PTGX vs SPY
Comparison between Protagonist Therapeutics Inc (PTGX, Company) and SPDR S&P 500 ETF Trust (SPY, ETF).
5-Year PerformancePTGX has outperformed SPY, delivering a return of +27.5% compared to +13.3%
PTGX vs SPY - Performance Comparison
Key Characteristics
Financial metrics and valuation ratios
Market Cap / Net Assets
PTGX
$9.83B
Winner
SPY
$795B
Expense Ratio
PTGX
N/A
SPY
0.09%
Max Drawdown
PTGX
85.79%
Winner
SPY
56.47%
Sharpe Ratio
Winner
PTGX
2.17
SPY
1.23
5Y Beta
PTGX
N/A
SPY
1.00
Industry
PTGX
Biotechnology
SPY
N/A
P/E Ratio
PTGX
122.81
Winner
SPY
26.08
Forward P/E
PTGX
38.76
Winner
SPY
21.23
PEG Ratio
PTGX
2.71
Winner
SPY
0.37
5Y Dividends CAGR
PTGX
N/A
SPY
6.00%
5Y EPS CAGR
PTGX
N/A
SPY
26.38%
Debt to Equity
Winner
PTGX
0.00%
SPY
45.86%
Free Cash Flow Yield
PTGX
1.33%
SPY
N/A
P/S Ratio
PTGX
35.59
Winner
SPY
3.75
P/B Ratio
PTGX
11.53
Winner
SPY
5.57
PTGX vs SPY - Historical Returns
Returns include dividend reinvestment.
1M
Winner
PTGX
+11.66%
SPY
+3.25%
3M
Winner
PTGX
+56.18%
SPY
+4.16%
6M
Winner
PTGX
+89.59%
SPY
+12.42%
1Y
Winner
PTGX
+179.91%
SPY
+20.62%
5Y(CAGR)
Winner
PTGX
+27.52%
SPY
+13.34%
10Y(CAGR)
Winner
PTGX
+29.74%
SPY
+15.21%
Max(CAGR)
Winner
PTGX
+29.62%
SPY
+8.57%
PTGX vs SPY - Annual Returns (1999 - 2026)
Returns include dividend reinvestment.
| Year | PTGX | SPY |
|---|---|---|
| 2026 | +80.48% | +12.94% |
| 2025 | +124.06% | +18.00% |
| 2024 | +64.82% | +25.59% |
| 2023 | +112.71% | +26.72% |
| 2022 | -69.11% | -18.64% |
| 2021 | +74.49% | +30.52% |
| 2020 | +190.91% | +17.28% |
| 2019 | +2.32% | +31.09% |
| 2018 | -68.18% | -5.24% |
| 2017 | -1.79% | +20.78% |
| 2016 | +87.95% | +13.59% |
| 2015 | N/A | +1.31% |
| 2014 | N/A | +14.56% |
| 2013 | N/A | +29.00% |
| 2012 | N/A | +14.17% |
| 2011 | N/A | +0.85% |
| 2010 | N/A | +13.14% |
| 2009 | N/A | +22.67% |
| 2008 | N/A | -36.25% |
| 2007 | N/A | +5.32% |
| 2006 | N/A | +13.85% |
| 2005 | N/A | +5.32% |
| 2004 | N/A | +10.75% |
| 2003 | N/A | +24.18% |
| 2002 | N/A | -22.42% |
| 2001 | N/A | -10.13% |
| 2000 | N/A | -8.84% |
| 1999 | N/A | +8.61% |
PTGX vs SPY Drawdown Comparison
The maximum drawdown for PTGX was -85.79%, occurring on Jun 13, 2022. Recovery took 882 trading sessions.
The maximum drawdown for SPY was -55.20%, occurring on Mar 9, 2009. Recovery took 1224 trading sessions.
The current PTGX drawdown is -0.81%. The current SPY drawdown is -1.34%.
| Rank | PTGX | SPY |
|---|---|---|
| #1 | -85.79% Sep 1, 2021 - Mar 10, 2025 | -55.20% Oct 9, 2007 - Aug 16, 2012 |
| #2 | -82.13% Dec 5, 2016 - Feb 16, 2021 | -47.50% Mar 24, 2000 - Oct 26, 2006 |
| #3 | -31.58% Mar 11, 2025 - Aug 27, 2025 | -33.70% Feb 19, 2020 - Aug 10, 2020 |
| #4 | -20.33% Oct 17, 2016 - Nov 10, 2016 | -24.50% Jan 3, 2022 - Dec 13, 2023 |
| #5 | -19.04% Mar 19, 2021 - May 18, 2021 | -19.34% Sep 20, 2018 - Apr 12, 2019 |
| #6 | -16.38% Dec 12, 2025 - Mar 9, 2026 | -18.76% Feb 19, 2025 - Jun 26, 2025 |
| #7 | -15.52% Oct 10, 2025 - Nov 24, 2025 | -13.02% Jul 20, 2015 - Apr 18, 2016 |
| #8 | -12.77% Feb 16, 2021 - Mar 2, 2021 | -10.10% Jan 26, 2018 - Aug 6, 2018 |
| #9 | -12.03% Apr 17, 2026 - Jun 11, 2026 | -9.44% Sep 2, 2020 - Nov 11, 2020 |
| #10 | -11.53% Aug 19, 2016 - Aug 31, 2016 | -9.30% Jan 19, 2000 - Mar 17, 2000 |
| #11 | -9.62% Jun 8, 2021 - Jun 11, 2021 | -9.05% Jul 19, 2007 - Oct 5, 2007 |
| #12 | -8.53% Aug 27, 2025 - Sep 18, 2025 | -8.88% Jan 27, 2026 - Apr 14, 2026 |
| #13 | -7.78% Jul 7, 2026 - Jul 17, 2026 | -8.41% Jul 16, 2024 - Sep 19, 2024 |
| #14 | -7.43% Mar 31, 2026 - Apr 15, 2026 | -7.35% Sep 14, 2012 - Jan 2, 2013 |
| #15 | -7.20% Jun 14, 2021 - Jun 16, 2021 | -7.27% Sep 18, 2014 - Oct 31, 2014 |
Correlation
Correlation between PTGX and SPY is 0.84 which considered as a strong positive correlation - the stocks tend to move together.
0.84
-101
Select Stocks to Compare
Popular: PTGX vs SPY
More Comparisons
Compare with similar stocks
Compare PTGX with:
Compare SPY with:
Popular suggestions:
SPY vs VOO
SPDR S&P 500 ETF Trust vs VANGUARD 500 INDEX FUND ETF SHARES
SPY vs BRK-B
SPDR S&P 500 ETF Trust vs Berkshire Hathaway Inc - Class B
SPY vs SCHD
SPDR S&P 500 ETF Trust vs SCHWAB U.S. DIVIDEND EQUITY ETF
SPY vs GLD
SPDR S&P 500 ETF Trust vs SPDR Gold Shares ETF
SPY vs SPYG
SPDR S&P 500 ETF Trust vs STATE STREET(R) SPDR(R) PORTFOLIO S&P 500(R) GROWTH ETF