0855.HK vs. TEF.MC

Last updated Jun 23, 2026

0855.HK (China Water Affairs Group Ltd) and TEF.MC (Telefonica) are both stocks. 0855.HK operates in Utilities - Regulated Water (Utilities), while TEF.MC operates in Telecom Services (Communication Services). Over the past 10 years, 0855.HK returned 5.05%/yr vs -1.14%/yr for TEF.MC. At a 0.06 correlation, their price movements are largely independent.

Performance

0855.HK vs. TEF.MC - Performance Comparison

The chart below illustrates the hypothetical performance of a HK$10,000 investment in China Water Affairs Group Ltd (0855.HK) and Telefonica (TEF.MC). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

0855.HK is traded in HKD, while TEF.MC is traded in EUR. To make them comparable, the TEF.MC values have been converted to HKD using the latest available exchange rates.

Returns By Period

In the year-to-date period, 0855.HK achieves a -14.62% return, which is significantly lower than TEF.MC's 5.13% return. Over the past 10 years, 0855.HK has outperformed TEF.MC with an annualized return of 5.05%, while TEF.MC has yielded a comparatively lower -1.14% annualized return.

0855.HK

• 1D: -2.26%
• 1M: -7.30%
• YTD: -14.62%
• 6M: -15.27%
• 1Y: -25.95%
• 3Y*: -2.77%
• 5Y*: -0.95%
• 10Y*: 5.05%

TEF.MC

• 1D: -2.76%
• 1M: -9.34%
• YTD: 5.13%
• 6M: 7.17%
• 1Y: -14.78%
• 3Y*: 8.36%
• 5Y*: 4.38%
• 10Y*: -1.14%

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

0855.HK vs. TEF.MC - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
0855.HK China Water Affairs Group Ltd	-14.62%	7.38%	27.04%	-29.66%	-40.78%	91.69%	9.18%	-26.88%	22.33%	44.17%
TEF.MC Telefonica	5.13%	8.45%	10.43%	14.36%	-11.56%	18.59%	-39.06%	-13.30%	-10.02%	9.83%

Correlation

The correlation between 0855.HK and TEF.MC is 0.10, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.10
Correlation (3Y) Calculated over the trailing 3-year period	0.05
Correlation (5Y) Calculated over the trailing 5-year period	0.03
Correlation (10Y) Calculated over the trailing 10-year period	0.07
Correlation (All Time) Calculated using the full available price history since Jul 26, 2007	0.06

Return for Risk

0855.HK vs. TEF.MC — Risk / Return Rank

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

0855.HK

0855.HK Risk / Return Rank: 7
0855.HK Sharpe Ratio Rank: 5
0855.HK Sortino Ratio Rank: 7
0855.HK Omega Ratio Rank: 9
0855.HK Calmar Ratio Rank: 10
0855.HK Martin Ratio Rank: 4

TEF.MC

TEF.MC Risk / Return Rank: 21
TEF.MC Sharpe Ratio Rank: 18
TEF.MC Sortino Ratio Rank: 18
TEF.MC Omega Ratio Rank: 17
TEF.MC Calmar Ratio Rank: 27
TEF.MC Martin Ratio Rank: 27

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.

0855.HK vs. TEF.MC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for China Water Affairs Group Ltd (0855.HK) and Telefonica (TEF.MC). 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.

	0855.HK	TEF.MC	Difference
Sharpe ratio: Return per unit of total volatility	-1.03	-0.55	-0.48
Sortino ratio: Return per unit of downside risk	-1.37	-0.58	-0.80
Omega ratio: Gain probability vs. loss probability	0.84	0.92	-0.08
Calmar ratio: Return relative to maximum drawdown	-0.83	-0.47	-0.35
Martin ratio: Return relative to average drawdown	-1.63	-0.81	-0.82

0855.HK vs. TEF.MC - Sharpe Ratio Comparison

The current 0855.HK Sharpe Ratio is -1.03, which is lower than the TEF.MC Sharpe Ratio of -0.55. The chart below compares the historical Sharpe Ratios of 0855.HK and TEF.MC, 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

0855.HK vs. TEF.MC - Drawdown Comparison

The maximum 0855.HK drawdown since its inception was -88.76%, which is greater than TEF.MC's maximum drawdown of -78.44%. Use the drawdown chart below to compare losses from any high point for 0855.HK and TEF.MC.

Drawdown Indicators

	0855.HK	TEF.MC	Difference
Max Drawdown Largest peak-to-trough decline	-88.76%	-78.44%	-10.32%
Max Drawdown (1Y) Largest decline over 1 year	-32.13%	-30.79%	-1.34%
Max Drawdown (3Y) Largest decline over 3 years	-41.93%	-30.79%	-11.14%
Max Drawdown (5Y) Largest decline over 5 years	-64.13%	-39.59%	-24.54%
Max Drawdown (10Y) Largest decline over 10 years	-64.13%	-67.66%	+3.53%
Current Drawdown Current decline from peak	-52.59%	-58.80%	+6.21%
Average Drawdown Average peak-to-trough decline	-38.22%	-41.91%	+3.69%
Ulcer Index Depth and duration of drawdowns from previous peaks	16.08%	18.09%	-2.01%

Volatility

0855.HK vs. TEF.MC - Volatility Comparison

China Water Affairs Group Ltd (0855.HK) has a higher volatility of 6.75% compared to Telefonica (TEF.MC) at 4.48%. This indicates that 0855.HK's price experiences larger fluctuations and is considered to be riskier than TEF.MC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	0855.HK	TEF.MC	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.75%	4.48%	+2.27%
Volatility (6M) Calculated over the trailing 6-month period	17.35%	18.95%	-1.60%
Volatility (1Y) Calculated over the trailing 1-year period	25.93%	26.76%	-0.83%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	37.28%	23.05%	+14.23%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	34.33%	26.53%	+7.80%

Dividends

0855.HK vs. TEF.MC - Dividend Comparison

0855.HK's dividend yield for the trailing twelve months is around 6.48%, less than TEF.MC's 8.33% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
0855.HK China Water Affairs Group Ltd	6.48%	5.38%	5.48%	7.93%	2.79%	2.86%	5.12%	5.15%	3.22%	2.55%	1.78%	1.88%
TEF.MC Telefonica	8.33%	8.60%	6.17%	6.88%	7.12%	7.28%	9.65%	5.20%	4.41%	3.99%	9.14%	5.91%

Financials

Frequently Asked Questions

Can I hold both 0855.HK and TEF.MC in my portfolio?

0855.HK and TEF.MC have a correlation of 0.10, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.