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CSTL vs SPY

Comparison between Castle Biosciences Inc (CSTL, Company) and SPDR S&P 500 ETF Trust (SPY, ETF).

5-Year PerformanceSPY has outperformed CSTL, delivering a return of +13.3% compared to -19.8%

CSTL vs SPY - Performance Comparison

Key Characteristics

Financial metrics and valuation ratios

Market Cap / Net Assets
CSTL
$644M
Winner
SPY
$735B
Expense Ratio
CSTL
N/A
SPY
0.09%
Max Drawdown
CSTL
88.02%
Winner
SPY
56.47%
Sharpe Ratio
CSTL
0.58
Winner
SPY
1.62
5Y Beta
Winner
CSTL
0.84
SPY
1.00
Industry
CSTL
Diagnostics & Research
SPY
N/A
P/E Ratio
Winner
CSTL
-50.74
SPY
28.99
Forward P/E
CSTL
N/A
SPY
22.37
PEG Ratio
CSTL
-0.30
SPY
N/A
5Y Dividends CAGR
CSTL
N/A
SPY
5.43%
5Y EPS CAGR
CSTL
-7.41%
Winner
SPY
26.05%
Debt to Equity
Winner
CSTL
2.18%
SPY
32.40%
Free Cash Flow Yield
CSTL
0.70%
SPY
N/A
P/S Ratio
Winner
CSTL
1.88
SPY
3.74
P/B Ratio
Winner
CSTL
1.45
SPY
5.61

CSTL vs SPY - Historical Returns

Returns include dividend reinvestment.

1M
CSTL
-14.59%
Winner
SPY
+1.90%
3M
CSTL
-24.72%
Winner
SPY
+8.55%
6M
CSTL
-45.63%
Winner
SPY
+8.18%
1Y
CSTL
+23.44%
Winner
SPY
+25.79%
5Y(CAGR)
CSTL
-19.79%
Winner
SPY
+13.32%
10Y(CAGR)
CSTL
N/A
SPY
+15.19%
Max(CAGR)
CSTL
-0.27%
Winner
SPY
+8.47%

CSTL vs SPY - Annual Returns (1999 - 2026)

Returns include dividend reinvestment.

YearCSTLSPY
2026-45.49%+8.26%
2025+38.73%+18.00%
2024+21.36%+25.59%
2023-5.27%+26.72%
2022-48.41%-18.64%
2021-37.76%+30.52%
2020+98.55%+17.28%
2019+60.61%+31.09%
2018N/A-5.24%
2017N/A+20.78%
2016N/A+13.59%
2015N/A+1.31%
2014N/A+14.56%
2013N/A+29.00%
2012N/A+14.17%
2011N/A+0.85%
2010N/A+13.14%
2009N/A+22.67%
2008N/A-36.25%
2007N/A+5.32%
2006N/A+13.85%
2005N/A+5.32%
2004N/A+10.75%
2003N/A+24.18%
2002N/A-22.42%
2001N/A-10.13%
2000N/A-8.84%
1999N/A+8.61%

CSTL vs SPY Drawdown Comparison

The maximum drawdown for CSTL was -88.02%, occurring on Jun 5, 2023. This drawdown has not yet recovered.

The maximum drawdown for SPY was -55.20%, occurring on Mar 9, 2009. Recovery took 1224 trading sessions.

The current CSTL drawdown is -78.41%. The current SPY drawdown is -2.90%.

RankCSTLSPY
#1-88.02%
Feb 9, 2021 - Jun 5, 2023
-55.20%
Oct 9, 2007 - Aug 16, 2012
#2-43.62%
Aug 30, 2019 - Nov 14, 2019
-47.50%
Mar 24, 2000 - Oct 26, 2006
#3-35.04%
Jan 6, 2020 - May 12, 2020
-33.70%
Feb 19, 2020 - Aug 10, 2020
#4-21.13%
Jul 29, 2019 - Aug 26, 2019
-24.50%
Jan 3, 2022 - Dec 13, 2023
#5-20.52%
Oct 9, 2020 - Dec 8, 2020
-19.34%
Sep 20, 2018 - Apr 12, 2019
#6-20.48%
Jan 20, 2021 - Feb 3, 2021
-18.76%
Feb 19, 2025 - Jun 26, 2025
#7-18.41%
Jun 23, 2020 - Jul 9, 2020
-13.02%
Jul 20, 2015 - Apr 18, 2016
#8-15.07%
Dec 6, 2019 - Dec 27, 2019
-10.10%
Jan 26, 2018 - Aug 6, 2018
#9-14.15%
Jul 15, 2020 - Aug 19, 2020
-9.44%
Sep 2, 2020 - Nov 11, 2020
#10-8.51%
Dec 28, 2020 - Jan 7, 2021
-9.30%
Jan 19, 2000 - Mar 17, 2000
#11-8.15%
Jan 8, 2021 - Jan 20, 2021
-9.05%
Jul 19, 2007 - Oct 5, 2007
#12-7.89%
Dec 16, 2020 - Dec 21, 2020
-8.88%
Jan 27, 2026 - Apr 14, 2026
#13-7.01%
Nov 18, 2019 - Dec 3, 2019
-8.41%
Jul 16, 2024 - Sep 19, 2024
#14-6.75%
May 12, 2020 - May 15, 2020
-7.35%
Sep 14, 2012 - Jan 2, 2013
#15-5.83%
Jun 1, 2020 - Jun 15, 2020
-7.27%
Sep 18, 2014 - Oct 31, 2014

Correlation

Correlation between CSTL and SPY is -0.26 which considered as a very weak or no correlation - the stocks move independently of each other.

-0.26
-101

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