FSDPX vs. FSDAX

Last updated Jun 4, 2026

FSDPX (Fidelity Select Materials Portfolio) and FSDAX (Fidelity Select Defense & Aerospace Portfolio) are both mutual funds - FSDPX is a Energy Equities fund managed by Fidelity, while FSDAX is a Industrials Equities fund managed by Fidelity. Over the past 10 years, FSDPX returned 8.34%/yr vs 15.44%/yr for FSDAX. A 0.65 correlation means they provide meaningful diversification when combined. Both charge a 0.74% expense ratio.

Performance

FSDPX vs. FSDAX - Performance Comparison

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

Returns By Period

In the year-to-date period, FSDPX achieves a 16.72% return, which is significantly higher than FSDAX's 6.65% return. Over the past 10 years, FSDPX has underperformed FSDAX with an annualized return of 8.34%, while FSDAX has yielded a comparatively higher 15.44% annualized return.

FSDPX

• 1D: 1.57%
• 1M: 2.85%
• YTD: 16.72%
• 6M: 19.75%
• 1Y: 22.77%
• 3Y*: 10.15%
• 5Y*: 5.37%
• 10Y*: 8.34%

FSDAX

• 1D: -0.94%
• 1M: 6.67%
• YTD: 6.65%
• 6M: 13.89%
• 1Y: 25.92%
• 3Y*: 28.42%
• 5Y*: 16.23%
• 10Y*: 15.44%

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

FSDPX vs. FSDAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FSDPX Fidelity Select Materials Portfolio	16.72%	11.32%	-2.95%	7.29%	-9.86%	31.66%	21.78%	12.40%	-23.74%	25.99%
FSDAX Fidelity Select Defense & Aerospace Portfolio	6.65%	50.03%	15.83%	16.29%	6.83%	4.91%	-7.87%	33.75%	-6.83%	34.15%

Correlation

The correlation between FSDPX and FSDAX is 0.43, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.43
Correlation (3Y) Calculated over the trailing 3-year period	0.50
Correlation (5Y) Calculated over the trailing 5-year period	0.61
Correlation (10Y) Calculated over the trailing 10-year period	0.63
Correlation (All Time) Calculated using the full available price history since Sep 30, 1986	0.65

Over the past year, the correlation between FSDPX and FSDAX has dropped to 0.43 - well below their long-term average of 0.65, suggesting their price drivers have been diverging.

Return for Risk

FSDPX vs. FSDAX — Risk / Return Rank

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

FSDPX

FSDPX Risk / Return Rank: 23
FSDPX Sharpe Ratio Rank: 23
FSDPX Sortino Ratio Rank: 21
FSDPX Omega Ratio Rank: 21
FSDPX Calmar Ratio Rank: 27
FSDPX Martin Ratio Rank: 25

FSDAX

FSDAX Risk / Return Rank: 19
FSDAX Sharpe Ratio Rank: 20
FSDAX Sortino Ratio Rank: 20
FSDAX Omega Ratio Rank: 19
FSDAX Calmar Ratio Rank: 20
FSDAX Martin Ratio Rank: 17

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.

FSDPX vs. FSDAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Select Materials Portfolio (FSDPX) and Fidelity Select Defense & Aerospace Portfolio (FSDAX). 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.

	FSDPX	FSDAX	Difference
Sharpe ratio: Return per unit of total volatility	1.37	1.28	+0.09
Sortino ratio: Return per unit of downside risk	1.93	1.88	+0.05
Omega ratio: Gain probability vs. loss probability	1.24	1.23	+0.01
Calmar ratio: Return relative to maximum drawdown	1.95	1.67	+0.28
Martin ratio: Return relative to average drawdown	6.20	4.87	+1.33
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FSDPX vs. FSDAX - Sharpe Ratio Comparison

The current FSDPX Sharpe Ratio is 1.37, which is comparable to the FSDAX Sharpe Ratio of 1.28. The chart below compares the historical Sharpe Ratios of FSDPX and FSDAX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	FSDPX	FSDAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.37	1.28	+0.09
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.27	0.80	-0.53
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.39	0.69	-0.31
Sharpe Ratio (All Time) Calculated using the full available price history	0.43	0.64	-0.21

Drawdowns

FSDPX vs. FSDAX - Drawdown Comparison

The maximum FSDPX drawdown since its inception was -64.19%, which is greater than FSDAX's maximum drawdown of -60.59%. Use the drawdown chart below to compare losses from any high point for FSDPX and FSDAX.

Drawdown Indicators

	FSDPX	FSDAX	Difference
Max Drawdown Largest peak-to-trough decline	-64.19%	-60.59%	-3.60%
Max Drawdown (1Y) Largest decline over 1 year	-12.16%	-16.13%	+3.97%
Max Drawdown (3Y) Largest decline over 3 years	-22.13%	-16.13%	-6.00%
Max Drawdown (5Y) Largest decline over 5 years	-25.39%	-22.84%	-2.55%
Max Drawdown (10Y) Largest decline over 10 years	-49.89%	-47.08%	-2.81%
Current Drawdown Current decline from peak	-1.61%	-7.26%	+5.65%
Average Drawdown Average peak-to-trough decline	-11.30%	-10.45%	-0.85%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.81%	5.52%	-1.71%

Volatility

FSDPX vs. FSDAX - Volatility Comparison

The current volatility for Fidelity Select Materials Portfolio (FSDPX) is 6.36%, while Fidelity Select Defense & Aerospace Portfolio (FSDAX) has a volatility of 7.45%. This indicates that FSDPX experiences smaller price fluctuations and is considered to be less risky than FSDAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FSDPX	FSDAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.36%	7.45%	-1.09%
Volatility (6M) Calculated over the trailing 6-month period	13.96%	18.25%	-4.29%
Volatility (1Y) Calculated over the trailing 1-year period	17.30%	21.08%	-3.78%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.31%	20.42%	-0.11%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.70%	22.35%	-0.65%

FSDPX vs. FSDAX - Expense Ratio Comparison

Both FSDPX and FSDAX have an expense ratio of 0.74%.

Dividends

FSDPX vs. FSDAX - Dividend Comparison

FSDPX's dividend yield for the trailing twelve months is around 4.81%, more than FSDAX's 2.14% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FSDAX Fidelity Select Defense & Aerospace Portfolio	2.14%	4.48%	7.68%	6.47%	8.87%	8.38%	2.11%	2.62%	11.45%	3.57%	4.87%	6.30%
FSDPX Fidelity Select Materials Portfolio	4.81%	1.94%	12.46%	5.46%	3.34%	0.71%	0.68%	1.22%	12.89%	5.08%	1.05%	2.42%

Frequently Asked Questions

Can I hold both FSDPX and FSDAX in my portfolio?

FSDPX and FSDAX have a correlation of 0.43, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FSDPX or FSDAX?

FSDAX has higher volatility (7.45%) compared to FSDPX (6.36%). In terms of maximum drawdown, FSDPX dropped -64.19% vs FSDAX's -60.59%.

Which has better risk-adjusted returns?

FSDPX currently has the higher Sharpe Ratio (1.37 vs 1.28), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.