DEC vs. FSDAX

Last updated Aug 1, 2026

DEC (Diversified Energy Company PLC) is a stock, while FSDAX (Fidelity Select Defense & Aerospace Portfolio) is Aerospace & Defense fund actively managed by Fidelity. Over the past year, DEC returned 1.86% vs 22.65% for FSDAX. Their 0.06 correlation means their historical movements had little consistent relationship.

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 -3.06% return, which is significantly lower than FSDAX's 12.58% return.

DEC

• 1D: 3.06%
• 1M: -5.87%
• 6M: 4.83%
• YTD: -3.06%
• 1Y: 1.86%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: -1.31%

FSDAX

• 1D: 0.97%
• 1M: -4.06%
• 6M: 6.10%
• YTD: 12.58%
• 1Y: 22.65%
• 3Y*: 28.50%
• 5Y*: 18.30%
• 10Y*: 15.62%
• ALL TIME*: 12.21%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
DEC Diversified Energy Company PLC	$10.25M	$11.43M	$13.66M
FSDAX Fidelity Select Defense & Aerospace Portfolio	$0.00	$0.00	$0.00

DEC vs. FSDAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
DEC Diversified Energy Company PLC	-3.06%	-6.66%	27.42%	-16.20%
FSDAX Fidelity Select Defense & Aerospace Portfolio	12.58%	50.03%	15.83%	2.11%

Correlation

The correlation between DEC and FSDAX is -0.17, meaning they have often moved in opposite directions in the past. This relationship can weaken or reverse as market conditions change.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	-0.17
Correlation (All Time) Calculated using the full available price history since Dec 18, 2023	0.06

The correlation between DEC and FSDAX shifts across timeframes, from -0.17 (1 year) to 0.06 (all time), reflecting how their relationship changes across market environments.

Return for Risk

DEC vs. FSDAX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

DEC

DEC Risk / Return Rank: 39
DEC Sharpe Ratio Rank: 41
DEC Sortino Ratio Rank: 37
DEC Omega Ratio Rank: 36
DEC Calmar Ratio Rank: 41
DEC Martin Ratio Rank: 40

FSDAX

FSDAX Risk / Return Rank: 30
FSDAX Sharpe Ratio Rank: 30
FSDAX Sortino Ratio Rank: 31
FSDAX Omega Ratio Rank: 29
FSDAX Calmar Ratio Rank: 31
FSDAX Martin Ratio Rank: 27

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	DEC	FSDAX	Difference
Sharpe ratio: Return per unit of total volatility	-0.08	0.94	-1.02
Sortino ratio: Return per unit of downside risk	0.17	1.45	-1.28
Omega ratio: Gain probability vs. loss probability	1.02	1.17	-0.15
Calmar ratio: Return relative to maximum drawdown	-0.11	1.33	-1.43
Martin ratio: Return relative to average drawdown	-0.20	3.65	-3.85

DEC vs. FSDAX - Sharpe Ratio Comparison

The current DEC Sharpe Ratio is -0.08, which is lower than the FSDAX Sharpe Ratio of 0.94. 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.

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	-30.33%	-16.13%	-14.20%
Max Drawdown (3Y) Largest decline over 3 years	—	-16.13%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-21.90%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-47.08%	—
Current Drawdown Current decline from peak	-24.98%	-5.22%	-19.76%
Average Drawdown Average peak-to-trough decline	-17.35%	-10.43%	-6.92%
Ulcer Index Depth and duration of drawdowns from previous peaks	16.21%	5.86%	+10.35%

Volatility

DEC vs. FSDAX - Volatility Comparison

Diversified Energy Company PLC (DEC) has a higher volatility of 12.76% compared to Fidelity Select Defense & Aerospace Portfolio (FSDAX) at 7.33%. 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	12.76%	7.33%	+5.43%
Volatility (6M) Calculated over the trailing 6-month period	29.69%	18.86%	+10.83%
Volatility (1Y) Calculated over the trailing 1-year period	40.83%	22.77%	+18.06%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	45.45%	20.65%	+24.80%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	45.45%	22.51%	+22.94%

Dividends

DEC vs. FSDAX - Dividend Comparison

DEC's dividend yield for the trailing twelve months is around 8.62%, more than FSDAX's 2.03% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DEC Diversified Energy Company PLC	8.62%	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	2.03%	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 -0.17, 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 (12.76%) compared to FSDAX (7.33%). 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 (0.94 vs -0.08), 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.