PortfoliosLab logoPortfoliosLab logo

Documentation

Upgrade your plan
CWW.TO vs. VOO
Performance
Return for Risk
Drawdowns
Volatility
Dividends

CWW.TO vs. VOO

Last updated Jun 4, 2026

CWW.TO (iShares Global Water Index ETF) and VOO (Vanguard S&P 500 ETF) are both exchange-traded funds - CWW.TO is a Water Equities fund tracking the Morningstar Gbl GR CAD, while VOO is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 10 years, CWW.TO returned 8.42%/yr vs 16.44%/yr for VOO. A 0.58 correlation means they provide meaningful diversification when combined. CWW.TO charges 0.66%/yr vs 0.03%/yr for VOO.

Performance

CWW.TO vs. VOO - Performance Comparison

The chart below illustrates the hypothetical performance of a CA$10,000 investment in iShares Global Water Index ETF (CWW.TO) and Vanguard S&P 500 ETF (VOO). The values are adjusted to include any dividend payments, if applicable.

Loading charts...

Different Trading Currencies

CWW.TO is traded in CAD, while VOO is traded in USD. To make them comparable, the VOO 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 VOO's 12.66% return. Over the past 10 years, CWW.TO has underperformed VOO with an annualized return of 8.42%, while VOO has yielded a comparatively higher 16.44% 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%

VOO

1D
0.00%
1M
7.45%
YTD
12.66%
6M
10.84%
1Y
30.08%
3Y*
23.99%
5Y*
17.22%
10Y*
16.44%
*Multi-year figures are annualized to reflect compound growth (CAGR)

CWW.TO vs. VOO - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
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%
VOO
Vanguard S&P 500 ETF		12.32%12.42%35.71%23.54%-12.34%27.63%16.32%24.91%3.60%14.02%

Correlation

The correlation between CWW.TO and VOO is 0.45, which is low. Their price movements are largely independent, making them effective diversification partners.

Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

0.45

Correlation (3Y)
Calculated over the trailing 3-year period

0.46

Correlation (5Y)
Calculated over the trailing 5-year period

0.57

Correlation (10Y)
Calculated over the trailing 10-year period

0.59

Correlation (All Time)
Calculated using the full available price history since Sep 10, 2010

0.58

The correlation between CWW.TO and VOO shifts across timeframes, from 0.45 (1 year) to 0.59 (10 years), reflecting how their relationship changes across market environments.

CWW.TO vs. VOO - Sectors Allocation Comparison

Sectors
CWW.TO
VOO

Utilities

46.7%
2.4%

Industrials

44.2%
8.3%

Basic Materials

5.8%
1.8%

Energy

1.6%
3.5%

Technology

1.1%
35.7%

Consumer Cyclical

0.5%
10.2%

Real Estate

0.2%
1.9%

Communication Services

-

11.3%

Consumer Defensive

-

4.9%

Financial Services

-

11.6%

Healthcare

-

8.5%

Utilities

CWW.TO
46.7%
VOO
2.4%

Industrials

CWW.TO
44.2%
VOO
8.3%

Basic Materials

CWW.TO
5.8%
VOO
1.8%

Energy

CWW.TO
1.6%
VOO
3.5%

Technology

CWW.TO
1.1%
VOO
35.7%

Consumer Cyclical

CWW.TO
0.5%
VOO
10.2%

Real Estate

CWW.TO
0.2%
VOO
1.9%

Communication Services

CWW.TO

-

VOO
11.3%

Consumer Defensive

CWW.TO

-

VOO
4.9%

Financial Services

CWW.TO

-

VOO
11.6%

Healthcare

CWW.TO

-

VOO
8.5%

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

iShares Global Water Index ETF

Vanguard S&P 500 ETF

Often compared with CWW.TO:
CWW.TO vs. FIWCWW.TO vs. COW.TOCWW.TO vs. CIF.TOCWW.TO vs. KBWBCWW.TO vs. VFV.TOCWW.TO vs. XAW.TOCWW.TO vs. ENFR
Often compared with VOO:
VOO vs. VTIVOO vs. QQQVOO vs. SCHDVOO vs. VTVOO vs. SPYVOO vs. FXAIXVOO vs. IVV

