PDFS vs AMPX
Comparison between PDF Solutions Inc (PDFS, Company) and Amprius Technologies Inc (AMPX, Company).
PDFS is from the Technology sector, while AMPX is from the Industrials sector.
PDFS vs AMPX - Performance Comparison
Key Characteristics
Financial metrics and valuation ratios
Market Cap
Winner
PDFS
$2.30B
AMPX
$2.29B
Max Drawdown
PDFS
95.46%
Winner
AMPX
94.49%
Sharpe Ratio
Winner
PDFS
2.24
AMPX
2.07
5Y Beta
Winner
PDFS
1.86
AMPX
2.53
Industry
PDFS
Software - Application
AMPX
Electrical Equipment & Parts
P/E Ratio
PDFS
318.51
Winner
AMPX
-55.08
Forward P/E
PDFS
70.42
AMPX
N/A
PEG Ratio
PDFS
0.84
AMPX
N/A
Debt to Equity
PDFS
23.69%
Winner
AMPX
0.00%
Free Cash Flow Yield
Winner
PDFS
-0.78%
AMPX
-2.57%
P/S Ratio
Winner
PDFS
10.63
AMPX
25.78
P/B Ratio
Winner
PDFS
8.77
AMPX
21.27
PDFS vs AMPX - Historical Returns
Returns include dividend reinvestment.
1M
Winner
PDFS
+25.89%
AMPX
-13.49%
3M
Winner
PDFS
+100.63%
AMPX
-10.93%
6M
Winner
PDFS
+112.81%
AMPX
+49.31%
1Y
PDFS
+218.31%
Winner
AMPX
+313.45%
5Y(CAGR)
PDFS
+29.65%
AMPX
N/A
10Y(CAGR)
PDFS
+16.31%
AMPX
N/A
Max(CAGR)
PDFS
+5.79%
Winner
AMPX
+13.94%
PDFS vs AMPX - Annual Returns (2001 - 2026)
Returns include dividend reinvestment.
| Year | PDFS | AMPX |
|---|---|---|
| 2026 | +117.06% | +86.38% |
| 2025 | +4.39% | +175.87% |
| 2024 | -12.62% | -30.00% |
| 2023 | +15.28% | -27.24% |
| 2022 | -11.18% | -20.70% |
| 2021 | +48.21% | N/A |
| 2020 | +26.83% | N/A |
| 2019 | +95.71% | N/A |
| 2018 | -48.60% | N/A |
| 2017 | -30.16% | N/A |
| 2016 | +116.62% | N/A |
| 2015 | -26.01% | N/A |
| 2014 | -40.68% | N/A |
| 2013 | +76.45% | N/A |
| 2012 | +99.13% | N/A |
| 2011 | +43.42% | N/A |
| 2010 | +24.87% | N/A |
| 2009 | +145.22% | N/A |
| 2008 | -84.02% | N/A |
| 2007 | -39.20% | N/A |
| 2006 | -12.42% | N/A |
| 2005 | +0.62% | N/A |
| 2004 | +12.97% | N/A |
| 2003 | +113.47% | N/A |
| 2002 | -65.44% | N/A |
| 2001 | +32.66% | N/A |
PDFS vs AMPX Drawdown Comparison
The maximum drawdown for PDFS was -95.46%, occurring on Mar 3, 2009. Recovery took 2918 trading sessions.
The maximum drawdown for AMPX was -94.49%, occurring on Sep 6, 2024. Recovery took 760 trading sessions.
The current AMPX drawdown is -28.90%.
| Rank | PDFS | AMPX |
|---|---|---|
| #1 | -95.46% Dec 28, 2001 - Aug 2, 2013 | -94.49% Sep 23, 2022 - Oct 6, 2025 |
| #2 | -70.73% Jan 22, 2014 - Nov 10, 2021 | -46.41% Oct 15, 2025 - Feb 3, 2026 |
| #3 | -65.53% Jul 10, 2023 - May 6, 2026 | -41.00% Sep 15, 2022 - Sep 20, 2022 |
| #4 | -41.41% Nov 16, 2021 - Feb 7, 2023 | -35.15% Feb 3, 2026 - Mar 5, 2026 |
| #5 | -40.43% Aug 1, 2001 - Oct 18, 2001 | -33.58% Apr 22, 2026 - Jun 2, 2026 |
| #6 | -22.73% May 11, 2026 - Jun 2, 2026 | -28.90% Jun 2, 2026 - Jun 12, 2026 |
| #7 | -21.40% Apr 3, 2023 - Jun 7, 2023 | -24.05% Mar 17, 2026 - Apr 20, 2026 |
| #8 | -19.41% Oct 22, 2001 - Dec 11, 2001 | -14.09% Sep 20, 2022 - Sep 22, 2022 |
| #9 | -10.89% Aug 5, 2013 - Sep 10, 2013 | -11.24% Oct 6, 2025 - Oct 15, 2025 |
| #10 | -8.76% Jun 4, 2026 - Jun 9, 2026 | -3.44% Mar 11, 2026 - Mar 16, 2026 |
| #11 | -7.77% Dec 13, 2001 - Dec 27, 2001 | N/A |
| #12 | -6.28% Oct 4, 2013 - Oct 14, 2013 | N/A |
| #13 | -5.71% Mar 8, 2023 - Mar 16, 2023 | N/A |
| #14 | -4.80% Jun 22, 2023 - Jun 29, 2023 | N/A |
| #15 | -4.29% Dec 31, 2013 - Jan 15, 2014 | N/A |
Correlation
Correlation between PDFS and AMPX is 0.43 which considered as a weak positive correlation - the stocks show a slight tendency to move together.
0.43
-101
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