Performance analysis of Prothena (PRTA)
Annual Return
Over the past 3 years, PRTA has had an average annual return of -48.81%, underperforming the benchmark SPY, which returned +19.63% annual.
Over the past 5 years, PRTA has had an average annual return of -29.82%, underperforming the benchmark SPY, which returned +12.73% annual.
Over the past 10 years, PRTA has had an average annual return of -16.52%, underperforming the benchmark SPY, which returned +15.04% annual.
Since Dec 21, 2012, PRTA has had an average annual return of +1.45%, underperforming the benchmark SPY, which returned +14.90% annual.
| 2026 | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| -8.38% | -31.05% | -61.89% | -39.69% | +21.96% | +311.31% | -24.13% | +53.68% | -72.52% | -23.79% | -27.78% | +228.09% |
| 2014 | 2013 | 2012 | |||||||||
| -21.72% | +261.78% | +1.81% |
Monthly Return
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annually Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -7.75% | -1.59% | +12.11% | +13.79% | -7.96% | -3.83% | -10.62% | -8.38% | |||||
| 2025 | +2.74% | +11.10% | -21.72% | -25.66% | -50.11% | +32.25% | +13.18% | +19.36% | +19.03% | +10.14% | +0% | -11.16% | -31.05% |
| 2024 | -21.88% | -2.82% | -10.22% | -17.89% | +2.31% | -0.82% | +12.79% | -4.34% | -24.88% | +1.61% | -4.65% | -14.56% | -61.89% |
| 2023 | -6.14% | -1.40% | -13.07% | +8.56% | +26.25% | +2.78% | +0.86% | -23.31% | -8.65% | -24.44% | -10.64% | +11.54% | -39.69% |
| 2022 | -31.01% | +1.53% | +5.69% | -20.26% | -6.62% | -0.29% | +14.40% | -11.24% | +119.91% | +1.34% | +1.74% | -3.61% | +21.96% |
| 2021 | -6.67% | +99.11% | +12.55% | +5.65% | +9.91% | +76.24% | -2.55% | +33.97% | +6.12% | -22.29% | -9.39% | -1.50% | +311.31% |
| 2020 | -23.12% | -12.41% | +0.37% | +4.86% | -4.99% | -1.88% | +17.02% | +5.88% | -22.92% | +9.21% | +3.76% | +6.10% | -24.13% |
| 2019 | +14.07% | +14.04% | -9.48% | -14.26% | -10.38% | +13.42% | -11.45% | -10.15% | -6.78% | +16.07% | +40.88% | +23.48% | +53.68% |
| 2018 | +11.50% | -19.40% | +8.96% | -67.31% | +12.41% | +8.08% | +1.92% | +2.42% | -14.06% | -5.20% | -3.14% | -14.24% | -72.52% |
| 2017 | -0.47% | +19.79% | -4.88% | -2.97% | -5.76% | +6.10% | +14.12% | -0.52% | +5.42% | -10.37% | -19.91% | -19.36% | -23.79% |
Drawdown analysis of Prothena (PRTA)
The maximum drawdown for the PRTA was -94.19%, occurring on May 27, 2025. This drawdown has not yet recovered.
The current PRTA drawdown is -88.91%.
Since Dec 21, 2012 PRTA has experienced the following drawdowns:
- 50% or more: 3 times
- 40% or more: 3 times
- 30% or more: 4 times
- 20% or more: 5 times
- 10% or more: 12 times
| Depth | Start | To Bottom | Bottom | To Recover | End | Total |
|---|---|---|---|---|---|---|
| -94.19% | Sep 23, 2021 | 921 | May 27, 2025 | Ongoing | Ongoing | Ongoing |
| -90.85% | Nov 27, 2015 | 940 | Aug 23, 2019 | 516 | Sep 10, 2021 | 1456 |
| -64.27% | Mar 20, 2014 | 82 | Jul 17, 2014 | 231 | Jun 17, 2015 | 313 |
| -36.96% | Jul 28, 2015 | 54 | Oct 13, 2015 | 26 | Nov 18, 2015 | 80 |
| -20.33% | Dec 31, 2012 | 12 | Jan 17, 2013 | 55 | Apr 9, 2013 | 67 |
| -18.45% | Jun 20, 2013 | 4 | Jun 26, 2013 | 11 | Jul 12, 2013 | 15 |
| -17.61% | Jan 30, 2014 | 9 | Feb 12, 2014 | 8 | Feb 25, 2014 | 17 |
| -15.12% | Dec 16, 2013 | 18 | Jan 13, 2014 | 11 | Jan 29, 2014 | 29 |
| -14.72% | Oct 2, 2013 | 10 | Oct 16, 2013 | 7 | Oct 25, 2013 | 17 |
| -11.68% | May 28, 2013 | 6 | Jun 5, 2013 | 2 | Jun 7, 2013 | 8 |
| -10.77% | Aug 2, 2013 | 5 | Aug 9, 2013 | 9 | Aug 22, 2013 | 14 |
| -10.14% | Jun 22, 2015 | 11 | Jul 8, 2015 | 4 | Jul 14, 2015 | 15 |
| -7.65% | Mar 12, 2014 | 4 | Mar 18, 2014 | 1 | Mar 19, 2014 | 5 |
| -6.94% | Aug 29, 2013 | 5 | Sep 6, 2013 | 18 | Oct 2, 2013 | 23 |
| -6.73% | Jul 22, 2015 | 3 | Jul 27, 2015 | 1 | Jul 28, 2015 | 4 |
| -6.55% | Dec 2, 2013 | 2 | Dec 4, 2013 | 8 | Dec 16, 2013 | 10 |
| -5.69% | Nov 14, 2013 | 5 | Nov 21, 2013 | 1 | Nov 22, 2013 | 6 |
| -5.56% | Dec 21, 2012 | 1 | Dec 24, 2012 | 4 | Dec 31, 2012 | 5 |
| -5.21% | May 21, 2013 | 1 | May 22, 2013 | 3 | May 28, 2013 | 4 |
| -5.09% | Sep 10, 2021 | 1 | Sep 13, 2021 | 4 | Sep 17, 2021 | 5 |
| -5.03% | Jul 18, 2013 | 2 | Jul 22, 2013 | 7 | Jul 31, 2013 | 9 |
| -4.77% | Mar 4, 2014 | 2 | Mar 6, 2014 | 4 | Mar 12, 2014 | 6 |
| -4.54% | May 6, 2013 | 2 | May 8, 2013 | 6 | May 16, 2013 | 8 |
| -4.33% | Aug 26, 2013 | 1 | Aug 27, 2013 | 2 | Aug 29, 2013 | 3 |
| -4.32% | Nov 4, 2013 | 3 | Nov 7, 2013 | 1 | Nov 8, 2013 | 4 |