CAH vs. BIIB

Last updated Jun 3, 2026

CAH (Cardinal Health, Inc.) and BIIB (Biogen Inc.) are both stocks. Both are in the Healthcare sector — CAH in Medical Distribution, BIIB in Drug Manufacturers - General. Over the past 10 years, CAH returned 12.47%/yr vs -4.21%/yr for BIIB. At a 0.23 correlation, their price movements are largely independent.

Performance

CAH vs. BIIB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Cardinal Health, Inc. (CAH) and Biogen Inc. (BIIB). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CAH achieves a -4.70% return, which is significantly lower than BIIB's 7.30% return. Over the past 10 years, CAH has outperformed BIIB with an annualized return of 12.47%, while BIIB has yielded a comparatively lower -4.21% annualized return.

CAH

• 1D: -0.14%
• 1M: -0.18%
• YTD: -4.70%
• 6M: -4.53%
• 1Y: 26.94%
• 3Y*: 34.27%
• 5Y*: 31.16%
• 10Y*: 12.47%

BIIB

• 1D: -1.77%
• 1M: 0.95%
• YTD: 7.30%
• 6M: 4.80%
• 1Y: 43.99%
• 3Y*: -14.32%
• 5Y*: -7.08%
• 10Y*: -4.21%

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

CAH vs. BIIB - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
CAH Cardinal Health, Inc.	-4.70%	76.25%	19.01%	34.15%	54.08%	-0.40%	10.09%	18.04%	-24.50%	-12.65%
BIIB Biogen Inc.	7.30%	15.09%	-40.91%	-6.55%	15.42%	-2.02%	-17.48%	-1.39%	-5.54%	12.34%

Correlation

The correlation between CAH and BIIB is 0.02, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.02
Correlation (3Y) Calculated over the trailing 3-year period	0.10
Correlation (5Y) Calculated over the trailing 5-year period	0.18
Correlation (10Y) Calculated over the trailing 10-year period	0.27
Correlation (All Time) Calculated using the full available price history since Sep 18, 1991	0.23

Over the past year, the correlation between CAH and BIIB has dropped to 0.02 - well below their long-term average of 0.23, suggesting their price drivers have been diverging.

Fundamentals

EPS CAH : $6.55 BIIB : $12.48
PE Ratio CAH : 29.75 BIIB : 15.12
PEG Ratio CAH : 0.71 BIIB : 1.05
PS Ratio CAH : 0.19 BIIB : 2.11
Total Revenue (TTM) CAH : $250.55B BIIB : $9.86B
Gross Profit (TTM) CAH : $9.23B BIIB : $5.06B
EBITDA (TTM) CAH : $2.79B BIIB : $2.24B

Return for Risk

CAH vs. BIIB — Risk / Return Rank

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

CAH

CAH Risk / Return Rank: 68
CAH Sharpe Ratio Rank: 69
CAH Sortino Ratio Rank: 67
CAH Omega Ratio Rank: 67
CAH Calmar Ratio Rank: 66
CAH Martin Ratio Rank: 69

BIIB

BIIB Risk / Return Rank: 78
BIIB Sharpe Ratio Rank: 78
BIIB Sortino Ratio Rank: 76
BIIB Omega Ratio Rank: 71
BIIB Calmar Ratio Rank: 83
BIIB Martin Ratio Rank: 83

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.

CAH vs. BIIB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Cardinal Health, Inc. (CAH) and Biogen Inc. (BIIB). 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.

