ECOIX vs. FNARX

Last updated Jun 4, 2026

ECOIX (Ecofin Global Renewables Infrastructure Fund) and FNARX (Fidelity Natural Resources Fund) are both Energy Equities funds. Over the past 5 years, ECOIX returned 3.40%/yr vs 20.77%/yr for FNARX. At a 0.35 correlation, their price movements are largely independent. ECOIX charges 0.91%/yr vs 0.82%/yr for FNARX.

Performance

ECOIX vs. FNARX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Ecofin Global Renewables Infrastructure Fund (ECOIX) and Fidelity Natural Resources Fund (FNARX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ECOIX achieves a 10.15% return, which is significantly lower than FNARX's 26.41% return.

ECOIX

• 1D: 0.87%
• 1M: 1.22%
• YTD: 10.15%
• 6M: 8.17%
• 1Y: 18.44%
• 3Y*: 7.72%
• 5Y*: 3.40%
• 10Y*: —

FNARX

• 1D: 1.53%
• 1M: -0.14%
• YTD: 26.41%
• 6M: 25.73%
• 1Y: 49.46%
• 3Y*: 22.36%
• 5Y*: 20.77%
• 10Y*: 11.13%

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

ECOIX vs. FNARX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
ECOIX Ecofin Global Renewables Infrastructure Fund	10.15%	25.37%	-3.91%	-8.55%	-10.92%	3.59%	26.86%
FNARX Fidelity Natural Resources Fund	26.41%	28.67%	3.76%	6.41%	41.01%	39.34%	7.22%

Correlation

The correlation between ECOIX and FNARX is 0.19, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.19
Correlation (3Y) Calculated over the trailing 3-year period	0.31
Correlation (5Y) Calculated over the trailing 5-year period	0.35
Correlation (All Time) Calculated using the full available price history since Aug 10, 2020	0.35

The correlation between ECOIX and FNARX shifts across timeframes, from 0.19 (1 year) to 0.35 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

ECOIX vs. FNARX — Risk / Return Rank

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

ECOIX

ECOIX Risk / Return Rank: 31
ECOIX Sharpe Ratio Rank: 27
ECOIX Sortino Ratio Rank: 25
ECOIX Omega Ratio Rank: 26
ECOIX Calmar Ratio Rank: 49
ECOIX Martin Ratio Rank: 29

FNARX

FNARX Risk / Return Rank: 87
FNARX Sharpe Ratio Rank: 89
FNARX Sortino Ratio Rank: 81
FNARX Omega Ratio Rank: 72
FNARX Calmar Ratio Rank: 98
FNARX Martin Ratio Rank: 96

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.

ECOIX vs. FNARX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Ecofin Global Renewables Infrastructure Fund (ECOIX) and Fidelity Natural Resources Fund (FNARX). 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.

	ECOIX	FNARX	Difference
Sharpe ratio: Return per unit of total volatility	1.49	2.93	-1.44
Sortino ratio: Return per unit of downside risk	2.11	3.82	-1.71
Omega ratio: Gain probability vs. loss probability	1.26	1.48	-0.21
Calmar ratio: Return relative to maximum drawdown	2.68	8.80	-6.12
Martin ratio: Return relative to average drawdown	6.75	23.35	-16.60
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ECOIX vs. FNARX - Sharpe Ratio Comparison

The current ECOIX Sharpe Ratio is 1.49, which is lower than the FNARX Sharpe Ratio of 2.93. The chart below compares the historical Sharpe Ratios of ECOIX and FNARX, 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

	ECOIX	FNARX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.49	2.93	-1.44
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.20	0.84	-0.64
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.41	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.36	0.30	+0.06

Drawdowns

ECOIX vs. FNARX - Drawdown Comparison

The maximum ECOIX drawdown since its inception was -38.64%, smaller than the maximum FNARX drawdown of -71.04%. Use the drawdown chart below to compare losses from any high point for ECOIX and FNARX.

Drawdown Indicators

	ECOIX	FNARX	Difference
Max Drawdown Largest peak-to-trough decline	-38.64%	-71.04%	+32.40%
Max Drawdown (1Y) Largest decline over 1 year	-7.11%	-5.74%	-1.37%
Max Drawdown (3Y) Largest decline over 3 years	-25.02%	-20.64%	-4.38%
Max Drawdown (5Y) Largest decline over 5 years	-37.60%	-29.93%	-7.67%
Max Drawdown (10Y) Largest decline over 10 years	—	-64.10%	—
Current Drawdown Current decline from peak	-0.75%	-3.04%	+2.29%
Average Drawdown Average peak-to-trough decline	-14.80%	-20.05%	+5.25%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.81%	2.16%	+0.65%

Volatility

ECOIX vs. FNARX - Volatility Comparison

The current volatility for Ecofin Global Renewables Infrastructure Fund (ECOIX) is 4.13%, while Fidelity Natural Resources Fund (FNARX) has a volatility of 5.16%. This indicates that ECOIX experiences smaller price fluctuations and is considered to be less risky than FNARX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ECOIX	FNARX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.13%	5.16%	-1.03%
Volatility (6M) Calculated over the trailing 6-month period	9.96%	14.12%	-4.16%
Volatility (1Y) Calculated over the trailing 1-year period	12.78%	17.31%	-4.53%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.30%	24.99%	-7.69%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.39%	26.95%	-9.56%

ECOIX vs. FNARX - Expense Ratio Comparison

ECOIX has a 0.91% expense ratio, which is higher than FNARX's 0.82% expense ratio.

Dividends

ECOIX vs. FNARX - Dividend Comparison

ECOIX's dividend yield for the trailing twelve months is around 3.52%, more than FNARX's 1.74% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ECOIX Ecofin Global Renewables Infrastructure Fund	3.52%	3.74%	3.26%	3.75%	3.11%	4.26%	1.29%	0.00%	0.00%	0.00%	0.00%	0.00%
FNARX Fidelity Natural Resources Fund	1.74%	1.89%	1.51%	1.60%	2.42%	1.46%	1.79%	1.42%	1.17%	1.38%	0.62%	0.78%

Frequently Asked Questions

Can I hold both ECOIX and FNARX in my portfolio?

ECOIX and FNARX have a correlation of 0.19, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ECOIX or FNARX?

FNARX has higher volatility (5.16%) compared to ECOIX (4.13%). In terms of maximum drawdown, ECOIX dropped -38.64% vs FNARX's -71.04%.

Which has better risk-adjusted returns?

FNARX currently has the higher Sharpe Ratio (2.93 vs 1.49), 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.