AL vs PTGX
Comparison between Air Lease Corporation (AL, Company) and Protagonist Therapeutics Inc (PTGX, Company).
AL is from the Industrials sector, while PTGX is from the Healthcare sector.
5-Year PerformancePTGX has outperformed AL, delivering a return of +21.6% compared to +10.8%
AL vs PTGX - Performance Comparison
Key Characteristics
Financial metrics and valuation ratios
Market Cap
Winner
AL
$7.28B
PTGX
$7.25B
Max Drawdown
Winner
AL
78.53%
PTGX
85.79%
Sharpe Ratio
AL
0.95
Winner
PTGX
1.57
5Y Beta
AL
0.90
Winner
PTGX
0.25
Industry
AL
Rental & Leasing Services
PTGX
Biotechnology
P/E Ratio
AL
7.03
Winner
PTGX
-61.33
Forward P/E
Winner
AL
12.35
PTGX
23.58
PEG Ratio
AL
0.05
PTGX
N/A
Dividend Yield
AL
1.35%
PTGX
N/A
5Y Dividends CAGR
AL
12.52%
PTGX
N/A
5Y EPS CAGR
Winner
AL
13.50%
PTGX
1.43%
Debt to Equity
AL
231.83%
Winner
PTGX
0.00%
Free Cash Flow Yield
Winner
AL
22.35%
PTGX
-1.63%
AL vs PTGX - Historical Returns
Returns include dividend reinvestment.
1M
AL
+0.00%
Winner
PTGX
+12.03%
3M
AL
+0.60%
Winner
PTGX
+16.24%
6M
AL
+1.80%
Winner
PTGX
+31.55%
1Y
AL
+16.44%
Winner
PTGX
+109.31%
5Y(CAGR)
AL
+10.81%
Winner
PTGX
+21.59%
10Y(CAGR)
AL
+10.88%
Winner
PTGX
+25.87%
Max(CAGR)
AL
+6.89%
Winner
PTGX
+25.87%
AL vs PTGX - Annual Returns (2011 - 2026)
Returns include dividend reinvestment.
| Year | AL | PTGX |
|---|---|---|
| 2026 | +1.67% | +29.46% |
| 2025 | +36.01% | +124.06% |
| 2024 | +19.36% | +64.82% |
| 2023 | +9.55% | +112.71% |
| 2022 | -13.04% | -69.11% |
| 2021 | +5.93% | +74.49% |
| 2020 | -3.94% | +190.91% |
| 2019 | +56.49% | +2.32% |
| 2018 | -36.45% | -68.18% |
| 2017 | +37.87% | -1.79% |
| 2016 | +5.30% | +87.95% |
| 2015 | -2.19% | N/A |
| 2014 | +12.78% | N/A |
| 2013 | +42.05% | N/A |
| 2012 | -8.59% | N/A |
| 2011 | -15.17% | N/A |
AL vs PTGX Drawdown Comparison
The maximum drawdown for AL was -78.22%, occurring on Mar 18, 2020. Recovery took 286 trading sessions.
The maximum drawdown for PTGX was -85.79%, occurring on Jun 13, 2022. Recovery took 882 trading sessions.
| Rank | AL | PTGX |
|---|---|---|
| #1 | -78.22% Jan 16, 2020 - Mar 8, 2021 | -85.79% Sep 1, 2021 - Mar 10, 2025 |
| #2 | -46.03% Jun 6, 2014 - Aug 4, 2017 | -82.13% Dec 5, 2016 - Feb 16, 2021 |
| #3 | -42.34% Jan 26, 2018 - Jan 16, 2020 | -31.58% Mar 11, 2025 - Aug 27, 2025 |
| #4 | -40.61% Mar 11, 2021 - Mar 25, 2024 | -20.33% Oct 17, 2016 - Nov 10, 2016 |
| #5 | -39.97% May 20, 2011 - May 9, 2013 | -19.04% Mar 19, 2021 - May 18, 2021 |
| #6 | -21.72% Nov 25, 2024 - May 6, 2025 | -16.38% Dec 12, 2025 - Mar 9, 2026 |
| #7 | -21.35% Apr 29, 2024 - Nov 25, 2024 | -15.52% Oct 10, 2025 - Nov 24, 2025 |
| #8 | -15.56% May 9, 2013 - Nov 4, 2013 | -12.77% Feb 16, 2021 - Mar 2, 2021 |
| #9 | -9.04% Jul 3, 2025 - Aug 22, 2025 | -12.03% Apr 17, 2026 - Jun 11, 2026 |
| #10 | -8.98% Nov 15, 2013 - Feb 14, 2014 | -11.53% Aug 19, 2016 - Aug 31, 2016 |
| #11 | -8.89% Aug 7, 2017 - Oct 2, 2017 | -9.62% Jun 8, 2021 - Jun 11, 2021 |
| #12 | -8.36% Apr 21, 2011 - May 19, 2011 | -8.53% Aug 27, 2025 - Sep 18, 2025 |
| #13 | -7.99% Mar 20, 2014 - May 9, 2014 | -7.43% Mar 31, 2026 - Apr 15, 2026 |
| #14 | -7.72% Oct 16, 2017 - Dec 13, 2017 | -7.20% Jun 14, 2021 - Jun 16, 2021 |
| #15 | -6.26% Mar 28, 2024 - Apr 25, 2024 | -6.02% Nov 26, 2025 - Dec 8, 2025 |
Correlation
Correlation between AL and PTGX is 0.85 which considered as a strong positive correlation - the stocks tend to move together.
0.85
-101
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