3993.HK vs. 1258.HK

Last updated Jun 30, 2026

3993.HK (CMOC Group Ltd) and 1258.HK (China Nonferrous Mining Corp Ltd) are both stocks. Both are in the Basic Materials sector — 3993.HK in Other Industrial Metals & Mining, 1258.HK in Copper. Over the past 10 years, 3993.HK returned 27.55%/yr vs 33.40%/yr for 1258.HK. At a 0.39 correlation, their price movements are largely independent.

Performance

3993.HK vs. 1258.HK - Performance Comparison

The chart below illustrates the hypothetical performance of a HK$10,000 investment in CMOC Group Ltd (3993.HK) and China Nonferrous Mining Corp Ltd (1258.HK). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, 3993.HK achieves a -18.59% return, which is significantly higher than 1258.HK's -19.53% return. Over the past 10 years, 3993.HK has underperformed 1258.HK with an annualized return of 27.55%, while 1258.HK has yielded a comparatively higher 33.40% annualized return.

3993.HK

• 1D: 1.12%
• 1M: -15.67%
• YTD: -18.59%
• 6M: -15.19%
• 1Y: 96.29%
• 3Y*: 59.65%
• 5Y*: 30.40%
• 10Y*: 27.55%

1258.HK

• 1D: 3.31%
• 1M: -12.40%
• YTD: -19.53%
• 6M: -19.36%
• 1Y: 62.75%
• 3Y*: 51.46%
• 5Y*: 31.70%
• 10Y*: 33.40%

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

3993.HK vs. 1258.HK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
3993.HK CMOC Group Ltd	-18.59%	281.04%	25.95%	21.30%	-10.78%	-18.04%	54.47%	21.16%	-41.40%	170.01%
1258.HK China Nonferrous Mining Corp Ltd	-19.53%	194.48%	5.75%	35.92%	40.31%	45.08%	25.68%	-2.94%	-8.04%	55.71%

Correlation

The correlation between 3993.HK and 1258.HK is 0.76, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.76
Correlation (3Y) Calculated over the trailing 3-year period	0.72
Correlation (5Y) Calculated over the trailing 5-year period	0.65
Correlation (10Y) Calculated over the trailing 10-year period	0.49
Correlation (All Time) Calculated using the full available price history since Jun 29, 2012	0.39

Over the past year, 3993.HK and 1258.HK have become more correlated (0.76) than their long-term average of 0.39, meaning their price movements have been converging.

Return for Risk

3993.HK vs. 1258.HK — Risk / Return Rank

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

3993.HK

3993.HK Risk / Return Rank: 83
3993.HK Sharpe Ratio Rank: 87
3993.HK Sortino Ratio Rank: 82
3993.HK Omega Ratio Rank: 79
3993.HK Calmar Ratio Rank: 83
3993.HK Martin Ratio Rank: 82

1258.HK

1258.HK Risk / Return Rank: 71
1258.HK Sharpe Ratio Rank: 73
1258.HK Sortino Ratio Rank: 70
1258.HK Omega Ratio Rank: 68
1258.HK Calmar Ratio Rank: 72
1258.HK Martin Ratio Rank: 73

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.

3993.HK vs. 1258.HK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for CMOC Group Ltd (3993.HK) and China Nonferrous Mining Corp Ltd (1258.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.

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.

	3993.HK	1258.HK	Difference
Sharpe ratio: Return per unit of total volatility	1.71	0.97	+0.74
Sortino ratio: Return per unit of downside risk	2.30	1.60	+0.70
Omega ratio: Gain probability vs. loss probability	1.28	1.19	+0.08
Calmar ratio: Return relative to maximum drawdown	2.67	1.54	+1.13
Martin ratio: Return relative to average drawdown	6.62	3.62	+3.00

3993.HK vs. 1258.HK - Sharpe Ratio Comparison

The current 3993.HK Sharpe Ratio is 1.71, which is higher than the 1258.HK Sharpe Ratio of 0.97. The chart below compares the historical Sharpe Ratios of 3993.HK and 1258.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.

Drawdowns

3993.HK vs. 1258.HK - Drawdown Comparison

The maximum 3993.HK drawdown since its inception was -92.39%, which is greater than 1258.HK's maximum drawdown of -70.14%. Use the drawdown chart below to compare losses from any high point for 3993.HK and 1258.HK.

Drawdown Indicators

	3993.HK	1258.HK	Difference
Max Drawdown Largest peak-to-trough decline	-92.39%	-70.14%	-22.25%
Max Drawdown (1Y) Largest decline over 1 year	-37.49%	-42.02%	+4.53%
Max Drawdown (3Y) Largest decline over 3 years	-41.91%	-47.52%	+5.61%
Max Drawdown (5Y) Largest decline over 5 years	-62.23%	-47.52%	-14.71%
Max Drawdown (10Y) Largest decline over 10 years	-68.57%	-59.44%	-9.13%
Current Drawdown Current decline from peak	-36.79%	-34.89%	-1.90%
Average Drawdown Average peak-to-trough decline	-45.34%	-30.51%	-14.83%
Ulcer Index Depth and duration of drawdowns from previous peaks	14.92%	17.67%	-2.75%

Volatility

3993.HK vs. 1258.HK - Volatility Comparison

CMOC Group Ltd (3993.HK) and China Nonferrous Mining Corp Ltd (1258.HK) have volatilities of 24.00% and 24.27%, 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

	3993.HK	1258.HK	Difference
Volatility (1M) Calculated over the trailing 1-month period	24.00%	24.27%	-0.27%
Volatility (6M) Calculated over the trailing 6-month period	43.39%	49.50%	-6.11%
Volatility (1Y) Calculated over the trailing 1-year period	58.72%	66.63%	-7.91%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	51.09%	54.58%	-3.49%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	51.68%	57.42%	-5.74%

Dividends

3993.HK vs. 1258.HK - Dividend Comparison

3993.HK's dividend yield for the trailing twelve months is around 2.12%, less than 1258.HK's 2.84% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
1258.HK China Nonferrous Mining Corp Ltd	2.84%	2.28%	4.43%	4.31%	7.48%	3.59%	2.73%	3.61%	2.45%	0.00%	0.00%	1.30%
3993.HK CMOC Group Ltd	2.12%	1.44%	3.23%	2.20%	2.33%	0.97%	0.93%	3.29%	3.25%	0.79%	1.55%	15.74%

Financials

Frequently Asked Questions

Can I hold both 3993.HK and 1258.HK in my portfolio?

3993.HK and 1258.HK have a correlation of 0.76, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.