0728.HK vs. MRK

Last updated Jun 13, 2026

0728.HK (China Telecom) and MRK (Merck & Co., Inc.) are both stocks. 0728.HK operates in Telecom Services (Communication Services), while MRK operates in Drug Manufacturers - General (Healthcare). Over the past 10 years, 0728.HK returned 9.02%/yr vs 11.69%/yr for MRK. At a 0.02 correlation, their price movements are largely independent.

Performance

0728.HK vs. MRK - Performance Comparison

The chart below illustrates the hypothetical performance of a HK$10,000 investment in China Telecom (0728.HK) and Merck & Co., Inc. (MRK). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

0728.HK is traded in HKD, while MRK is traded in USD. To make them comparable, the MRK values have been converted to HKD using the latest available exchange rates.

Returns By Period

In the year-to-date period, 0728.HK achieves a -7.06% return, which is significantly lower than MRK's 14.70% return. Over the past 10 years, 0728.HK has underperformed MRK with an annualized return of 9.02%, while MRK has yielded a comparatively higher 11.69% annualized return.

0728.HK

• 1D: -2.00%
• 1M: -9.09%
• YTD: -7.06%
• 6M: -11.34%
• 1Y: -9.67%
• 3Y*: 13.49%
• 5Y*: 22.31%
• 10Y*: 9.02%

MRK

• 1D: -1.43%
• 1M: 5.01%
• YTD: 14.70%
• 6M: 21.39%
• 1Y: 50.51%
• 3Y*: 5.87%
• 5Y*: 13.02%
• 10Y*: 11.69%

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

0728.HK vs. MRK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
0728.HK China Telecom	-7.06%	16.32%	38.46%	29.65%	32.90%	26.60%	-29.60%	-17.12%	10.99%	6.79%
MRK Merck & Co., Inc.	14.70%	10.00%	-6.74%	1.00%	49.67%	2.31%	-7.62%	21.63%	40.26%	-0.73%

Correlation

The correlation between 0728.HK and MRK is -0.03, 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	-0.03
Correlation (3Y) Calculated over the trailing 3-year period	-0.03
Correlation (5Y) Calculated over the trailing 5-year period	-0.03
Correlation (10Y) Calculated over the trailing 10-year period	0.01
Correlation (All Time) Calculated using the full available price history since Jul 16, 2007	0.02

Return for Risk

0728.HK vs. MRK — Risk / Return Rank

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

0728.HK

0728.HK Risk / Return Rank: 24
0728.HK Sharpe Ratio Rank: 22
0728.HK Sortino Ratio Rank: 19
0728.HK Omega Ratio Rank: 21
0728.HK Calmar Ratio Rank: 28
0728.HK Martin Ratio Rank: 28

MRK

MRK Risk / Return Rank: 88
MRK Sharpe Ratio Rank: 88
MRK Sortino Ratio Rank: 88
MRK Omega Ratio Rank: 85
MRK Calmar Ratio Rank: 91
MRK Martin Ratio Rank: 90

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.

0728.HK vs. MRK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for China Telecom (0728.HK) and Merck & Co., Inc. (MRK). 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.

	0728.HK	MRK	Difference
Sharpe ratio: Return per unit of total volatility	-0.47	1.87	-2.34
Sortino ratio: Return per unit of downside risk	-0.58	2.78	-3.36
Omega ratio: Gain probability vs. loss probability	0.94	1.33	-0.39
Calmar ratio: Return relative to maximum drawdown	-0.43	4.46	-4.89
Martin ratio: Return relative to average drawdown	-0.76	11.06	-11.82

0728.HK vs. MRK - Sharpe Ratio Comparison

The current 0728.HK Sharpe Ratio is -0.47, which is lower than the MRK Sharpe Ratio of 1.87. The chart below compares the historical Sharpe Ratios of 0728.HK and MRK, 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

0728.HK vs. MRK - Drawdown Comparison

The maximum 0728.HK drawdown since its inception was -71.89%, which is greater than MRK's maximum drawdown of -63.49%. Use the drawdown chart below to compare losses from any high point for 0728.HK and MRK.

Drawdown Indicators

	0728.HK	MRK	Difference
Max Drawdown Largest peak-to-trough decline	-71.89%	-63.49%	-8.40%
Max Drawdown (1Y) Largest decline over 1 year	-22.83%	-11.37%	-11.46%
Max Drawdown (3Y) Largest decline over 3 years	-25.24%	-43.45%	+18.21%
Max Drawdown (5Y) Largest decline over 5 years	-25.24%	-43.45%	+18.21%
Max Drawdown (10Y) Largest decline over 10 years	-52.40%	-43.45%	-8.95%
Current Drawdown Current decline from peak	-21.66%	-4.70%	-16.96%
Average Drawdown Average peak-to-trough decline	-31.50%	-15.37%	-16.13%
Ulcer Index Depth and duration of drawdowns from previous peaks	12.67%	4.58%	+8.09%

Volatility

0728.HK vs. MRK - Volatility Comparison

China Telecom (0728.HK) and Merck & Co., Inc. (MRK) have volatilities of 9.23% and 9.55%, 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

	0728.HK	MRK	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.23%	9.55%	-0.32%
Volatility (6M) Calculated over the trailing 6-month period	17.00%	18.07%	-1.07%
Volatility (1Y) Calculated over the trailing 1-year period	20.83%	27.21%	-6.38%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	27.03%	23.68%	+3.35%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.44%	22.95%	+4.49%

Dividends

0728.HK vs. MRK - Dividend Comparison

0728.HK's dividend yield for the trailing twelve months is around 6.17%, more than MRK's 2.79% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
0728.HK China Telecom	6.17%	5.56%	5.77%	6.46%	10.97%	4.81%	5.81%	3.89%	2.88%	2.82%	2.65%	2.61%
MRK Merck & Co., Inc.	2.79%	3.12%	3.14%	2.72%	2.52%	3.41%	3.03%	2.48%	2.60%	3.36%	3.14%	3.43%

Financials

Frequently Asked Questions

Can I hold both 0728.HK and MRK in my portfolio?

0728.HK and MRK have a correlation of -0.03, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.