COR vs. MCK

Last updated Jun 4, 2026

COR (Cencora Inc.) and MCK (McKesson Corporation) are both stocks. Both operate in the Medical Distribution industry within the Healthcare sector. Over the past 10 years, COR returned 16.54%/yr vs 15.65%/yr for MCK. A 0.52 correlation means they provide meaningful diversification when combined.

Performance

COR vs. MCK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Cencora Inc. (COR) and McKesson Corporation (MCK). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, COR achieves a -21.63% return, which is significantly lower than MCK's -9.67% return. Over the past 10 years, COR has outperformed MCK with an annualized return of 16.54%, while MCK has yielded a comparatively lower 15.65% annualized return.

COR

• 1D: -0.45%
• 1M: -12.98%
• YTD: -21.63%
• 6M: -21.06%
• 1Y: -8.89%
• 3Y*: 15.73%
• 5Y*: 19.66%
• 10Y*: 16.54%

MCK

• 1D: 0.37%
• 1M: -8.36%
• YTD: -9.67%
• 6M: -8.00%
• 1Y: 3.87%
• 3Y*: 24.32%
• 5Y*: 31.27%
• 10Y*: 15.65%

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

COR vs. MCK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
COR Cencora Inc.	-21.63%	51.48%	10.37%	25.33%	26.26%	44.09%	23.37%	23.51%	-17.57%	19.51%
MCK McKesson Corporation	-9.67%	44.54%	23.67%	24.13%	51.82%	44.23%	27.06%	26.72%	-28.40%	11.95%

Correlation

The correlation between COR and MCK is 0.72, 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	0.72
Correlation (3Y) Calculated over the trailing 3-year period	0.70
Correlation (5Y) Calculated over the trailing 5-year period	0.75
Correlation (10Y) Calculated over the trailing 10-year period	0.75
Correlation (All Time) Calculated using the full available price history since Apr 5, 1995	0.52

The correlation between COR and MCK shifts across timeframes, from 0.52 (all time) to 0.75 (5 years), reflecting how their relationship changes across market environments.

Fundamentals

Market Cap COR : $51.51B MCK : $90.74B
EPS COR : $13.07 MCK : $38.38
PE Ratio COR : 20.17 MCK : 19.27
PEG Ratio COR : 9.58 MCK : 0.26
PS Ratio COR : 0.16 MCK : 0.23
PB Ratio COR : 15.16 MCK : 13.12
Total Revenue (TTM) COR : $328.68B MCK : $403.43B
Gross Profit (TTM) COR : $11.66B MCK : $14.55B
EBITDA (TTM) COR : $3.64B MCK : $6.91B

Return for Risk

COR vs. MCK — Risk / Return Rank

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

COR

COR Risk / Return Rank: 27
COR Sharpe Ratio Rank: 28
COR Sortino Ratio Rank: 25
COR Omega Ratio Rank: 25
COR Calmar Ratio Rank: 31
COR Martin Ratio Rank: 25

MCK

MCK Risk / Return Rank: 43
MCK Sharpe Ratio Rank: 45
MCK Sortino Ratio Rank: 40
MCK Omega Ratio Rank: 39
MCK Calmar Ratio Rank: 44
MCK Martin Ratio Rank: 45

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.

COR vs. MCK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Cencora Inc. (COR) and McKesson Corporation (MCK). 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.

