GRID vs. PXF

Last updated Jun 14, 2026

GRID (First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund) and PXF (Invesco FTSE RAFI Developed Markets ex-U.S. ETF) are both exchange-traded funds - GRID is a Alternative Energy Equities fund tracking the Nasdaq Clean Edge Smart Grid Infrastructure Index, while PXF is a Foreign Large Cap Equities fund tracking the FTSE RAFI Developed Markets ex-U.S. Index. Both are passively managed. Over the past 10 years, GRID returned 19.76%/yr vs 12.26%/yr for PXF. A 0.72 correlation means they provide meaningful diversification when combined. GRID charges 0.70%/yr vs 0.45%/yr for PXF.

Performance

GRID vs. PXF - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund (GRID) and Invesco FTSE RAFI Developed Markets ex-U.S. ETF (PXF). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, GRID achieves a 23.59% return, which is significantly higher than PXF's 18.79% return. Over the past 10 years, GRID has outperformed PXF with an annualized return of 19.76%, while PXF has yielded a comparatively lower 12.26% annualized return.

GRID

• 1D: -0.18%
• 1M: -4.22%
• YTD: 23.59%
• 6M: 24.02%
• 1Y: 43.17%
• 3Y*: 23.21%
• 5Y*: 16.83%
• 10Y*: 19.76%

PXF

• 1D: 0.34%
• 1M: 0.69%
• YTD: 18.79%
• 6M: 20.98%
• 1Y: 41.20%
• 3Y*: 23.81%
• 5Y*: 13.18%
• 10Y*: 12.26%

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

GRID vs. PXF - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
GRID First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund	23.59%	29.65%	15.18%	21.57%	-13.89%	27.65%	48.84%	42.80%	-22.69%	27.44%
PXF Invesco FTSE RAFI Developed Markets ex-U.S. ETF	18.79%	42.51%	4.54%	18.46%	-9.09%	15.93%	2.58%	17.50%	-14.84%	24.52%

Correlation

The correlation between GRID and PXF is 0.80, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.80
Correlation (3Y) Calculated over the trailing 3-year period	0.77
Correlation (5Y) Calculated over the trailing 5-year period	0.80
Correlation (10Y) Calculated over the trailing 10-year period	0.76
Correlation (All Time) Calculated using the full available price history since Nov 17, 2009	0.72

The correlation between GRID and PXF has been stable across timeframes, ranging from 0.72 to 0.80 - a consistent structural relationship.

GRID vs. PXF - Sectors Allocation Comparison

Sectors	GRID	PXF
Industrials	24.4%	14.6%
Technology	12.6%	14.7%
Utilities	3.9%	3.2%
Consumer Cyclical	2.4%	10.4%
Energy	1.6%	9.5%
Basic Materials	0.0%	10.1%
Communication Services	-	4.3%
Consumer Defensive	-	5.7%
Financial Services	-	19.1%
Healthcare	-	6.8%
Real Estate	-	1.6%

Return for Risk

GRID vs. PXF — Risk / Return Rank

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

GRID

GRID Risk / Return Rank: 73
GRID Sharpe Ratio Rank: 72
GRID Sortino Ratio Rank: 69
GRID Omega Ratio Rank: 69
GRID Calmar Ratio Rank: 79
GRID Martin Ratio Rank: 78

PXF

PXF Risk / Return Rank: 83
PXF Sharpe Ratio Rank: 87
PXF Sortino Ratio Rank: 84
PXF Omega Ratio Rank: 85
PXF Calmar Ratio Rank: 80
PXF Martin Ratio Rank: 80

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.

GRID vs. PXF - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund (GRID) and Invesco FTSE RAFI Developed Markets ex-U.S. ETF (PXF). 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.

