DGT vs. CGW

Last updated Aug 4, 2026

DGT (State Street SPDR Global Dow ETF) and CGW (Invesco S&P Global Water Index ETF) are both exchange-traded funds - DGT is a Global Equities fund tracking the The Global Dow, while CGW is a Water Equities fund tracking the S&P Global Water Index. Both are passively managed. Over the past 10 years, DGT returned 13.82%/yr vs 9.92%/yr for CGW. Their 0.76 correlation means they have sometimes moved together and sometimes differently. DGT charges 0.50%/yr vs 0.57%/yr for CGW.

Performance

DGT vs. CGW - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in State Street SPDR Global Dow ETF (DGT) and Invesco S&P Global Water Index ETF (CGW). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, DGT achieves a 14.11% return, which is significantly higher than CGW's 3.58% return. Over the past 10 years, DGT has outperformed CGW with an annualized return of 13.82%, while CGW has yielded a comparatively lower 9.92% annualized return.

DGT

• 1D: 0.34%
• 1M: 1.92%
• 6M: 8.79%
• YTD: 14.11%
• 1Y: 29.88%
• 3Y*: 21.39%
• 5Y*: 14.43%
• 10Y*: 13.82%
• ALL TIME*: 5.62%

CGW

• 1D: 0.46%
• 1M: -0.82%
• 6M: -1.08%
• YTD: 3.58%
• 1Y: 6.44%
• 3Y*: 10.27%
• 5Y*: 4.19%
• 10Y*: 9.92%
• ALL TIME*: 7.28%

*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)
CGW Invesco S&P Global Water Index ETF	$1.71M	$1.82M	$1.98M
DGT State Street SPDR Global Dow ETF	$1.76M	$1.50M	$2.39M

DGT vs. CGW - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
DGT State Street SPDR Global Dow ETF	14.11%	30.04%	14.15%	20.95%	-8.00%	21.50%	9.67%	22.19%	-9.65%	24.87%
CGW Invesco S&P Global Water Index ETF	3.58%	18.10%	4.55%	15.50%	-22.00%	31.70%	15.41%	34.04%	-10.47%	27.08%

Correlation

The correlation between DGT and CGW is 0.71, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.71
Correlation (3Y) Balances recent behavior with more history.	0.75
Correlation (5Y) Shows whether the relationship held over a longer period.	0.77
Correlation (10Y) Provides a long-term view across more market conditions.	0.75
Correlation (All Time) Calculated using the full available price history since May 14, 2007	0.76

The correlation between DGT and CGW has been stable across timeframes, ranging from 0.71 to 0.77 - a consistent structural relationship.

DGT vs. CGW - Sectors Allocation Comparison

Sectors	DGT	CGW
Technology	16.7%	1.4%
Financial Services	15.2%	0.0%
Industrials	12.3%	45.5%
Healthcare	11.6%	-
Consumer Cyclical	7.3%	0.5%
Consumer Defensive	6.5%	-
Energy	5.2%	1.9%
Basic Materials	4.9%	6.0%
Communication Services	4.5%	-
Real Estate	1.5%	0.2%
Utilities	1.3%	44.6%

Return for Risk

DGT vs. CGW — Risk / Return Rank

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

DGT

DGT Risk / Return Rank: 90
DGT Sharpe Ratio Rank: 92
DGT Sortino Ratio Rank: 91
DGT Omega Ratio Rank: 92
DGT Calmar Ratio Rank: 87
DGT Martin Ratio Rank: 89

CGW

CGW Risk / Return Rank: 21
CGW Sharpe Ratio Rank: 22
CGW Sortino Ratio Rank: 21
CGW Omega Ratio Rank: 20
CGW Calmar Ratio Rank: 22
CGW Martin Ratio Rank: 21

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.

DGT vs. CGW - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for State Street SPDR Global Dow ETF (DGT) and Invesco S&P Global Water Index ETF (CGW). 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.

