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 +13.8% compared to -16.3%
ERII vs SPY - Performance Comparison
Key Characteristics
Financial metrics and valuation ratios
ERII vs SPY - Historical Returns
Returns include dividend reinvestment.
ERII vs SPY - Annual Returns (1999 - 2026)
Returns include dividend reinvestment.
| Year | ERII | SPY |
|---|---|---|
| 2026 | -36.15% | +10.80% |
| 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% |
| 2007 | N/A | +5.32% |
| 2006 | N/A | +13.85% |
| 2005 | N/A | +5.32% |
| 2004 | N/A | +10.75% |
| 2003 | N/A | +24.18% |
| 2002 | N/A | -22.42% |
| 2001 | N/A | -10.13% |
| 2000 | N/A | -8.84% |
| 1999 | N/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 -71.38%. The current SPY drawdown is -0.62%.
| Rank | ERII | SPY |
|---|---|---|
| #1 | -83.98% Jul 21, 2008 - Apr 20, 2016 | -55.20% Oct 9, 2007 - Aug 16, 2012 |
| #2 | -74.13% Jul 18, 2023 - Jun 10, 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 0.69 which considered as a moderate positive correlation - the stocks show some tendency to move together.
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