PBD vs. GRID

Last updated Apr 1, 2026

Compare and contrast key facts about Invesco Global Clean Energy ETF (PBD) and First Trust Nasdaq Clean Edge Smart GRID Infrastructure Index (GRID).

PBD and GRID are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. PBD is a passively managed fund by Invesco that tracks the performance of the WilderHill New Energy Global Innovation index. It was launched on Jun 13, 2007. GRID is a passively managed fund by First Trust that tracks the performance of the NASDAQ OMX Clean Edge Smart Grid Infrastructure Index. It was launched on Nov 17, 2009. Both PBD and GRID are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.

Performance

PBD vs. GRID - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco Global Clean Energy ETF (PBD) and First Trust Nasdaq Clean Edge Smart GRID Infrastructure Index (GRID). The values are adjusted to include any dividend payments, if applicable.

PBD vs. GRID - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PBD Invesco Global Clean Energy ETF	11.61%	43.65%	-26.39%	-10.69%	-29.70%	-22.30%	145.46%	40.00%	-19.32%	28.72%
GRID First Trust Nasdaq Clean Edge Smart GRID Infrastructure Index	6.96%	29.65%	15.18%	21.57%	-13.89%	27.65%	48.84%	42.80%	-22.69%	27.44%

Returns By Period

In the year-to-date period, PBD achieves a 11.61% return, which is significantly higher than GRID's 6.96% return. Over the past 10 years, PBD has underperformed GRID with an annualized return of 7.28%, while GRID has yielded a comparatively higher 18.08% annualized return.

PBD

• 1D: 3.34%
• 1M: -2.23%
• YTD: 11.61%
• 6M: 19.78%
• 1Y: 74.57%
• 3Y*: -0.76%
• 5Y*: -9.29%
• 10Y*: 7.28%

GRID

• 1D: 3.81%
• 1M: -7.97%
• YTD: 6.96%
• 6M: 8.57%
• 1Y: 46.12%
• 3Y*: 20.12%
• 5Y*: 14.69%
• 10Y*: 18.08%

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

PBD vs. GRID - Expense Ratio Comparison

PBD has a 0.75% expense ratio, which is higher than GRID's 0.70% expense ratio.

PBD

Invesco Global Clean Energy ETF

GRID

First Trust Nasdaq Clean Edge Smart GRID Infrastructure Index

Return for Risk

PBD vs. GRID — Risk / Return Rank

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

PBD

PBD Risk / Return Rank: 97
PBD Sharpe Ratio Rank: 97
PBD Sortino Ratio Rank: 97
PBD Omega Ratio Rank: 96
PBD Calmar Ratio Rank: 97
PBD Martin Ratio Rank: 97

GRID

GRID Risk / Return Rank: 94
GRID Sharpe Ratio Rank: 94
GRID Sortino Ratio Rank: 95
GRID Omega Ratio Rank: 93
GRID Calmar Ratio Rank: 95
GRID Martin Ratio Rank: 95

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.

PBD vs. GRID - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Global Clean Energy ETF (PBD) and First Trust Nasdaq Clean Edge Smart GRID Infrastructure Index (GRID). 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.

	PBD	GRID	Difference
Sharpe ratio Return per unit of total volatility	2.96	2.16	+0.79
Sortino ratio Return per unit of downside risk	3.67	2.95	+0.73
Omega ratio Gain probability vs. loss probability	1.49	1.41	+0.09
Calmar ratio Return relative to maximum drawdown	5.24	3.82	+1.42
Martin ratio Return relative to average drawdown	19.56	14.42	+5.14
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PBD vs. GRID - Sharpe Ratio Comparison

The current PBD Sharpe Ratio is 2.96, which is higher than the GRID Sharpe Ratio of 2.16. The chart below compares the historical Sharpe Ratios of PBD and GRID, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	PBD	GRID	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.96	2.16	+0.79
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.33	0.71	-1.04
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.27	0.80	-0.53
Sharpe Ratio (All Time) Calculated using the full available price history	-0.01	0.52	-0.54

Correlation

The correlation between PBD and GRID is 0.69, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

PBD vs. GRID - Dividend Comparison

PBD's dividend yield for the trailing twelve months is around 2.02%, more than GRID's 0.92% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PBD Invesco Global Clean Energy ETF	2.02%	2.71%	1.81%	2.85%	2.98%	0.67%	0.48%	1.83%	1.86%	1.76%	2.04%	1.24%
GRID First Trust Nasdaq Clean Edge Smart GRID Infrastructure Index	0.92%	1.01%	1.06%	1.23%	1.26%	0.63%	0.68%	1.26%	1.28%	1.07%	1.07%	1.23%

Drawdowns

PBD vs. GRID - Drawdown Comparison

The maximum PBD drawdown since its inception was -78.60%, which is greater than GRID's maximum drawdown of -40.56%. Use the drawdown chart below to compare losses from any high point for PBD and GRID.

Drawdown Indicators

	PBD	GRID	Difference
Max Drawdown Largest peak-to-trough decline	-78.60%	-40.56%	-38.04%
Max Drawdown (1Y) Largest decline over 1 year	-13.51%	-11.73%	-1.78%
Max Drawdown (5Y) Largest decline over 5 years	-69.26%	-29.64%	-39.62%
Max Drawdown (10Y) Largest decline over 10 years	-75.40%	-40.56%	-34.84%
Current Drawdown Current decline from peak	-50.86%	-8.37%	-42.49%
Average Drawdown Average peak-to-trough decline	-53.49%	-8.50%	-44.99%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.62%	3.11%	+0.51%

Volatility

PBD vs. GRID - Volatility Comparison

Invesco Global Clean Energy ETF (PBD) and First Trust Nasdaq Clean Edge Smart GRID Infrastructure Index (GRID) have volatilities of 9.50% and 9.26%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PBD	GRID	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.50%	9.26%	+0.24%
Volatility (6M) Calculated over the trailing 6-month period	17.96%	14.14%	+3.82%
Volatility (1Y) Calculated over the trailing 1-year period	25.46%	21.44%	+4.02%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	28.43%	20.68%	+7.75%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.11%	22.74%	+4.37%