ERII vs NDAC
Comparison between Energy Recovery Inc (ERII, Company) and NightDragon Acquisition Corp - Class A (NDAC, Company).
ERII vs NDAC - Performance Comparison
Key Characteristics
Financial metrics and valuation ratios
Market Cap
ERII
$445M
Winner
NDAC
$445M
Max Drawdown
ERII
83.98%
Winner
NDAC
2.72%
Sharpe Ratio
ERII
-0.61
Winner
NDAC
-0.45
5Y Beta
ERII
1.02
NDAC
N/A
Industry
ERII
Pollution & Treatment Controls
NDAC
N/A
P/E Ratio
Winner
ERII
-28.10
NDAC
126.66
Forward P/E
ERII
123.46
NDAC
N/A
PEG Ratio
ERII
3.33
NDAC
N/A
Debt to Equity
ERII
0.00%
NDAC
0.00%
Free Cash Flow Yield
Winner
ERII
6.11%
NDAC
-0.25%
P/S Ratio
ERII
3.22
NDAC
N/A
P/B Ratio
ERII
2.41
Winner
NDAC
-38.35
ERII vs NDAC - Historical Returns
Returns include dividend reinvestment.
1M
ERII
-5.08%
Winner
NDAC
+0.65%
3M
ERII
-23.61%
Winner
NDAC
+2.81%
6M
ERII
-41.19%
Winner
NDAC
+3.02%
1Y
ERII
-39.28%
Winner
NDAC
+3.02%
5Y(CAGR)
ERII
-16.42%
NDAC
N/A
10Y(CAGR)
ERII
-2.29%
NDAC
N/A
Max(CAGR)
ERII
-0.86%
Winner
NDAC
+1.10%
ERII vs NDAC - Annual Returns (2008 - 2026)
Returns include dividend reinvestment.
| Year | ERII | NDAC |
|---|---|---|
| 2026 | -38.70% | N/A |
| 2025 | -9.40% | N/A |
| 2024 | -22.14% | N/A |
| 2023 | -8.63% | N/A |
| 2022 | -4.70% | +3.34% |
| 2021 | +56.29% | -1.52% |
| 2020 | +40.04% | N/A |
| 2019 | +42.50% | N/A |
| 2018 | -24.64% | N/A |
| 2017 | -18.76% | N/A |
| 2016 | +50.00% | N/A |
| 2015 | +35.70% | N/A |
| 2014 | -1.86% | N/A |
| 2013 | +62.28% | N/A |
| 2012 | +29.28% | N/A |
| 2011 | -37.83% | N/A |
| 2010 | -49.17% | N/A |
| 2009 | -13.46% | N/A |
| 2008 | -22.89% | N/A |
ERII vs NDAC Drawdown Comparison
The maximum drawdown for ERII was -83.98%, occurring on Apr 12, 2012. Recovery took 1951 trading sessions.
The maximum drawdown for NDAC was -2.72%, occurring on Aug 25, 2021. Recovery took 363 trading sessions.
The current ERII drawdown is -72.53%.
| Rank | ERII | NDAC |
|---|---|---|
| #1 | -83.98% Jul 21, 2008 - Apr 20, 2016 | -2.72% Apr 26, 2021 - Oct 3, 2022 |
| #2 | -74.13% Jul 18, 2023 - Jun 10, 2026 | -0.30% Oct 10, 2022 - Oct 19, 2022 |
| #3 | -62.20% Sep 27, 2016 - Feb 24, 2021 | -0.20% Nov 7, 2022 - Nov 28, 2022 |
| #4 | -37.96% Apr 21, 2016 - Aug 8, 2016 | -0.17% Nov 28, 2022 - Dec 2, 2022 |
| #5 | -30.11% Nov 1, 2022 - Jun 6, 2023 | -0.16% Oct 4, 2022 - Oct 10, 2022 |
| #6 | -29.03% Nov 19, 2021 - Sep 7, 2022 | -0.15% Oct 19, 2022 - Oct 24, 2022 |
| #7 | -23.34% Apr 26, 2021 - Jun 29, 2021 | -0.10% Oct 27, 2022 - Nov 7, 2022 |
| #8 | -21.18% Sep 9, 2022 - Nov 1, 2022 | N/A |
| #9 | -18.39% Jun 30, 2021 - Sep 3, 2021 | N/A |
| #10 | -18.15% Sep 3, 2021 - Nov 18, 2021 | N/A |
| #11 | -11.06% Mar 1, 2021 - Mar 11, 2021 | N/A |
| #12 | -8.91% Mar 15, 2021 - Apr 21, 2021 | N/A |
| #13 | -8.63% Sep 8, 2016 - Sep 15, 2016 | N/A |
| #14 | -7.01% Aug 11, 2016 - Sep 7, 2016 | N/A |
| #15 | -6.64% Sep 21, 2016 - Sep 27, 2016 | N/A |
Correlation
Correlation between ERII and NDAC is 0.55 which considered as a moderate positive correlation - the stocks show some tendency to move together.
0.55
-101
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