PRTA vs CAEP
Comparison between Prothena Corporation plc (PRTA, Company) and Cantor Equity Partners III Inc - Class A (CAEP, Company).
PRTA is from the Healthcare sector, while CAEP is from the Financial Services sector.
PRTA vs CAEP - Performance Comparison
Key Characteristics
Financial metrics and valuation ratios
Market Cap
PRTA
$420M
Winner
CAEP
$420M
Max Drawdown
PRTA
94.19%
Winner
CAEP
7.03%
Sharpe Ratio
PRTA
1.08
Winner
CAEP
1.41
5Y Beta
PRTA
0.95
CAEP
N/A
Industry
PRTA
Biotechnology
CAEP
Shell Companies
P/E Ratio
Winner
PRTA
-2.83
CAEP
32.58
Forward P/E
PRTA
10.63
CAEP
N/A
PEG Ratio
PRTA
-0.08
CAEP
N/A
5Y EPS CAGR
PRTA
-1.54%
CAEP
N/A
Debt to Equity
Winner
PRTA
0.00%
CAEP
0.18%
Free Cash Flow Yield
PRTA
-19.37%
Winner
CAEP
-0.02%
P/S Ratio
PRTA
7.65
CAEP
N/A
P/B Ratio
PRTA
1.42
Winner
CAEP
1.36
PRTA vs CAEP - Historical Returns
Returns include dividend reinvestment.
1M
PRTA
-12.51%
Winner
CAEP
+45.21%
3M
PRTA
-11.39%
Winner
CAEP
+46.63%
6M
PRTA
-20.37%
Winner
CAEP
+47.20%
1Y
Winner
PRTA
+62.72%
CAEP
+42.86%
5Y(CAGR)
PRTA
-28.79%
CAEP
N/A
10Y(CAGR)
PRTA
-15.75%
CAEP
N/A
Max(CAGR)
PRTA
+1.02%
Winner
CAEP
+49.68%
PRTA vs CAEP - Annual Returns (2012 - 2026)
Returns include dividend reinvestment.
| Year | PRTA | CAEP |
|---|---|---|
| 2026 | -10.33% | +46.91% |
| 2025 | -30.14% | -2.86% |
| 2024 | -64.06% | N/A |
| 2023 | -32.07% | N/A |
| 2022 | +22.41% | N/A |
| 2021 | +301.63% | N/A |
| 2020 | -23.16% | N/A |
| 2019 | +50.76% | N/A |
| 2018 | -72.75% | N/A |
| 2017 | -24.70% | N/A |
| 2016 | -20.94% | N/A |
| 2015 | +234.69% | N/A |
| 2014 | -26.12% | N/A |
| 2013 | +278.86% | N/A |
| 2012 | +1.81% | N/A |
PRTA vs CAEP Drawdown Comparison
The maximum drawdown for PRTA was -94.19%, occurring on May 27, 2025. This drawdown has not yet recovered.
The maximum drawdown for CAEP was -7.03%, occurring on Nov 17, 2025. Recovery took 205 trading sessions.
The current PRTA drawdown is -89.54%.
| Rank | PRTA | CAEP |
|---|---|---|
| #1 | -94.19% Sep 23, 2021 - May 27, 2025 | -7.03% Jul 16, 2025 - May 8, 2026 |
| #2 | -90.85% Nov 27, 2015 - Sep 10, 2021 | -4.62% May 11, 2026 - May 15, 2026 |
| #3 | -64.27% Mar 20, 2014 - Jun 17, 2015 | -1.14% Jun 30, 2025 - Jul 11, 2025 |
| #4 | -36.96% Jul 28, 2015 - Nov 18, 2015 | -0.57% Jul 11, 2025 - Jul 15, 2025 |
| #5 | -20.33% Dec 31, 2012 - Apr 9, 2013 | N/A |
| #6 | -18.45% Jun 20, 2013 - Jul 12, 2013 | N/A |
| #7 | -17.61% Jan 30, 2014 - Feb 25, 2014 | N/A |
| #8 | -15.12% Dec 16, 2013 - Jan 29, 2014 | N/A |
| #9 | -14.72% Oct 2, 2013 - Oct 25, 2013 | N/A |
| #10 | -11.68% May 28, 2013 - Jun 7, 2013 | N/A |
| #11 | -10.76% Aug 2, 2013 - Aug 22, 2013 | N/A |
| #12 | -10.14% Jun 22, 2015 - Jul 14, 2015 | N/A |
| #13 | -7.65% Mar 12, 2014 - Mar 19, 2014 | N/A |
| #14 | -6.94% Aug 29, 2013 - Oct 2, 2013 | N/A |
| #15 | -6.73% Jul 22, 2015 - Jul 28, 2015 | N/A |
Correlation
Correlation between PRTA and CAEP is 0.18 which considered as a very weak or no correlation - the stocks move independently of each other.
0.18
-101
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