	CAH	BIIB	Difference
Sharpe ratio Return per unit of total volatility	0.91	1.34	-0.43
Sortino ratio Return per unit of downside risk	1.63	2.08	-0.45
Omega ratio Gain probability vs. loss probability	1.22	1.24	-0.02
Calmar ratio Return relative to maximum drawdown	1.35	3.17	-1.82
Martin ratio Return relative to average drawdown	3.64	7.80	-4.15
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CAH vs. BIIB - Sharpe Ratio Comparison

The current CAH Sharpe Ratio is 0.91, which is lower than the BIIB Sharpe Ratio of 1.34. The chart below compares the historical Sharpe Ratios of CAH and BIIB, 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

	CAH	BIIB	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.91	1.34	-0.43
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.24	-0.19	+1.43
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.43	-0.10	+0.53
Sharpe Ratio (All Time) Calculated using the full available price history	0.56	0.22	+0.33

Drawdowns

CAH vs. BIIB - Drawdown Comparison

The maximum CAH drawdown since its inception was -61.93%, smaller than the maximum BIIB drawdown of -89.98%. Use the drawdown chart below to compare losses from any high point for CAH and BIIB.

Drawdown Indicators

	CAH	BIIB	Difference
Max Drawdown Largest peak-to-trough decline	-61.93%	-89.98%	+28.05%
Max Drawdown (1Y) Largest decline over 1 year	-20.42%	-14.34%	-6.08%
Max Drawdown (3Y) Largest decline over 3 years	-20.42%	-63.82%	+43.40%
Max Drawdown (5Y) Largest decline over 5 years	-22.80%	-72.66%	+49.86%
Max Drawdown (10Y) Largest decline over 10 years	-46.13%	-72.66%	+26.53%
Current Drawdown Current decline from peak	-15.02%	-60.33%	+45.31%
Average Drawdown Average peak-to-trough decline	-15.94%	-36.60%	+20.66%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.57%	5.83%	+1.74%

Volatility

CAH vs. BIIB - Volatility Comparison

The current volatility for Cardinal Health, Inc. (CAH) is 7.43%, while Biogen Inc. (BIIB) has a volatility of 9.17%. This indicates that CAH experiences smaller price fluctuations and is considered to be less risky than BIIB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CAH	BIIB	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.43%	9.17%	-1.74%
Volatility (6M) Calculated over the trailing 6-month period	19.72%	24.01%	-4.29%
Volatility (1Y) Calculated over the trailing 1-year period	29.75%	33.03%	-3.28%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	25.20%	38.41%	-13.21%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	29.21%	41.47%	-12.26%

Dividends

CAH vs. BIIB - Dividend Comparison

CAH's dividend yield for the trailing twelve months is around 1.05%, while BIIB has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BIIB Biogen Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
CAH Cardinal Health, Inc.	1.05%	0.99%	1.28%	1.98%	2.57%	3.80%	3.62%	3.80%	4.24%	3.00%	2.41%	1.68%

Financials

CAH vs. BIIB - Profitability Comparison

The chart below illustrates the profitability comparison between Cardinal Health, Inc. and Biogen Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

CAH - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Cardinal Health, Inc. reported a gross profit of 2.50B and revenue of 60.94B. Therefore, the gross margin over that period was 4.1%.

BIIB - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Biogen Inc. reported a gross profit of 0.00 and revenue of 2.48B. Therefore, the gross margin over that period was 0.0%.

CAH - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Cardinal Health, Inc. reported an operating income of 509.00M and revenue of 60.94B, resulting in an operating margin of 0.8%.

BIIB - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Biogen Inc. reported an operating income of 0.00 and revenue of 2.48B, resulting in an operating margin of 0.0%.

CAH - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Cardinal Health, Inc. reported a net income of 399.00M and revenue of 60.94B, resulting in a net margin of 0.7%.

BIIB - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Biogen Inc. reported a net income of 319.50M and revenue of 2.48B, resulting in a net margin of 12.9%.

Frequently Asked Questions

Can I hold both CAH and BIIB in my portfolio?

CAH and BIIB have a correlation of 0.02, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CAH or BIIB?

BIIB has higher volatility (9.17%) compared to CAH (7.43%). In terms of maximum drawdown, CAH dropped -61.93% vs BIIB's -89.98%.

Which has better risk-adjusted returns?

BIIB currently has the higher Sharpe Ratio (1.34 vs 0.91), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.