DEC vs. FSDAX

Last updated Jun 4, 2026

DEC (Diversified Energy Company PLC) is a stock, while FSDAX (Fidelity Select Defense & Aerospace Portfolio) is Industrials Equities fund managed by Fidelity. Over the past year, DEC returned 7.99% vs 25.92% for FSDAX. At a 0.09 correlation, their price movements are largely independent.

Performance

DEC vs. FSDAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Diversified Energy Company PLC (DEC) 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, DEC achieves a 1.26% return, which is significantly lower than FSDAX's 6.65% return.

DEC

• 1D: -1.47%
• 1M: -14.74%
• YTD: 1.26%
• 6M: -3.48%
• 1Y: 7.99%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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)

DEC vs. FSDAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
DEC Diversified Energy Company PLC	1.26%	-6.66%	27.42%	-16.31%
FSDAX Fidelity Select Defense & Aerospace Portfolio	6.65%	50.03%	15.83%	1.93%

Correlation

The correlation between DEC and FSDAX is -0.09, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.09
Correlation (All Time) Calculated using the full available price history since Dec 19, 2023	0.09

The correlation between DEC and FSDAX shifts across timeframes, from -0.09 (1 year) to 0.09 (all time), reflecting how their relationship changes across market environments.

Return for Risk

DEC vs. FSDAX — Risk / Return Rank

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

DEC

DEC Risk / Return Rank: 46
DEC Sharpe Ratio Rank: 49
DEC Sortino Ratio Rank: 43
DEC Omega Ratio Rank: 42
DEC Calmar Ratio Rank: 49
DEC Martin Ratio Rank: 47

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.

DEC vs. FSDAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Diversified Energy Company PLC (DEC) 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.

	DEC	FSDAX	Difference
Sharpe ratio: Return per unit of total volatility	0.20	1.28	-1.07
Sortino ratio: Return per unit of downside risk	0.56	1.88	-1.32
Omega ratio: Gain probability vs. loss probability	1.07	1.23	-0.16
Calmar ratio: Return relative to maximum drawdown	0.33	1.67	-1.34
Martin ratio: Return relative to average drawdown	0.63	4.87	-4.25
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

DEC vs. FSDAX - Sharpe Ratio Comparison

The current DEC Sharpe Ratio is 0.20, which is lower than the FSDAX Sharpe Ratio of 1.28. The chart below compares the historical Sharpe Ratios of DEC 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

	DEC	FSDAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.20	1.28	-1.07
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.80	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.69	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.01	0.64	-0.63

Drawdowns

DEC vs. FSDAX - Drawdown Comparison

The maximum DEC drawdown since its inception was -37.95%, smaller than the maximum FSDAX drawdown of -60.59%. Use the drawdown chart below to compare losses from any high point for DEC and FSDAX.

Drawdown Indicators

	DEC	FSDAX	Difference
Max Drawdown Largest peak-to-trough decline	-37.95%	-60.59%	+22.64%
Max Drawdown (1Y) Largest decline over 1 year	-24.17%	-16.13%	-8.04%
Max Drawdown (3Y) Largest decline over 3 years	—	-16.13%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-22.84%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-47.08%	—
Current Drawdown Current decline from peak	-21.64%	-7.26%	-14.38%
Average Drawdown Average peak-to-trough decline	-16.86%	-10.45%	-6.41%
Ulcer Index Depth and duration of drawdowns from previous peaks	12.76%	5.52%	+7.24%

Volatility

DEC vs. FSDAX - Volatility Comparison

Diversified Energy Company PLC (DEC) has a higher volatility of 12.18% compared to Fidelity Select Defense & Aerospace Portfolio (FSDAX) at 7.45%. This indicates that DEC's price experiences larger fluctuations and is considered to be riskier than FSDAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DEC	FSDAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	12.18%	7.45%	+4.73%
Volatility (6M) Calculated over the trailing 6-month period	29.79%	18.25%	+11.54%
Volatility (1Y) Calculated over the trailing 1-year period	39.30%	21.08%	+18.22%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	45.72%	20.42%	+25.30%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	45.72%	22.35%	+23.37%

Dividends

DEC vs. FSDAX - Dividend Comparison

DEC's dividend yield for the trailing twelve months is around 8.25%, more than FSDAX's 2.14% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DEC Diversified Energy Company PLC	8.25%	8.01%	10.39%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
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%

Frequently Asked Questions

Can I hold both DEC and FSDAX in my portfolio?

DEC and FSDAX have a correlation of -0.09, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, DEC or FSDAX?

DEC has higher volatility (12.18%) compared to FSDAX (7.45%). In terms of maximum drawdown, DEC dropped -37.95% vs FSDAX's -60.59%.

Which has better risk-adjusted returns?

FSDAX currently has the higher Sharpe Ratio (1.28 vs 0.20), 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.