PCAR vs. MCK

Last updated Jun 3, 2026

PCAR (PACCAR Inc) and MCK (McKesson Corporation) are both stocks. PCAR operates in Farm & Heavy Construction Machinery (Industrials), while MCK operates in Medical Distribution (Healthcare). Over the past 10 years, PCAR returned 16.06%/yr vs 15.61%/yr for MCK. At a 0.30 correlation, their price movements are largely independent.

Performance

PCAR vs. MCK - Performance Comparison

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

Returns By Period

In the year-to-date period, PCAR achieves a 3.68% return, which is significantly higher than MCK's -10.01% return. Both investments have delivered pretty close results over the past 10 years, with PCAR having a 16.06% annualized return and MCK not far behind at 15.61%.

PCAR

• 1D: 3.12%
• 1M: -2.45%
• YTD: 3.68%
• 6M: 8.58%
• 1Y: 26.13%
• 3Y*: 19.81%
• 5Y*: 16.98%
• 10Y*: 16.06%

MCK

• 1D: 0.27%
• 1M: -9.39%
• YTD: -10.01%
• 6M: -11.03%
• 1Y: 2.50%
• 3Y*: 24.17%
• 5Y*: 31.32%
• 10Y*: 15.61%

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

PCAR vs. MCK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PCAR PACCAR Inc	3.68%	8.03%	10.81%	55.01%	17.00%	5.63%	11.74%	45.05%	-15.32%	14.82%
MCK McKesson Corporation	-10.01%	44.54%	23.67%	24.13%	51.82%	44.23%	27.06%	26.72%	-28.40%	11.95%

Correlation

The correlation between PCAR and MCK is 0.05, 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	0.05
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 Nov 16, 1994	0.30

Over the past year, the correlation between PCAR and MCK has dropped to 0.05 - well below their long-term average of 0.30, suggesting their price drivers have been diverging.

Fundamentals

Market Cap PCAR : $59.54B MCK : $90.40B
EPS PCAR : $4.70 MCK : $38.38
PE Ratio PCAR : 24.02 MCK : 19.20
PEG Ratio PCAR : 1.59 MCK : 0.26
PS Ratio PCAR : 2.18 MCK : 0.23
Total Revenue (TTM) PCAR : $27.24B MCK : $403.43B
Gross Profit (TTM) PCAR : $4.12B MCK : $14.55B
EBITDA (TTM) PCAR : $3.38B MCK : $6.91B

Return for Risk

PCAR vs. MCK — Risk / Return Rank

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

PCAR

PCAR Risk / Return Rank: 68
PCAR Sharpe Ratio Rank: 71
PCAR Sortino Ratio Rank: 69
PCAR Omega Ratio Rank: 63
PCAR Calmar Ratio Rank: 69
PCAR Martin Ratio Rank: 71

MCK

MCK Risk / Return Rank: 41
MCK Sharpe Ratio Rank: 44
MCK Sortino Ratio Rank: 38
MCK Omega Ratio Rank: 37
MCK Calmar Ratio Rank: 42
MCK Martin Ratio Rank: 43

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.

PCAR vs. MCK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PACCAR Inc (PCAR) 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.

	PCAR	MCK	Difference
Sharpe ratio Return per unit of total volatility	1.00	0.09	+0.92
Sortino ratio Return per unit of downside risk	1.71	0.36	+1.35
Omega ratio Gain probability vs. loss probability	1.19	1.05	+0.14
Calmar ratio Return relative to maximum drawdown	1.53	0.11	+1.42
Martin ratio Return relative to average drawdown	3.98	0.30	+3.67
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PCAR vs. MCK - Sharpe Ratio Comparison

The current PCAR Sharpe Ratio is 1.00, which is higher than the MCK Sharpe Ratio of 0.09. The chart below compares the historical Sharpe Ratios of PCAR 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

	PCAR	MCK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.00	0.09	+0.92
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.66	1.30	-0.64
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.62	0.54	+0.07
Sharpe Ratio (All Time) Calculated using the full available price history	0.45	0.44	+0.01

Drawdowns

PCAR vs. MCK - Drawdown Comparison

The maximum PCAR drawdown since its inception was -66.16%, smaller than the maximum MCK drawdown of -82.84%. Use the drawdown chart below to compare losses from any high point for PCAR and MCK.

Drawdown Indicators

	PCAR	MCK	Difference
Max Drawdown Largest peak-to-trough decline	-66.16%	-82.84%	+16.68%
Max Drawdown (1Y) Largest decline over 1 year	-15.29%	-27.17%	+11.88%
Max Drawdown (3Y) Largest decline over 3 years	-27.75%	-27.17%	-0.58%
Max Drawdown (5Y) Largest decline over 5 years	-27.75%	-27.17%	-0.58%
Max Drawdown (10Y) Largest decline over 10 years	-37.84%	-44.23%	+6.39%
Current Drawdown Current decline from peak	-12.54%	-25.92%	+13.38%
Average Drawdown Average peak-to-trough decline	-14.42%	-28.65%	+14.23%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.87%	9.61%	-3.74%

Volatility

PCAR vs. MCK - Volatility Comparison

The current volatility for PACCAR Inc (PCAR) is 7.55%, while McKesson Corporation (MCK) has a volatility of 9.57%. This indicates that PCAR experiences smaller price fluctuations and is considered to be less risky than MCK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PCAR	MCK	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.55%	9.57%	-2.02%
Volatility (6M) Calculated over the trailing 6-month period	18.76%	23.04%	-4.28%
Volatility (1Y) Calculated over the trailing 1-year period	26.29%	28.92%	-2.63%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	25.70%	24.17%	+1.53%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	26.20%	28.81%	-2.61%

Dividends

PCAR vs. MCK - Dividend Comparison

PCAR's dividend yield for the trailing twelve months is around 2.43%, more than MCK's 0.45% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MCK McKesson Corporation	0.45%	0.37%	0.47%	0.50%	0.54%	0.72%	0.95%	1.16%	1.32%	0.80%	0.80%	0.53%
PCAR PACCAR Inc	2.43%	2.48%	4.01%	4.34%	4.23%	3.22%	2.29%	4.53%	5.41%	3.08%	2.44%	4.89%

Financials

PCAR vs. MCK - Profitability Comparison

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

PCAR - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, PACCAR Inc reported a gross profit of 817.80M and revenue of 6.23B. Therefore, the gross margin over that period was 13.1%.

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%.

PCAR - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, PACCAR Inc reported an operating income of 559.10M and revenue of 6.23B, resulting in an operating margin of 9.0%.

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%.

PCAR - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, PACCAR Inc reported a net income of 605.30M and revenue of 6.23B, resulting in a net margin of 9.7%.

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 PCAR and MCK in my portfolio?

PCAR and MCK have a correlation of 0.05, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PCAR or MCK?

MCK has higher volatility (9.57%) compared to PCAR (7.55%). In terms of maximum drawdown, PCAR dropped -66.16% vs MCK's -82.84%.

Which has better risk-adjusted returns?

PCAR currently has the higher Sharpe Ratio (1.00 vs 0.09), 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.