	DGT	CGW	Difference
Sharpe ratio: Return per unit of total volatility	2.43	0.47	+1.96
Sortino ratio: Return per unit of downside risk	3.34	0.75	+2.59
Omega ratio: Gain probability vs. loss probability	1.45	1.08	+0.36
Calmar ratio: Return relative to maximum drawdown	3.58	0.60	+2.98
Martin ratio: Return relative to average drawdown	14.34	1.33	+13.01

DGT vs. CGW - Sharpe Ratio Comparison

The current DGT Sharpe Ratio is 2.43, which is higher than the CGW Sharpe Ratio of 0.47. The chart below compares the historical Sharpe Ratios of DGT and CGW, 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

DGT vs. CGW - Drawdown Comparison

The maximum DGT drawdown since its inception was -55.36%, roughly equal to the maximum CGW drawdown of -57.24%. Use the drawdown chart below to compare losses from any high point for DGT and CGW.

Drawdown Indicators

	DGT	CGW	Difference
Max Drawdown Largest peak-to-trough decline	-55.36%	-57.24%	+1.88%
Max Drawdown (1Y) Largest decline over 1 year	-8.38%	-10.86%	+2.48%
Max Drawdown (3Y) Largest decline over 3 years	-14.67%	-14.19%	-0.48%
Max Drawdown (5Y) Largest decline over 5 years	-25.18%	-32.74%	+7.56%
Max Drawdown (10Y) Largest decline over 10 years	-34.40%	-35.72%	+1.32%
Current Drawdown Current decline from peak	0.00%	-5.21%	+5.21%
Average Drawdown Average peak-to-trough decline	-13.75%	-9.81%	-3.94%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.09%	4.85%	-2.76%

Volatility

DGT vs. CGW - Volatility Comparison

The current volatility for State Street SPDR Global Dow ETF (DGT) is 2.95%, while Invesco S&P Global Water Index ETF (CGW) has a volatility of 3.99%. This indicates that DGT experiences smaller price fluctuations and is considered to be less risky than CGW based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DGT	CGW	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.95%	3.99%	-1.04%
Volatility (6M) Calculated over the trailing 6-month period	10.33%	10.79%	-0.46%
Volatility (1Y) Calculated over the trailing 1-year period	12.39%	13.90%	-1.51%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.14%	16.87%	-1.73%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.79%	17.62%	-0.83%

DGT vs. CGW - Expense Ratio Comparison

DGT has a 0.50% expense ratio, which is lower than CGW's 0.57% expense ratio.

Dividends

DGT vs. CGW - Dividend Comparison

DGT's dividend yield for the trailing twelve months is around 2.46%, more than CGW's 1.53% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CGW Invesco S&P Global Water Index ETF	1.53%	1.58%	2.27%	1.55%	1.45%	1.59%	1.41%	1.48%	2.14%	1.71%	1.65%	1.67%
DGT State Street SPDR Global Dow ETF	2.46%	2.78%	2.83%	2.53%	3.15%	2.66%	1.97%	2.76%	2.50%	1.93%	2.31%	2.37%

Frequently Asked Questions

Can I hold both DGT and CGW in my portfolio?

DGT and CGW have a correlation of 0.71, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, DGT or CGW?

CGW has higher volatility (3.99%) compared to DGT (2.95%). In terms of maximum drawdown, DGT dropped -55.36% vs CGW's -57.24%.

Which ETF is better, DGT or CGW?

On 10-year performance, DGT leads with 13.82% vs 9.92% for CGW. On fees, DGT is cheaper at 0.50% per year. On volatility, DGT has been the lower-risk option at 2.95%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, DGT or CGW?

Over the 10-year period, DGT has performed better with a 13.82% return vs 9.92%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, DGT or CGW?

DGT is cheaper with a 0.50% expense ratio, compared with 0.57% for CGW.

Which ETF pays a higher dividend yield, DGT or CGW?

DGT has the higher dividend yield at 2.46%, compared with 1.53% for CGW.

What is the main difference between DGT and CGW?

DGT is categorized as Global Equities, while CGW is Water Equities. DGT tracks The Global Dow, while CGW tracks S&P Global Water Index. They also come from different issuers: State Street and Invesco. Their fees differ too: 0.50% for DGT and 0.57% for CGW.

Which has better risk-adjusted returns?

DGT currently has the higher Sharpe Ratio (2.43 vs 0.47), 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.