	COR	MCK	Difference
Sharpe ratio Return per unit of total volatility	-0.30	0.13	-0.43
Sortino ratio Return per unit of downside risk	-0.19	0.43	-0.62
Omega ratio Gain probability vs. loss probability	0.97	1.06	-0.09
Calmar ratio Return relative to maximum drawdown	-0.28	0.14	-0.42
Martin ratio Return relative to average drawdown	-0.82	0.40	-1.22
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

COR vs. MCK - Sharpe Ratio Comparison

The current COR Sharpe Ratio is -0.30, which is lower than the MCK Sharpe Ratio of 0.13. The chart below compares the historical Sharpe Ratios of COR and MCK, 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

	COR	MCK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.30	0.13	-0.43
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.89	1.30	-0.42
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.60	0.55	+0.06
Sharpe Ratio (All Time) Calculated using the full available price history	0.54	0.44	+0.10

Drawdowns

COR vs. MCK - Drawdown Comparison

The maximum COR drawdown since its inception was -71.01%, smaller than the maximum MCK drawdown of -82.84%. Use the drawdown chart below to compare losses from any high point for COR and MCK.

Drawdown Indicators

	COR	MCK	Difference
Max Drawdown Largest peak-to-trough decline	-71.01%	-82.84%	+11.83%
Max Drawdown (1Y) Largest decline over 1 year	-32.44%	-27.17%	-5.27%
Max Drawdown (3Y) Largest decline over 3 years	-32.44%	-27.17%	-5.27%
Max Drawdown (5Y) Largest decline over 5 years	-32.44%	-27.17%	-5.27%
Max Drawdown (10Y) Largest decline over 10 years	-32.44%	-44.23%	+11.79%
Current Drawdown Current decline from peak	-29.37%	-25.64%	-3.73%
Average Drawdown Average peak-to-trough decline	-13.62%	-28.65%	+15.03%
Ulcer Index Depth and duration of drawdowns from previous peaks	10.87%	9.74%	+1.13%

Volatility

COR vs. MCK - Volatility Comparison

Cencora Inc. (COR) has a higher volatility of 20.43% compared to McKesson Corporation (MCK) at 9.60%. This indicates that COR's price experiences larger fluctuations and is considered to be riskier than MCK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	COR	MCK	Difference
Volatility (1M) Calculated over the trailing 1-month period	20.43%	9.60%	+10.83%
Volatility (6M) Calculated over the trailing 6-month period	27.13%	22.90%	+4.23%
Volatility (1Y) Calculated over the trailing 1-year period	30.05%	28.91%	+1.14%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.30%	24.16%	-1.86%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.47%	28.80%	-1.33%

Dividends

COR vs. MCK - Dividend Comparison

COR's dividend yield for the trailing twelve months is around 0.89%, more than MCK's 0.44% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
COR Cencora Inc.	0.89%	0.67%	0.93%	0.96%	1.13%	5.13%	6.74%	7.48%	2.07%	1.61%	1.77%	1.17%
MCK McKesson Corporation	0.44%	0.37%	0.47%	0.50%	0.54%	0.72%	0.95%	1.16%	1.32%	0.80%	0.80%	0.53%

Financials

COR vs. MCK - Profitability Comparison

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

COR - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Cencora Inc. reported a gross profit of 3.59B and revenue of 78.36B. Therefore, the gross margin over that period was 4.6%.

MCK - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, McKesson Corporation reported a gross profit of 4.04B and revenue of 96.30B. Therefore, the gross margin over that period was 4.2%.

COR - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Cencora Inc. reported an operating income of 1.14B and revenue of 78.36B, resulting in an operating margin of 1.5%.

MCK - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, McKesson Corporation reported an operating income of 2.09B and revenue of 96.30B, resulting in an operating margin of 2.2%.

COR - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Cencora Inc. reported a net income of 1.64B and revenue of 78.36B, resulting in a net margin of 2.1%.

MCK - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, McKesson Corporation reported a net income of 1.68B and revenue of 96.30B, resulting in a net margin of 1.8%.

Frequently Asked Questions

Can I hold both COR and MCK in my portfolio?

COR and MCK have a correlation of 0.72, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, COR or MCK?

COR has higher volatility (20.43%) compared to MCK (9.60%). In terms of maximum drawdown, COR dropped -71.01% vs MCK's -82.84%.

Which has better risk-adjusted returns?

MCK currently has the higher Sharpe Ratio (0.13 vs -0.30), 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.