COLO-B.CO vs. AMBU-B.CO

Last updated Jun 5, 2026

COLO-B.CO (Coloplast A/S) and AMBU-B.CO (Ambu A/S) are both stocks. Both are in the Healthcare sector — COLO-B.CO in Medical Instruments & Supplies, AMBU-B.CO in Medical Devices. Over the past 10 years, COLO-B.CO returned 0.12%/yr vs 2.45%/yr for AMBU-B.CO. At a 0.20 correlation, their price movements are largely independent.

Performance

COLO-B.CO vs. AMBU-B.CO - Performance Comparison

The chart below illustrates the hypothetical performance of a DKK 10,000 investment in Coloplast A/S (COLO-B.CO) and Ambu A/S (AMBU-B.CO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, COLO-B.CO achieves a -28.89% return, which is significantly lower than AMBU-B.CO's -25.00% return. Over the past 10 years, COLO-B.CO has underperformed AMBU-B.CO with an annualized return of 0.12%, while AMBU-B.CO has yielded a comparatively higher 2.45% annualized return.

COLO-B.CO

• 1D: 1.21%
• 1M: -5.32%
• YTD: -28.89%
• 6M: -33.14%
• 1Y: -36.22%
• 3Y*: -21.69%
• 5Y*: -14.79%
• 10Y*: 0.12%

AMBU-B.CO

• 1D: 3.21%
• 1M: 5.77%
• YTD: -25.00%
• 6M: -24.36%
• 1Y: -33.29%
• 3Y*: -15.50%
• 5Y*: -21.97%
• 10Y*: 2.45%

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

COLO-B.CO vs. AMBU-B.CO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
COLO-B.CO Coloplast A/S	-28.89%	-27.73%	4.47%	-2.40%	-27.80%	26.10%	14.67%	39.66%	25.89%	6.74%
AMBU-B.CO Ambu A/S	-25.00%	-14.98%	-0.80%	18.20%	-48.55%	-34.16%	135.96%	-28.42%	41.19%	96.82%

Correlation

The correlation between COLO-B.CO and AMBU-B.CO is 0.50, 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	0.50
Correlation (3Y) Calculated over the trailing 3-year period	0.43
Correlation (5Y) Calculated over the trailing 5-year period	0.44
Correlation (10Y) Calculated over the trailing 10-year period	0.40
Correlation (All Time) Calculated using the full available price history since May 11, 1993	0.20

Over the past year, COLO-B.CO and AMBU-B.CO have become more correlated (0.50) than their long-term average of 0.20, meaning their price movements have been converging.

Return for Risk

COLO-B.CO vs. AMBU-B.CO — Risk / Return Rank

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

COLO-B.CO

COLO-B.CO Risk / Return Rank: 2
COLO-B.CO Sharpe Ratio Rank: 1
COLO-B.CO Sortino Ratio Rank: 2
COLO-B.CO Omega Ratio Rank: 3
COLO-B.CO Calmar Ratio Rank: 3
COLO-B.CO Martin Ratio Rank: 1

AMBU-B.CO

AMBU-B.CO Risk / Return Rank: 8
AMBU-B.CO Sharpe Ratio Rank: 6
AMBU-B.CO Sortino Ratio Rank: 8
AMBU-B.CO Omega Ratio Rank: 8
AMBU-B.CO Calmar Ratio Rank: 11
AMBU-B.CO 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.

COLO-B.CO vs. AMBU-B.CO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Coloplast A/S (COLO-B.CO) and Ambu A/S (AMBU-B.CO). 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.

	COLO-B.CO	AMBU-B.CO	Difference
Sharpe ratio: Return per unit of total volatility	-1.43	-0.96	-0.47
Sortino ratio: Return per unit of downside risk	-2.07	-1.26	-0.80
Omega ratio: Gain probability vs. loss probability	0.76	0.83	-0.08
Calmar ratio: Return relative to maximum drawdown	-0.96	-0.79	-0.16
Martin ratio: Return relative to average drawdown	-2.00	-1.52	-0.48
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

COLO-B.CO vs. AMBU-B.CO - Sharpe Ratio Comparison

The current COLO-B.CO Sharpe Ratio is -1.43, which is lower than the AMBU-B.CO Sharpe Ratio of -0.96. The chart below compares the historical Sharpe Ratios of COLO-B.CO and AMBU-B.CO, 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

	COLO-B.CO	AMBU-B.CO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-1.43	-0.96	-0.47
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.57	-0.48	-0.09
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.00	0.05	-0.04
Sharpe Ratio (All Time) Calculated using the full available price history	0.50	0.40	+0.10

Drawdowns

COLO-B.CO vs. AMBU-B.CO - Drawdown Comparison

The maximum COLO-B.CO drawdown since its inception was -63.31%, smaller than the maximum AMBU-B.CO drawdown of -82.59%. Use the drawdown chart below to compare losses from any high point for COLO-B.CO and AMBU-B.CO.

Drawdown Indicators

	COLO-B.CO	AMBU-B.CO	Difference
Max Drawdown Largest peak-to-trough decline	-63.31%	-82.59%	+19.28%
Max Drawdown (1Y) Largest decline over 1 year	-38.33%	-42.44%	+4.11%
Max Drawdown (3Y) Largest decline over 3 years	-58.16%	-59.36%	+1.20%
Max Drawdown (5Y) Largest decline over 5 years	-63.31%	-74.40%	+11.09%
Max Drawdown (10Y) Largest decline over 10 years	-63.31%	-82.59%	+19.28%
Current Drawdown Current decline from peak	-62.76%	-81.25%	+18.49%
Average Drawdown Average peak-to-trough decline	-12.43%	-33.32%	+20.89%
Ulcer Index Depth and duration of drawdowns from previous peaks	18.17%	22.01%	-3.84%

Volatility

COLO-B.CO vs. AMBU-B.CO - Volatility Comparison

The current volatility for Coloplast A/S (COLO-B.CO) is 7.19%, while Ambu A/S (AMBU-B.CO) has a volatility of 8.64%. This indicates that COLO-B.CO experiences smaller price fluctuations and is considered to be less risky than AMBU-B.CO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	COLO-B.CO	AMBU-B.CO	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.19%	8.64%	-1.45%
Volatility (6M) Calculated over the trailing 6-month period	20.57%	22.97%	-2.40%
Volatility (1Y) Calculated over the trailing 1-year period	25.66%	35.09%	-9.43%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	26.29%	46.44%	-20.15%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.92%	50.19%	-25.27%

Dividends

COLO-B.CO vs. AMBU-B.CO - Dividend Comparison

COLO-B.CO's dividend yield for the trailing twelve months is around 5.99%, more than AMBU-B.CO's 0.62% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AMBU-B.CO Ambu A/S	0.62%	0.47%	0.37%	0.00%	0.00%	0.17%	0.11%	0.34%	0.26%	0.33%	0.55%	0.45%
COLO-B.CO Coloplast A/S	5.99%	4.21%	2.80%	2.72%	2.46%	1.65%	1.94%	2.06%	2.64%	3.04%	2.83%	2.24%

Financials

Frequently Asked Questions

Can I hold both COLO-B.CO and AMBU-B.CO in my portfolio?

COLO-B.CO and AMBU-B.CO have a correlation of 0.50, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.