.

The maximum drawdown for SPY was -55.20%, occurring on Mar 9, 2009. Recovery took 1224 trading sessions.

The current ERII drawdown is -74.45%.

RankERIISPY
#1-83.98%
Jul 21, 2008 - Apr 20, 2016		-55.20%
Oct 9, 2007 - Aug 16, 2012
#2-74.78%
Jul 18, 2023 - Aug 11, 2026		-47.50%
Mar 24, 2000 - Oct 26, 2006
#3-62.20%
Sep 27, 2016 - Feb 24, 2021		-33.70%
Feb 19, 2020 - Aug 10, 2020
#4-37.96%
Apr 21, 2016 - Aug 8, 2016		-24.50%
Jan 3, 2022 - Dec 13, 2023
#5-30.11%
Nov 1, 2022 - Jun 6, 2023		-19.34%
Sep 20, 2018 - Apr 12, 2019
#6-29.03%
Nov 19, 2021 - Sep 7, 2022		-18.76%
Feb 19, 2025 - Jun 26, 2025
#7-23.34%
Apr 26, 2021 - Jun 29, 2021		-13.02%
Jul 20, 2015 - Apr 18, 2016
#8-21.18%
Sep 9, 2022 - Nov 1, 2022		-10.10%
Jan 26, 2018 - Aug 6, 2018
#9-18.39%
Jun 30, 2021 - Sep 3, 2021		-9.44%
Sep 2, 2020 - Nov 11, 2020
#10-18.15%
Sep 3, 2021 - Nov 18, 2021		-9.30%
Jan 19, 2000 - Mar 17, 2000
#11-11.06%
Mar 1, 2021 - Mar 11, 2021		-9.05%
Jul 19, 2007 - Oct 5, 2007
#12-8.91%
Mar 15, 2021 - Apr 21, 2021		-8.88%
Jan 27, 2026 - Apr 14, 2026
#13-8.63%
Sep 8, 2016 - Sep 15, 2016		-8.41%
Jul 16, 2024 - Sep 19, 2024
#14-7.01%
Aug 11, 2016 - Sep 7, 2016		-7.35%
Sep 14, 2012 - Jan 2, 2013
#15-6.64%
Sep 21, 2016 - Sep 27, 2016		-7.27%
Sep 18, 2014 - Oct 31, 2014

Correlation

Correlation between ERII and SPY is 0.66 which considered as a moderate positive correlation - the stocks show some tendency to move together.

0.66
-101

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