	GRID	PXF	Difference
Sharpe ratio: Return per unit of total volatility	2.02	2.47	-0.45
Sortino ratio: Return per unit of downside risk	2.70	3.25	-0.55
Omega ratio: Gain probability vs. loss probability	1.35	1.45	-0.09
Calmar ratio: Return relative to maximum drawdown	3.57	3.66	-0.09
Martin ratio: Return relative to average drawdown	12.89	13.76	-0.86

GRID vs. PXF - Sharpe Ratio Comparison

The current GRID Sharpe Ratio is 2.02, which is comparable to the PXF Sharpe Ratio of 2.47. The chart below compares the historical Sharpe Ratios of GRID and PXF, 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

GRID vs. PXF - Drawdown Comparison

The maximum GRID drawdown since its inception was -40.56%, smaller than the maximum PXF drawdown of -64.74%. Use the drawdown chart below to compare losses from any high point for GRID and PXF.

Drawdown Indicators

	GRID	PXF	Difference
Max Drawdown Largest peak-to-trough decline	-40.56%	-64.74%	+24.18%
Max Drawdown (1Y) Largest decline over 1 year	-11.73%	-10.91%	-0.82%
Max Drawdown (3Y) Largest decline over 3 years	-20.77%	-14.06%	-6.71%
Max Drawdown (5Y) Largest decline over 5 years	-29.64%	-26.82%	-2.82%
Max Drawdown (10Y) Largest decline over 10 years	-40.56%	-41.59%	+1.03%
Current Drawdown Current decline from peak	-5.40%	-2.04%	-3.36%
Average Drawdown Average peak-to-trough decline	-8.42%	-15.25%	+6.83%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.25%	2.90%	+0.35%

Volatility

GRID vs. PXF - Volatility Comparison

First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund (GRID) has a higher volatility of 9.56% compared to Invesco FTSE RAFI Developed Markets ex-U.S. ETF (PXF) at 6.76%. This indicates that GRID's price experiences larger fluctuations and is considered to be riskier than PXF based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GRID	PXF	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.56%	6.76%	+2.80%
Volatility (6M) Calculated over the trailing 6-month period	17.70%	13.95%	+3.75%
Volatility (1Y) Calculated over the trailing 1-year period	20.73%	16.18%	+4.55%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.24%	16.62%	+4.62%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.90%	18.07%	+4.83%

GRID vs. PXF - Expense Ratio Comparison

GRID has a 0.70% expense ratio, which is higher than PXF's 0.45% expense ratio.

Dividends

GRID vs. PXF - Dividend Comparison

GRID's dividend yield for the trailing twelve months is around 0.80%, less than PXF's 3.12% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
GRID First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund	0.80%	1.01%	1.06%	1.23%	1.26%	0.63%	0.68%	1.26%	1.28%	1.07%	1.07%	1.23%
PXF Invesco FTSE RAFI Developed Markets ex-U.S. ETF	3.12%	3.64%	3.48%	3.55%	3.58%	3.74%	2.11%	3.50%	3.38%	2.78%	3.21%	3.10%

Frequently Asked Questions

Can I hold both GRID and PXF in my portfolio?

GRID and PXF have a correlation of 0.80, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, GRID or PXF?

GRID has higher volatility (9.56%) compared to PXF (6.76%). In terms of maximum drawdown, GRID dropped -40.56% vs PXF's -64.74%.

Which ETF is better, GRID or PXF?

On 10-year performance, GRID leads with 19.76% vs 12.26% for PXF. On fees, PXF is cheaper at 0.45% per year. On volatility, PXF has been the lower-risk option at 6.76%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, GRID or PXF?

Over the 10-year period, GRID has performed better with a 19.76% return vs 12.26%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, GRID or PXF?

PXF is cheaper with a 0.45% expense ratio, compared with 0.70% for GRID.

Which ETF pays a higher dividend yield, GRID or PXF?

PXF has the higher dividend yield at 3.12%, compared with 0.80% for GRID.

What is the main difference between GRID and PXF?

GRID is categorized as Alternative Energy Equities, while PXF is Foreign Large Cap Equities. GRID tracks Nasdaq Clean Edge Smart Grid Infrastructure Index, while PXF tracks FTSE RAFI Developed Markets ex-U.S. Index. They also come from different issuers: First Trust and Invesco. Their fees differ too: 0.70% for GRID and 0.45% for PXF.

Which has better risk-adjusted returns?

PXF currently has the higher Sharpe Ratio (2.47 vs 2.02), 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.