BAMNB.AS vs. AMG.AS

Last updated Jun 5, 2026

BAMNB.AS (Koninklijke BAM Groep NV) and AMG.AS (AMG Advanced Metallurgical Group NV) are both stocks. BAMNB.AS operates in Engineering & Construction (Industrials), while AMG.AS operates in Other Industrial Metals & Mining (Basic Materials). Over the past 10 years, BAMNB.AS returned 14.01%/yr vs 13.15%/yr for AMG.AS. At a 0.44 correlation, their price movements are largely independent.

Performance

BAMNB.AS vs. AMG.AS - Performance Comparison

The chart below illustrates the hypothetical performance of a €10,000 investment in Koninklijke BAM Groep NV (BAMNB.AS) and AMG Advanced Metallurgical Group NV (AMG.AS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BAMNB.AS achieves a 19.74% return, which is significantly lower than AMG.AS's 34.50% return. Over the past 10 years, BAMNB.AS has outperformed AMG.AS with an annualized return of 14.01%, while AMG.AS has yielded a comparatively lower 13.15% annualized return.

BAMNB.AS

• 1D: -0.83%
• 1M: 13.28%
• YTD: 19.74%
• 6M: 25.97%
• 1Y: 48.08%
• 3Y*: 83.90%
• 5Y*: 40.97%
• 10Y*: 14.01%

AMG.AS

• 1D: -4.67%
• 1M: 1.48%
• YTD: 34.50%
• 6M: 41.58%
• 1Y: 103.92%
• 3Y*: -3.68%
• 5Y*: 6.85%
• 10Y*: 13.15%

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

BAMNB.AS vs. AMG.AS - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BAMNB.AS Koninklijke BAM Groep NV	19.74%	130.52%	83.19%	19.92%	-19.33%	57.77%	-36.52%	10.43%	-31.01%	-11.12%
AMG.AS AMG Advanced Metallurgical Group NV	34.50%	108.18%	-37.75%	-32.25%	24.60%	16.01%	14.52%	-20.83%	-32.27%	186.47%

Correlation

The correlation between BAMNB.AS and AMG.AS is 0.36, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.36
Correlation (3Y) Calculated over the trailing 3-year period	0.36
Correlation (5Y) Calculated over the trailing 5-year period	0.41
Correlation (10Y) Calculated over the trailing 10-year period	0.39
Correlation (All Time) Calculated using the full available price history since Jul 12, 2007	0.44

Return for Risk

BAMNB.AS vs. AMG.AS — Risk / Return Rank

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

BAMNB.AS

BAMNB.AS Risk / Return Rank: 77
BAMNB.AS Sharpe Ratio Rank: 76
BAMNB.AS Sortino Ratio Rank: 72
BAMNB.AS Omega Ratio Rank: 71
BAMNB.AS Calmar Ratio Rank: 83
BAMNB.AS Martin Ratio Rank: 82

AMG.AS

AMG.AS Risk / Return Rank: 86
AMG.AS Sharpe Ratio Rank: 89
AMG.AS Sortino Ratio Rank: 85
AMG.AS Omega Ratio Rank: 83
AMG.AS Calmar Ratio Rank: 88
AMG.AS Martin Ratio Rank: 86

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.

BAMNB.AS vs. AMG.AS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Koninklijke BAM Groep NV (BAMNB.AS) and AMG Advanced Metallurgical Group NV (AMG.AS). 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.

	BAMNB.AS	AMG.AS	Difference
Sharpe ratio: Return per unit of total volatility	1.20	2.13	-0.93
Sortino ratio: Return per unit of downside risk	1.84	2.67	-0.84
Omega ratio: Gain probability vs. loss probability	1.24	1.34	-0.10
Calmar ratio: Return relative to maximum drawdown	2.98	4.21	-1.23
Martin ratio: Return relative to average drawdown	7.40	9.40	-2.00
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BAMNB.AS vs. AMG.AS - Sharpe Ratio Comparison

The current BAMNB.AS Sharpe Ratio is 1.20, which is lower than the AMG.AS Sharpe Ratio of 2.13. The chart below compares the historical Sharpe Ratios of BAMNB.AS and AMG.AS, 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

	BAMNB.AS	AMG.AS	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.20	2.13	-0.93
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.10	0.15	+0.96
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.35	0.28	+0.07
Sharpe Ratio (All Time) Calculated using the full available price history	0.27	0.05	+0.22

Drawdowns

BAMNB.AS vs. AMG.AS - Drawdown Comparison

The maximum BAMNB.AS drawdown since its inception was -90.52%, roughly equal to the maximum AMG.AS drawdown of -94.24%. Use the drawdown chart below to compare losses from any high point for BAMNB.AS and AMG.AS.

Drawdown Indicators

	BAMNB.AS	AMG.AS	Difference
Max Drawdown Largest peak-to-trough decline	-90.52%	-94.24%	+3.72%
Max Drawdown (1Y) Largest decline over 1 year	-16.20%	-24.89%	+8.69%
Max Drawdown (3Y) Largest decline over 3 years	-19.67%	-74.28%	+54.61%
Max Drawdown (5Y) Largest decline over 5 years	-44.94%	-74.28%	+29.34%
Max Drawdown (10Y) Largest decline over 10 years	-79.58%	-75.22%	-4.36%
Current Drawdown Current decline from peak	-3.23%	-29.50%	+26.27%
Average Drawdown Average peak-to-trough decline	-44.01%	-65.18%	+21.17%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.56%	11.23%	-4.67%

Volatility

BAMNB.AS vs. AMG.AS - Volatility Comparison

Koninklijke BAM Groep NV (BAMNB.AS) has a higher volatility of 18.97% compared to AMG Advanced Metallurgical Group NV (AMG.AS) at 16.15%. This indicates that BAMNB.AS's price experiences larger fluctuations and is considered to be riskier than AMG.AS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BAMNB.AS	AMG.AS	Difference
Volatility (1M) Calculated over the trailing 1-month period	18.97%	16.15%	+2.82%
Volatility (6M) Calculated over the trailing 6-month period	30.00%	39.25%	-9.25%
Volatility (1Y) Calculated over the trailing 1-year period	40.21%	49.31%	-9.10%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	36.54%	46.44%	-9.90%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	39.64%	45.81%	-6.17%

Dividends

BAMNB.AS vs. AMG.AS - Dividend Comparison

BAMNB.AS's dividend yield for the trailing twelve months is around 2.78%, more than AMG.AS's 1.05% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AMG.AS AMG Advanced Metallurgical Group NV	1.05%	1.41%	2.88%	3.51%	1.74%	0.71%	1.23%	2.29%	1.21%	0.67%	1.62%	1.11%
BAMNB.AS Koninklijke BAM Groep NV	2.78%	2.69%	4.76%	6.20%	0.00%	0.00%	0.00%	5.21%	7.96%	2.35%	0.46%	0.00%

Financials

Frequently Asked Questions

Can I hold both BAMNB.AS and AMG.AS in my portfolio?

BAMNB.AS and AMG.AS have a correlation of 0.36, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.