FSDAX vs. SKYE

Last updated Apr 2, 2026

Compare and contrast key facts about Fidelity Select Defense & Aerospace Portfolio (FSDAX) and Skye Bioscience, Inc (SKYE).

FSDAX is managed by Fidelity. It was launched on May 8, 1984.

Performance

FSDAX vs. SKYE - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Select Defense & Aerospace Portfolio (FSDAX) and Skye Bioscience, Inc (SKYE). The values are adjusted to include any dividend payments, if applicable.

FSDAX vs. SKYE - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FSDAX Fidelity Select Defense & Aerospace Portfolio	0.15%	50.03%	15.83%	16.29%	6.83%	4.91%	-7.87%	33.75%	-6.83%	34.15%
SKYE Skye Bioscience, Inc	-11.31%	-73.51%	4.04%	-32.84%	-68.85%	30.00%	-69.47%	-67.25%	163.16%	-49.67%

Returns By Period

In the year-to-date period, FSDAX achieves a 0.15% return, which is significantly higher than SKYE's -11.31% return. Over the past 10 years, FSDAX has outperformed SKYE with an annualized return of 15.39%, while SKYE has yielded a comparatively lower -42.12% annualized return.

FSDAX

• 1D: 3.85%
• 1M: -12.91%
• YTD: 0.15%
• 6M: 2.83%
• 1Y: 38.75%
• 3Y*: 25.22%
• 5Y*: 15.72%
• 10Y*: 15.39%

SKYE

• 1D: 8.18%
• 1M: -12.64%
• YTD: -11.31%
• 6M: -84.39%
• 1Y: -52.51%
• 3Y*: -46.53%
• 5Y*: -52.99%
• 10Y*: -42.12%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Return for Risk

FSDAX vs. SKYE — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

FSDAX

FSDAX Risk / Return Rank: 86
FSDAX Sharpe Ratio Rank: 86
FSDAX Sortino Ratio Rank: 85
FSDAX Omega Ratio Rank: 82
FSDAX Calmar Ratio Rank: 89
FSDAX Martin Ratio Rank: 88

SKYE

SKYE Risk / Return Rank: 25
SKYE Sharpe Ratio Rank: 22
SKYE Sortino Ratio Rank: 32
SKYE Omega Ratio Rank: 32
SKYE Calmar Ratio Rank: 17
SKYE Martin Ratio Rank: 21

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

FSDAX vs. SKYE - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Select Defense & Aerospace Portfolio (FSDAX) and Skye Bioscience, Inc (SKYE). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	FSDAX	SKYE	Difference
Sharpe ratio Return per unit of total volatility	1.70	-0.42	+2.12
Sortino ratio Return per unit of downside risk	2.27	0.16	+2.11
Omega ratio Gain probability vs. loss probability	1.33	1.02	+0.31
Calmar ratio Return relative to maximum drawdown	2.44	-0.66	+3.10
Martin ratio Return relative to average drawdown	9.56	-1.05	+10.61
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FSDAX vs. SKYE - Sharpe Ratio Comparison

The current FSDAX Sharpe Ratio is 1.70, which is higher than the SKYE Sharpe Ratio of -0.42. The chart below compares the historical Sharpe Ratios of FSDAX and SKYE, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	FSDAX	SKYE	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.70	-0.42	+2.12
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.79	-0.40	+1.19
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.70	-0.31	+1.01
Sharpe Ratio (All Time) Calculated using the full available price history	0.63	-0.36	+1.00

Correlation

The correlation between FSDAX and SKYE is 0.07, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

FSDAX vs. SKYE - Dividend Comparison

FSDAX's dividend yield for the trailing twelve months is around 4.48%, while SKYE has not paid dividends to shareholders.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FSDAX Fidelity Select Defense & Aerospace Portfolio	4.48%	4.48%	7.68%	6.47%	8.87%	8.38%	2.11%	2.62%	11.45%	3.57%	4.87%	6.30%
SKYE Skye Bioscience, Inc	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Drawdowns

FSDAX vs. SKYE - Drawdown Comparison

The maximum FSDAX drawdown since its inception was -60.59%, smaller than the maximum SKYE drawdown of -99.96%. Use the drawdown chart below to compare losses from any high point for FSDAX and SKYE.

Drawdown Indicators

	FSDAX	SKYE	Difference
Max Drawdown Largest peak-to-trough decline	-60.59%	-99.96%	+39.37%
Max Drawdown (1Y) Largest decline over 1 year	-16.13%	-87.85%	+71.72%
Max Drawdown (5Y) Largest decline over 5 years	-22.84%	-99.07%	+76.23%
Max Drawdown (10Y) Largest decline over 10 years	-47.08%	-99.83%	+52.75%
Current Drawdown Current decline from peak	-12.91%	-99.95%	+87.04%
Average Drawdown Average peak-to-trough decline	-10.45%	-94.87%	+84.42%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.12%	55.54%	-51.42%

Volatility

FSDAX vs. SKYE - Volatility Comparison

The current volatility for Fidelity Select Defense & Aerospace Portfolio (FSDAX) is 8.46%, while Skye Bioscience, Inc (SKYE) has a volatility of 23.12%. This indicates that FSDAX experiences smaller price fluctuations and is considered to be less risky than SKYE based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FSDAX	SKYE	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.46%	23.12%	-14.66%
Volatility (6M) Calculated over the trailing 6-month period	15.97%	110.81%	-94.84%
Volatility (1Y) Calculated over the trailing 1-year period	23.47%	125.77%	-102.30%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.00%	133.29%	-113.29%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.10%	137.34%	-115.24%