AEHR vs PTEN
Comparison between Aehr Test Systems (AEHR, Company) and Patterson-UTI Energy Inc (PTEN, Company).
AEHR is from the Technology sector, while PTEN is from the Energy sector.
5-Year PerformanceAEHR has outperformed PTEN, delivering a return of +85.1% compared to +10.8%
AEHR vs PTEN - Performance Comparison
Key Characteristics
Financial metrics and valuation ratios
AEHR vs PTEN - Historical Returns
Returns include dividend reinvestment.
AEHR vs PTEN - Annual Returns (1999 - 2026)
Returns include dividend reinvestment.
| Year | AEHR | PTEN |
|---|---|---|
| 2026 | +456.41% | +71.86% |
| 2025 | +21.99% | -24.52% |
| 2024 | -33.35% | -21.15% |
| 2023 | +44.26% | -29.39% |
| 2022 | -14.07% | +87.90% |
| 2021 | +899.17% | +57.49% |
| 2020 | +22.22% | -48.76% |
| 2019 | +29.87% | +0.55% |
| 2018 | -49.64% | -54.96% |
| 2017 | +13.87% | -16.65% |
| 2016 | +28.19% | +78.82% |
| 2015 | -31.64% | -7.23% |
| 2014 | -19.05% | -32.46% |
| 2013 | +267.86% | +34.34% |
| 2012 | +44.07% | -12.13% |
| 2011 | -55.93% | -7.33% |
| 2010 | -14.29% | +34.70% |
| 2009 | -45.00% | +23.97% |
| 2008 | -66.34% | -42.70% |
| 2007 | +17.31% | -9.31% |
| 2006 | +20.77% | -31.40% |
| 2005 | +3.48% | +80.48% |
| 2004 | +32.72% | +18.48% |
| 2003 | +13.14% | +6.19% |
| 2002 | -35.79% | +31.57% |
| 2001 | -15.00% | -34.45% |
| 2000 | +5.00% | +198.00% |
| 1999 | +9.58% | +2.44% |
AEHR vs PTEN Drawdown Comparison
The maximum drawdown for AEHR was -95.45%, occurring on Nov 22, 2011. Recovery took 3824 trading sessions.
The maximum drawdown for PTEN was -95.13%, occurring on Apr 3, 2020. This drawdown has not yet recovered.
The current AEHR drawdown is -4.59%. The current PTEN drawdown is -63.06%.
| Rank | AEHR | PTEN |
|---|---|---|
| #1 | -95.45% Jul 5, 2006 - Sep 13, 2021 | -95.13% Jul 25, 2014 - Apr 3, 2020 |
| #2 | -87.37% Aug 1, 2023 - Apr 8, 2026 | -78.73% Jan 23, 2006 - May 7, 2014 |
| #3 | -81.47% Mar 15, 2000 - Jun 29, 2006 | -71.09% Mar 7, 2001 - Nov 26, 2004 |
| #4 | -73.02% Nov 5, 2021 - Nov 23, 2022 | -37.50% Apr 3, 2000 - Aug 23, 2000 |
| #5 | -43.90% Jun 4, 2026 - Aug 11, 2026 | -36.75% Nov 17, 1999 - Jan 19, 2000 |
| #6 | -39.77% Mar 23, 2023 - Jun 2, 2023 | -35.84% Sep 11, 2000 - Dec 26, 2000 |
| #7 | -36.27% Dec 1, 2022 - Jan 10, 2023 | -21.60% Dec 27, 2000 - Mar 5, 2001 |
| #8 | -23.70% May 14, 2026 - May 26, 2026 | -19.17% Oct 3, 2005 - Jan 17, 2006 |
| #9 | -22.22% Feb 14, 2000 - Mar 13, 2000 | -15.64% Mar 7, 2000 - Mar 21, 2000 |
| #10 | -20.35% Sep 24, 2021 - Oct 7, 2021 | -13.01% Nov 26, 2004 - Feb 2, 2005 |
| #11 | -20.29% Feb 2, 2023 - Mar 21, 2023 | -12.90% Apr 6, 2005 - May 9, 2005 |
| #12 | -16.00% May 26, 2026 - Jun 2, 2026 | -12.81% Jan 21, 2000 - Feb 25, 2000 |
| #13 | -15.97% Apr 22, 2026 - May 11, 2026 | -10.59% May 11, 2005 - Jun 1, 2005 |
| #14 | -13.68% Jul 3, 2023 - Jul 14, 2023 | -8.99% Mar 23, 2000 - Mar 30, 2000 |
| #15 | -11.96% Jun 14, 2023 - Jul 3, 2023 | -7.80% Aug 11, 2005 - Aug 31, 2005 |
Correlation
Correlation between AEHR and PTEN is -0.14 which considered as a very weak or no correlation - the stocks move independently of each other.
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