PTGX vs BIO
Comparison between Protagonist Therapeutics Inc (PTGX, Company) and Bio-Rad Laboratories Inc - Class A (BIO, Company).
Both PTGX and BIO are from the Healthcare sector.
5-Year PerformancePTGX has outperformed BIO, delivering a return of +23.2% compared to -14.9%
PTGX vs BIO - Performance Comparison
Key Characteristics
Financial metrics and valuation ratios
PTGX vs BIO - Historical Returns
Returns include dividend reinvestment.
PTGX vs BIO - Annual Returns (1999 - 2026)
Returns include dividend reinvestment.
| Year | PTGX | BIO |
|---|---|---|
| 2026 | +50.97% | -2.70% |
| 2025 | +124.06% | -7.10% |
| 2024 | +64.82% | +0.16% |
| 2023 | +112.71% | -23.56% |
| 2022 | -69.11% | -42.82% |
| 2021 | +74.49% | +31.34% |
| 2020 | +190.91% | +56.64% |
| 2019 | +2.32% | +62.24% |
| 2018 | -68.18% | -3.81% |
| 2017 | -1.79% | +30.48% |
| 2016 | +87.95% | +33.84% |
| 2015 | N/A | +15.21% |
| 2014 | N/A | -1.70% |
| 2013 | N/A | +15.03% |
| 2012 | N/A | +7.11% |
| 2011 | N/A | -8.81% |
| 2010 | N/A | +6.11% |
| 2009 | N/A | +29.53% |
| 2008 | N/A | -24.67% |
| 2007 | N/A | +26.03% |
| 2006 | N/A | +26.08% |
| 2005 | N/A | +14.47% |
| 2004 | N/A | -1.78% |
| 2003 | N/A | +50.93% |
| 2002 | N/A | +25.24% |
| 2001 | N/A | +97.20% |
| 2000 | N/A | +40.58% |
| 1999 | N/A | -4.57% |
PTGX vs BIO Drawdown Comparison
The maximum drawdown for PTGX was -85.79%, occurring on Jun 13, 2022. Recovery took 882 trading sessions.
The maximum drawdown for BIO was -73.77%, occurring on Jun 2, 2025. This drawdown has not yet recovered.
The current BIO drawdown is -64.03%.
| Rank | PTGX | BIO |
|---|---|---|
| #1 | -85.79% Sep 1, 2021 - Mar 10, 2025 | -73.77% Sep 2, 2021 - Jun 2, 2025 |
| #2 | -82.13% Dec 5, 2016 - Feb 16, 2021 | -50.88% Aug 11, 2008 - Apr 14, 2010 |
| #3 | -31.58% Mar 11, 2025 - Aug 27, 2025 | -35.37% Feb 29, 2000 - Nov 29, 2000 |
| #4 | -20.33% Oct 17, 2016 - Nov 10, 2016 | -33.87% Jun 19, 2002 - May 20, 2003 |
| #5 | -19.04% Mar 19, 2021 - May 18, 2021 | -32.52% Sep 4, 2018 - Aug 2, 2019 |
| #6 | -16.38% Dec 12, 2025 - Mar 9, 2026 | -30.71% May 16, 2011 - Jan 9, 2014 |
| #7 | -15.52% Oct 10, 2025 - Nov 24, 2025 | -28.28% May 3, 2010 - Feb 28, 2011 |
| #8 | -12.77% Feb 16, 2021 - Mar 2, 2021 | -27.41% Nov 7, 2007 - Aug 11, 2008 |
| #9 | -12.03% Apr 17, 2026 - Jun 11, 2026 | -25.09% Sep 4, 2001 - Oct 15, 2001 |
| #10 | -11.53% Aug 19, 2016 - Aug 31, 2016 | -24.28% Dec 26, 2003 - Aug 2, 2005 |
| #11 | -9.62% Jun 8, 2021 - Jun 11, 2021 | -22.79% Feb 1, 2007 - Sep 27, 2007 |
| #12 | -8.53% Aug 27, 2025 - Sep 18, 2025 | -21.77% Feb 20, 2020 - Apr 16, 2020 |
| #13 | -7.43% Mar 31, 2026 - Apr 15, 2026 | -21.10% Jan 31, 2001 - May 1, 2001 |
| #14 | -7.20% Jun 14, 2021 - Jun 16, 2021 | -20.93% Jul 25, 2003 - Dec 26, 2003 |
| #15 | -6.02% Nov 26, 2025 - Dec 8, 2025 | -20.38% Feb 20, 2014 - Mar 5, 2015 |
Correlation
Correlation between PTGX and BIO is -0.04 which considered as a very weak or no correlation - the stocks move independently of each other.
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