CWW.TO vs. PPA

Last updated Jun 4, 2026

CWW.TO (iShares Global Water Index ETF) and PPA (Invesco Aerospace & Defense ETF) are both exchange-traded funds - CWW.TO is a Water Equities fund tracking the Morningstar Gbl GR CAD, while PPA is a Aerospace & Defense fund tracking the SPADE Defense Index. Both are passively managed. Over the past 10 years, CWW.TO returned 8.42%/yr vs 18.23%/yr for PPA. At a 0.50 correlation, their price movements are largely independent. CWW.TO charges 0.66%/yr vs 0.58%/yr for PPA.

Performance

CWW.TO vs. PPA - Performance Comparison

The chart below illustrates the hypothetical performance of a CA$10,000 investment in iShares Global Water Index ETF (CWW.TO) and Invesco Aerospace & Defense ETF (PPA). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

CWW.TO is traded in CAD, while PPA is traded in USD. To make them comparable, the PPA values have been converted to CAD using the latest available exchange rates.

Returns By Period

In the year-to-date period, CWW.TO achieves a 0.67% return, which is significantly lower than PPA's 9.92% return. Over the past 10 years, CWW.TO has underperformed PPA with an annualized return of 8.42%, while PPA has yielded a comparatively higher 18.23% annualized return.

CWW.TO

• 1D: 0.76%
• 1M: -0.37%
• YTD: 0.67%
• 6M: -4.32%
• 1Y: 3.23%
• 3Y*: 6.26%
• 5Y*: 4.32%
• 10Y*: 8.42%

PPA

• 1D: -1.34%
• 1M: 5.25%
• YTD: 9.92%
• 6M: 13.02%
• 1Y: 28.20%
• 3Y*: 30.42%
• 5Y*: 21.19%
• 10Y*: 18.23%

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

CWW.TO vs. PPA - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CWW.TO iShares Global Water Index ETF	0.67%	10.11%	2.99%	11.71%	-16.52%	27.08%	12.93%	26.85%	-2.69%	17.91%
PPA Invesco Aerospace & Defense ETF	9.92%	30.86%	36.05%	15.80%	17.33%	6.12%	-1.24%	32.76%	0.33%	21.82%

Correlation

The correlation between CWW.TO and PPA is 0.34, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.34
Correlation (3Y) Calculated over the trailing 3-year period	0.43
Correlation (5Y) Calculated over the trailing 5-year period	0.46
Correlation (10Y) Calculated over the trailing 10-year period	0.53
Correlation (All Time) Calculated using the full available price history since Jun 23, 2009	0.50

The correlation between CWW.TO and PPA shifts across timeframes, from 0.34 (1 year) to 0.53 (10 years), reflecting how their relationship changes across market environments.

CWW.TO vs. PPA - Sectors Allocation Comparison

Sectors	CWW.TO	PPA
Utilities	46.7%	-
Industrials	44.2%	90.1%
Basic Materials	5.8%	-
Energy	1.6%	-
Technology	1.1%	9.8%
Consumer Cyclical	0.5%	-
Real Estate	0.2%	-
Communication Services	-	0.1%
Consumer Defensive	-	-
Financial Services	-	-
Healthcare	-	-

Return for Risk

CWW.TO vs. PPA — Risk / Return Rank

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

CWW.TO

CWW.TO Risk / Return Rank: 12
CWW.TO Sharpe Ratio Rank: 12
CWW.TO Sortino Ratio Rank: 12
CWW.TO Omega Ratio Rank: 11
CWW.TO Calmar Ratio Rank: 13
CWW.TO Martin Ratio Rank: 13

PPA

PPA Risk / Return Rank: 37
PPA Sharpe Ratio Rank: 38
PPA Sortino Ratio Rank: 39
PPA Omega Ratio Rank: 35
PPA Calmar Ratio Rank: 38
PPA Martin Ratio Rank: 36

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.

CWW.TO vs. PPA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Global Water Index ETF (CWW.TO) and Invesco Aerospace & Defense ETF (PPA). 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.

