0388.HK vs. BYDDY

Last updated Jun 13, 2026

0388.HK (Hong Kong Exchange and Clearing Ltd) and BYDDY (BYD Company Limited ADR) are both stocks. 0388.HK operates in Financial Data & Stock Exchanges (Financial Services), while BYDDY operates in Auto Manufacturers (Consumer Cyclical). Over the past 10 years, 0388.HK returned 10.38%/yr vs 20.56%/yr for BYDDY. At a 0.32 correlation, their price movements are largely independent.

Performance

0388.HK vs. BYDDY - Performance Comparison

The chart below illustrates the hypothetical performance of a HK$10,000 investment in Hong Kong Exchange and Clearing Ltd (0388.HK) and BYD Company Limited ADR (BYDDY). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

0388.HK is traded in HKD, while BYDDY is traded in USD. To make them comparable, the BYDDY values have been converted to HKD using the latest available exchange rates.

Returns By Period

In the year-to-date period, 0388.HK achieves a -5.14% return, which is significantly higher than BYDDY's -7.87% return. Over the past 10 years, 0388.HK has underperformed BYDDY with an annualized return of 10.38%, while BYDDY has yielded a comparatively higher 20.56% annualized return.

0388.HK

• 1D: 1.76%
• 1M: -8.60%
• YTD: -5.14%
• 6M: -3.77%
• 1Y: -5.26%
• 3Y*: 10.42%
• 5Y*: -1.40%
• 10Y*: 10.38%

BYDDY

• 1D: 0.65%
• 1M: -12.01%
• YTD: -7.87%
• 6M: -9.74%
• 1Y: -34.45%
• 3Y*: 1.05%
• 5Y*: 4.56%
• 10Y*: 20.56%

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

0388.HK vs. BYDDY - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
0388.HK Hong Kong Exchange and Clearing Ltd	-5.14%	42.10%	13.85%	-18.41%	-24.22%	9.26%	71.64%	14.65%	-2.86%	33.92%
BYDDY BYD Company Limited ADR	-7.87%	8.18%	24.16%	13.04%	-27.04%	28.72%	430.56%	-21.46%	-27.55%	70.39%

Correlation

The correlation between 0388.HK and BYDDY is 0.21, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.21
Correlation (3Y) Calculated over the trailing 3-year period	0.39
Correlation (5Y) Calculated over the trailing 5-year period	0.35
Correlation (10Y) Calculated over the trailing 10-year period	0.35
Correlation (All Time) Calculated using the full available price history since Oct 27, 2008	0.32

The correlation between 0388.HK and BYDDY shifts across timeframes, from 0.21 (1 year) to 0.39 (3 years), reflecting how their relationship changes across market environments.

Return for Risk

0388.HK vs. BYDDY — Risk / Return Rank

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

0388.HK

0388.HK Risk / Return Rank: 31
0388.HK Sharpe Ratio Rank: 34
0388.HK Sortino Ratio Rank: 28
0388.HK Omega Ratio Rank: 29
0388.HK Calmar Ratio Rank: 34
0388.HK Martin Ratio Rank: 32

BYDDY

BYDDY Risk / Return Rank: 5
BYDDY Sharpe Ratio Rank: 6
BYDDY Sortino Ratio Rank: 7
BYDDY Omega Ratio Rank: 9
BYDDY Calmar Ratio Rank: 0
BYDDY Martin Ratio Rank: 5

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.

0388.HK vs. BYDDY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Hong Kong Exchange and Clearing Ltd (0388.HK) and BYD Company Limited ADR (BYDDY). 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.

	0388.HK	BYDDY	Difference
Sharpe ratio: Return per unit of total volatility	-0.22	-0.99	+0.77
Sortino ratio: Return per unit of downside risk	-0.16	-1.46	+1.30
Omega ratio: Gain probability vs. loss probability	0.98	0.84	+0.14
Calmar ratio: Return relative to maximum drawdown	-0.28	-1.03	+0.74
Martin ratio: Return relative to average drawdown	-0.61	-1.57	+0.96

0388.HK vs. BYDDY - Sharpe Ratio Comparison

The current 0388.HK Sharpe Ratio is -0.22, which is higher than the BYDDY Sharpe Ratio of -0.99. The chart below compares the historical Sharpe Ratios of 0388.HK and BYDDY, 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

0388.HK vs. BYDDY - Drawdown Comparison

The maximum 0388.HK drawdown since its inception was -79.34%, smaller than the maximum BYDDY drawdown of -97.37%. Use the drawdown chart below to compare losses from any high point for 0388.HK and BYDDY.

Drawdown Indicators

	0388.HK	BYDDY	Difference
Max Drawdown Largest peak-to-trough decline	-79.34%	-97.37%	+18.03%
Max Drawdown (1Y) Largest decline over 1 year	-17.04%	-35.32%	+18.28%
Max Drawdown (3Y) Largest decline over 3 years	-32.06%	-43.64%	+11.58%
Max Drawdown (5Y) Largest decline over 5 years	-60.01%	-48.39%	-11.62%
Max Drawdown (10Y) Largest decline over 10 years	-61.53%	-58.45%	-3.08%
Current Drawdown Current decline from peak	-22.29%	-43.23%	+20.94%
Average Drawdown Average peak-to-trough decline	-30.25%	-63.60%	+33.35%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.87%	24.56%	-16.69%

Volatility

0388.HK vs. BYDDY - Volatility Comparison

The current volatility for Hong Kong Exchange and Clearing Ltd (0388.HK) is 5.89%, while BYD Company Limited ADR (BYDDY) has a volatility of 8.69%. This indicates that 0388.HK experiences smaller price fluctuations and is considered to be less risky than BYDDY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	0388.HK	BYDDY	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.89%	8.69%	-2.80%
Volatility (6M) Calculated over the trailing 6-month period	15.04%	28.43%	-13.39%
Volatility (1Y) Calculated over the trailing 1-year period	22.50%	37.04%	-14.54%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	34.15%	45.73%	-11.58%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	30.53%	47.18%	-16.65%

Dividends

0388.HK vs. BYDDY - Dividend Comparison

0388.HK's dividend yield for the trailing twelve months is around 3.29%, more than BYDDY's 0.48% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
0388.HK Hong Kong Exchange and Clearing Ltd	3.29%	2.67%	2.81%	3.06%	2.26%	2.01%	1.58%	2.68%	2.86%	1.91%	2.77%	2.63%
BYDDY BYD Company Limited ADR	0.48%	1.45%	1.26%	0.60%	0.07%	0.07%	0.03%	0.47%	0.28%	0.52%	1.92%	0.00%

Financials

Frequently Asked Questions

Can I hold both 0388.HK and BYDDY in my portfolio?

0388.HK and BYDDY have a correlation of 0.21, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.