Return for Risk

CWW.TO vs. VOO — 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: 1212
Overall Rank
CWW.TO Sharpe Ratio Rank: 1212
Sharpe Ratio Rank
CWW.TO Sortino Ratio Rank: 1212
Sortino Ratio Rank
CWW.TO Omega Ratio Rank: 1111
Omega Ratio Rank
CWW.TO Calmar Ratio Rank: 1313
Calmar Ratio Rank
CWW.TO Martin Ratio Rank: 1313
Martin Ratio Rank
VOO
VOO Risk / Return Rank: 7070
Overall Rank
VOO Sharpe Ratio Rank: 7171
Sharpe Ratio Rank
VOO Sortino Ratio Rank: 7070
Sortino Ratio Rank
VOO Omega Ratio Rank: 7070
Omega Ratio Rank
VOO Calmar Ratio Rank: 6262
Calmar Ratio Rank
VOO Martin Ratio Rank: 7575
Martin Ratio Rank
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. VOO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Global Water Index ETF (CWW.TO) and Vanguard S&P 500 ETF (VOO). 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.TOVOODifference
Sharpe ratioReturn per unit of total volatility
0.23
2.60

-2.36

Sortino ratioReturn per unit of downside risk
0.44
3.49

-3.05

Omega ratioGain probability vs. loss probability

1.05

1.50

-0.45

Calmar ratioReturn relative to maximum drawdown

0.32

3.51

-3.19

Martin ratioReturn relative to average drawdown

0.79

13.34

-12.56

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. VOO - Sharpe Ratio Comparison

The current CWW.TO Sharpe Ratio is 0.23, which is lower than the VOO Sharpe Ratio of 2.60. The chart below compares the historical Sharpe Ratios of CWW.TO and VOO, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Loading charts...

Sharpe Ratios by Period

CWW.TOVOODifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

0.23

2.60

-2.36

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.28

1.16

-0.88

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.51

1.01

-0.50

Sharpe Ratio (All Time)

Calculated using the full available price history

0.38

1.15

-0.77

Drawdowns

CWW.TO vs. VOO - Drawdown Comparison

The maximum CWW.TO drawdown since its inception was -46.54%, which is greater than VOO's maximum drawdown of -27.65%. Use the drawdown chart below to compare losses from any high point for CWW.TO and VOO.

Loading charts...

Drawdown Indicators

CWW.TOVOODifference

Max Drawdown

Largest peak-to-trough decline

-46.54%

-27.65%

-18.89%

Max Drawdown (1Y)

Largest decline over 1 year

-10.24%

-8.62%

-1.62%

Max Drawdown (3Y)

Largest decline over 3 years

-19.77%

-18.93%

-0.84%

Max Drawdown (5Y)

Largest decline over 5 years

-31.05%

-22.08%

-8.97%

Max Drawdown (10Y)

Largest decline over 10 years

-31.05%

-27.65%

-3.40%

Current Drawdown

Current decline from peak

-8.12%

0.00%

-8.12%

Average Drawdown

Average peak-to-trough decline

-9.47%

-3.24%

-6.23%

Ulcer Index

Depth and duration of drawdowns from previous peaks

4.11%

2.26%

+1.85%

Volatility

CWW.TO vs. VOO - Volatility Comparison

iShares Global Water Index ETF (CWW.TO) has a higher volatility of 4.23% compared to Vanguard S&P 500 ETF (VOO) at 2.60%. This indicates that CWW.TO's price experiences larger fluctuations and is considered to be riskier than VOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Loading charts...

Volatility by Period

CWW.TOVOODifference

Volatility (1M)

Calculated over the trailing 1-month period

4.23%

2.60%

+1.63%

Volatility (6M)

Calculated over the trailing 6-month period

10.85%

8.79%

+2.06%

Volatility (1Y)

Calculated over the trailing 1-year period

13.83%

11.64%

+2.19%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

15.40%

14.91%

+0.49%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

16.52%

16.28%

+0.24%

CWW.TO vs. VOO - Expense Ratio Comparison

CWW.TO has a 0.66% expense ratio, which is higher than VOO's 0.03% expense ratio.

Dividends

CWW.TO vs. VOO - Dividend Comparison

CWW.TO's dividend yield for the trailing twelve months is around 1.56%, more than VOO's 1.03% yield.

PositionTTM20252024202320222021202020192018201720162015
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%
VOO
Vanguard S&P 500 ETF		1.03%1.13%1.24%1.46%1.69%1.25%1.54%1.88%2.06%1.78%2.02%2.10%

Frequently Asked Questions

CWW.TO and VOO have a correlation of 0.45, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

On fees, VOO is cheaper at 0.03% per year. The better choice depends on whether you care most about return, fees, risk, or income.

VOO is cheaper with a 0.03% expense ratio, compared with 0.66% for CWW.TO.

CWW.TO is categorized as Water Equities, while VOO is S&P 500. CWW.TO tracks Morningstar Gbl GR CAD, while VOO tracks S&P 500 Index. They also come from different issuers: iShares and Vanguard. Their fees differ too: 0.66% for CWW.TO and 0.03% for VOO.

Portfolio Optimizer

Find the right allocation for CWW.TO and VOO

Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.

Open Portfolio Optimizer