Cardinal Health (CAH) seasonality: returns by month

Cardinal Health (CAH) has averaged +3.8% in November and −0.5% in July since 2000, the best and worst months. Every month's average is shown below with how often it rose, so a single big year can't hide.

Cardinal Health returns by calendar month since 2000

CAH return statistics by calendar month
MonthAverageMedianRose inBestWorst
January+3.7%+3.6%85% of 26 yrs+17.2% 2018−8.8% 2016
February+1.1%+1.8%70% of 27 yrs+8.7% 2019−13.8% 2009
March+0.3%+0.4%56% of 27 yrs+18.8% 2021−11.0% 2008
April+0.2%−0.7%44% of 27 yrs+20.0% 2000−11.0% 2017
May+1.2%+2.0%63% of 27 yrs+17.8% 2000−18.8% 2018
June+1.2%−0.6%44% of 27 yrs+20.7% 2026−14.1% 2009
July−0.5%+2.3%56% of 27 yrs+13.9% 2022−36.5% 2004
August+0.3%+0.4%56% of 27 yrs+18.7% 2022−12.7% 2017
September+0.1%−0.9%41% of 27 yrs+10.9% 2010−10.1% 2008
October+2.4%+4.9%62% of 26 yrs+21.9% 2025−22.5% 2008
November+3.8%+4.1%69% of 26 yrs+19.2% 2020−14.9% 2008
December+0.1%−0.2%46% of 26 yrs+12.4% 2021−17.8% 2018

Month-end closes adjusted for splits and dividends, through the October 14, 2026 close. Source: Yahoo Finance chart API, monthly close adjusted for splits and dividends. Excludes taxes, fees and inflation. Methodology

Past returns don't repeat. What does the price assume now?

These tables show what already happened. A buyer today gets the next ten years, and the price already reflects what the market expects. The reverse DCF calculator shows the growth today's price implies, so you can judge whether it is realistic.

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Frequently asked questions

What is the best month for Cardinal Health?

November, with an average return of +3.8% since 2000. It rose in 69% of Novembers (26 years).

What is the worst month for Cardinal Health?

July, averaging −0.5% and rising in 56% of years.

Is it a good idea to time purchases by month?

Usually not. Each month has only about 26 observations here, one big year can swing an average, and the gaps between months are small next to a single year's range. Seasonality is a curiosity, not a trading signal.

How are the monthly returns calculated?

Each month's return runs from the previous month-end close to that month's close, using prices adjusted for splits and dividends. The current, unfinished month is left out.

The math is easy. The macro is hard.

Cardinal Health shows the arithmetic. Members get the monthly call that decides which inputs matter, plus written breakpoints when the facts move. $39/month or $249/year.

$39/mo or $249/yr · cancel future renewals anytime · sources included