	CWW.TO	PPA	Difference
Sharpe ratio: Return per unit of total volatility	0.23	1.51	-1.28
Sortino ratio: Return per unit of downside risk	0.44	2.22	-1.78
Omega ratio: Gain probability vs. loss probability	1.05	1.26	-0.21
Calmar ratio: Return relative to maximum drawdown	0.32	2.34	-2.02
Martin ratio: Return relative to average drawdown	0.79	6.03	-5.24
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CWW.TO vs. PPA - Sharpe Ratio Comparison

The current CWW.TO Sharpe Ratio is 0.23, which is lower than the PPA Sharpe Ratio of 1.51. The chart below compares the historical Sharpe Ratios of CWW.TO and PPA, 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

	CWW.TO	PPA	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.23	1.51	-1.28
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.28	1.27	-0.98
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.51	0.96	-0.45
Sharpe Ratio (All Time) Calculated using the full available price history	0.38	1.05	-0.67

Drawdowns

CWW.TO vs. PPA - Drawdown Comparison

The maximum CWW.TO drawdown since its inception was -46.54%, which is greater than PPA's maximum drawdown of -38.66%. Use the drawdown chart below to compare losses from any high point for CWW.TO and PPA.

Drawdown Indicators

	CWW.TO	PPA	Difference
Max Drawdown Largest peak-to-trough decline	-46.54%	-38.66%	-7.88%
Max Drawdown (1Y) Largest decline over 1 year	-10.24%	-12.13%	+1.89%
Max Drawdown (3Y) Largest decline over 3 years	-19.77%	-15.56%	-4.21%
Max Drawdown (5Y) Largest decline over 5 years	-31.05%	-15.56%	-15.49%
Max Drawdown (10Y) Largest decline over 10 years	-31.05%	-38.66%	+7.61%
Current Drawdown Current decline from peak	-8.12%	-6.90%	-1.22%
Average Drawdown Average peak-to-trough decline	-9.47%	-4.38%	-5.09%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.11%	4.69%	-0.58%

Volatility

CWW.TO vs. PPA - Volatility Comparison

The current volatility for iShares Global Water Index ETF (CWW.TO) is 4.23%, while Invesco Aerospace & Defense ETF (PPA) has a volatility of 6.63%. This indicates that CWW.TO experiences smaller price fluctuations and is considered to be less risky than PPA based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CWW.TO	PPA	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.23%	6.63%	-2.40%
Volatility (6M) Calculated over the trailing 6-month period	10.85%	15.64%	-4.79%
Volatility (1Y) Calculated over the trailing 1-year period	13.83%	18.79%	-4.96%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.40%	16.84%	-1.44%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.52%	19.02%	-2.50%

CWW.TO vs. PPA - Expense Ratio Comparison

CWW.TO has a 0.66% expense ratio, which is higher than PPA's 0.58% expense ratio.

Dividends

CWW.TO vs. PPA - Dividend Comparison

CWW.TO's dividend yield for the trailing twelve months is around 1.56%, more than PPA's 0.39% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CWW.TO iShares Global Water Index ETF	1.56%	1.34%	1.05%	1.17%	1.28%	2.62%	1.11%	1.24%	2.95%	1.41%	1.60%	1.16%
PPA Invesco Aerospace & Defense ETF	0.39%	0.42%	0.61%	0.67%	0.83%	0.59%	0.88%	0.95%	0.90%	0.67%	1.70%	1.41%

Frequently Asked Questions

Can I hold both CWW.TO and PPA in my portfolio?

CWW.TO and PPA have a correlation of 0.34, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, CWW.TO or PPA?

On fees, PPA is cheaper at 0.58% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, CWW.TO or PPA?

PPA is cheaper with a 0.58% expense ratio, compared with 0.66% for CWW.TO.

What is the main difference between CWW.TO and PPA?

CWW.TO is categorized as Water Equities, while PPA is Aerospace & Defense. CWW.TO tracks Morningstar Gbl GR CAD, while PPA tracks SPADE Defense Index. They also come from different issuers: iShares and Invesco. Their fees differ too: 0.66% for CWW.TO and 0.58% for PPA.