2018.HK vs. 9988.HK

Last updated Apr 4, 2026

Compare and contrast key facts about AAC Technologies Holdings Inc (2018.HK) and Alibaba Group Holding Ltd (9988.HK).

Performance

2018.HK vs. 9988.HK - Performance Comparison

The chart below illustrates the hypothetical performance of a HK$10,000 investment in AAC Technologies Holdings Inc (2018.HK) and Alibaba Group Holding Ltd (9988.HK). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, 2018.HK achieves a -13.13% return, which is significantly higher than 9988.HK's -17.02% return.

2018.HK

• 1D: -1.80%
• 1M: 5.15%
• YTD: -13.13%
• 6M: -26.54%
• 1Y: -17.54%
• 3Y*: 21.64%
• 5Y*: -2.51%
• 10Y*: -4.20%

9988.HK

• 1D: -3.42%
• 1M: -6.18%
• YTD: -17.02%
• 6M: -35.98%
• 1Y: -3.21%
• 3Y*: 7.60%
• 5Y*: -11.46%
• 10Y*: —

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

2018.HK vs. 9988.HK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
2018.HK AAC Technologies Holdings Inc	-13.13%	4.66%	62.30%	30.99%	-42.08%	-27.98%	-36.41%	26.75%
9988.HK Alibaba Group Holding Ltd	-17.02%	73.87%	11.01%	-11.14%	-27.46%	-48.79%	12.07%	10.45%

Correlation

The correlation between 2018.HK and 9988.HK is 0.45, which is low. Their price movements are largely independent, making them effective diversification partners. Combining low-correlation assets is one of the most reliable ways to reduce portfolio risk without sacrificing expected returns.

Return for Risk

2018.HK vs. 9988.HK — Risk / Return Rank

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

2018.HK

2018.HK Risk / Return Rank: 15
2018.HK Sharpe Ratio Rank: 16
2018.HK Sortino Ratio Rank: 18
2018.HK Omega Ratio Rank: 18
2018.HK Calmar Ratio Rank: 12
2018.HK Martin Ratio Rank: 13

9988.HK

9988.HK Risk / Return Rank: 32
9988.HK Sharpe Ratio Rank: 32
9988.HK Sortino Ratio Rank: 31
9988.HK Omega Ratio Rank: 31
9988.HK Calmar Ratio Rank: 33
9988.HK Martin Ratio Rank: 32

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.

2018.HK vs. 9988.HK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AAC Technologies Holdings Inc (2018.HK) and Alibaba Group Holding Ltd (9988.HK). 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.

	2018.HK	9988.HK	Difference
Sharpe ratio Return per unit of total volatility	-0.56	-0.17	-0.39
Sortino ratio Return per unit of downside risk	-0.52	0.11	-0.63
Omega ratio Gain probability vs. loss probability	0.93	1.01	-0.08
Calmar ratio Return relative to maximum drawdown	-0.77	-0.18	-0.60
Martin ratio Return relative to average drawdown	-1.29	-0.41	-0.88
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

2018.HK vs. 9988.HK - Sharpe Ratio Comparison

The current 2018.HK Sharpe Ratio is -0.56, which is lower than the 9988.HK Sharpe Ratio of -0.17. The chart below compares the historical Sharpe Ratios of 2018.HK and 9988.HK, 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

	2018.HK	9988.HK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.56	-0.17	-0.39
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.05	-0.23	+0.18
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.09	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.28	-0.13	+0.42

Drawdowns

2018.HK vs. 9988.HK - Drawdown Comparison

The maximum 2018.HK drawdown since its inception was -93.37%, which is greater than 9988.HK's maximum drawdown of -80.01%. Use the drawdown chart below to compare losses from any high point for 2018.HK and 9988.HK.

Drawdown Indicators

	2018.HK	9988.HK	Difference
Max Drawdown Largest peak-to-trough decline	-93.37%	-80.01%	-13.36%
Max Drawdown (1Y) Largest decline over 1 year	-36.44%	-35.98%	-0.46%
Max Drawdown (5Y) Largest decline over 5 years	-80.98%	-74.16%	-6.82%
Max Drawdown (10Y) Largest decline over 10 years	-93.37%	—	—
Current Drawdown Current decline from peak	-79.48%	-60.07%	-19.41%
Average Drawdown Average peak-to-trough decline	-39.94%	-51.85%	+11.91%
Ulcer Index Depth and duration of drawdowns from previous peaks	21.89%	15.74%	+6.15%

Volatility

2018.HK vs. 9988.HK - Volatility Comparison

AAC Technologies Holdings Inc (2018.HK) and Alibaba Group Holding Ltd (9988.HK) have volatilities of 13.88% and 14.04%, 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

	2018.HK	9988.HK	Difference
Volatility (1M) Calculated over the trailing 1-month period	13.88%	14.04%	-0.16%
Volatility (6M) Calculated over the trailing 6-month period	27.32%	29.88%	-2.56%
Volatility (1Y) Calculated over the trailing 1-year period	51.51%	49.24%	+2.27%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	49.49%	51.63%	-2.14%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	47.99%	49.42%	-1.43%

Dividends

2018.HK vs. 9988.HK - Dividend Comparison

2018.HK's dividend yield for the trailing twelve months is around 0.71%, less than 9988.HK's 0.87% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
2018.HK AAC Technologies Holdings Inc	0.71%	0.62%	0.27%	0.52%	0.00%	1.30%	0.23%	2.10%	4.62%	1.13%	1.77%	1.90%
9988.HK Alibaba Group Holding Ltd	0.87%	0.72%	1.18%	1.29%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Financials