Paychex (BSP:P1AY34) Cyclically Adjusted Book per Share: R$24.64 (As of May. 2026)

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Director of Data and Quant Analytics at GuruFocus
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Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

BSP:P1AY34 Paychex Inc BSP:P1AY34
85 GF Score
Price R$282.42
GF Value R$395.66
! 3 Warning Signs
View Full Analysis

What is Paychex Cyclically Adjusted Book per Share?

Paychex BSP:P1AY34 85 Cyclically Adjusted Book per Share is R$24.64 as of May. 2026. GuruFocus rates BSP:P1AY34 with a GF Score™ of 85/100 and a GF Value™ of R$395.66. The stock has 3 warning signs investors should review.

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted Book per Share and the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted Book Value per Share of a company over the past 10 years.

Paychex's adjusted book value per share for the three months ended in May. 2026 was R$26.162. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is R$24.64 for the trailing ten years ended in May. 2026.

During the past 12 months, Paychex's average Cyclically Adjusted Book Growth Rate was 8.60% per year. During the past 3 years, the average Cyclically Adjusted Book Growth Rate was 8.10% per year. During the past 5 years, the average Cyclically Adjusted Book Growth Rate was 9.00% per year. During the past 10 years, the average Cyclically Adjusted Book Growth Rate was 8.30% per year. Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the Cyclically Adjusted Book Growth Rate using Cyclically Adjusted Book per Share data.

During the past 13 years, the highest 3-Year average Cyclically Adjusted Book Growth Rate of Paychex was 29.50% per year. The lowest was 1.40% per year. And the median was 9.45% per year.

As of today (2026-07-22), Paychex's current stock price is R$282.42. Paychex's Cyclically Adjusted Book per Share for the quarter that ended in May. 2026 was R$24.64. Paychex's Cyclically Adjusted PB Ratio of today is 11.46.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of Paychex was 20.76. The lowest was 8.95. And the median was 14.71.


Paychex  (BSP:P1AY34) Cyclically Adjusted Book per Share Explanation

If a company grows much fast than inflation, Cyclically Adjusted Book per Share may underestimate the company's equity. Cyclically Adjusted PB Ratio can seem to be too high even the actual PB Ratio is low.

For the Cyclically Adjusted PB Ratio, the book value of the past 10 years are inflation-adjusted and averaged. The result is used for P/B calculation. Since it looks at the average over the last 10 years, the Cyclically Adjusted PB Ratio is also called CAPB Ratio.

The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.

Paychex's Cyclically Adjusted PB Ratio of today is calculated as

Cyclically Adjusted PB Ratio=Share Price/Cyclically Adjusted Book per Share
=282.42/24.64
=11.46

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of Paychex was 20.76. The lowest was 8.95. And the median was 14.71.


Be Aware

Cyclically Adjusted PB Ratio works better for cyclical companies. It gives you a better idea on the company's real book value.


Paychex Cyclically Adjusted Book per Share Related Terms


Paychex Cyclically Adjusted Book per Share Historical Data

* Premium members only.

The historical data trend for Paychex's Cyclically Adjusted Book per Share can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Paychex Cyclically Adjusted Book per Share Chart

Paychex Annual Data
Trend May17 May18 May19 May20 May21 May22 May23 May24 May25 May26
Cyclically Adjusted Book per Share
Get a 7-Day Free Trial Premium Member Only Premium Member Only 18.27 20.01 22.51 25.03 24.64

Paychex Quarterly Data
Aug21 Nov21 Feb22 May22 Aug22 Nov22 Feb23 May23 Aug23 Nov23 Feb24 May24 Aug24 Nov24 Feb25 May25 Aug25 Nov25 Feb26 May26
Cyclically Adjusted Book per Share Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 25.03 25.03 25.11 23.30 24.64

BSP:P1AY34 vs ROP, WDAY, ADSK: Cyclically Adjusted Book per Share Comparison

For the Software - Application subindustry, Paychex's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted PB Ratio data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Paychex Cyclically Adjusted PB Ratio vs Software Industry

For the Software industry and Technology sector, Paychex's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where Paychex's Cyclically Adjusted PB Ratio falls into.


BSP:P1AY34
85GF Score
Paychex Inc BSP:P1AY34
Cyclically Adjusted Book per Share is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Paychex Cyclically Adjusted Book per Share Calculation

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted Book per Share and the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted Book Value per Share of a company over the past 10 years.

What is Cyclically Adjusted Book per Share? How do we calculate Cyclically Adjusted Book per Share?

Cyclically Adjusted Book per Share is the average of the inflation adjusted Book Value per Share of a company over the past 10 years. Let's use an example to explain.

If we want to calculate the Cyclically Adjusted Book per Share of Wal-Mart (WMT) for Dec. 31, 2010, we need to have the inflation data and the book value per share from 2001 through 2010.

We adjusted the 2001 book value per share data with the total inflation from 2001 through 2010 to the equivalent book value in 2010. If the total inflation from 2001 to 2010 is 40%, and Wal-Mart's book value is $1 a share in 2001, then the 2001's equivalent book value in 2010 is $1.4 a share. If Wal-Mart's book value is $1 again in 2002, and the total inflation from 2002 through 2010 is 35%, then the equivalent 2002 book value in 2010 is $1.35. So on and so forth, you get the equivalent book value per share of past 10 years. Then you add them together and divided the sum by the count to get Cyclically Adjusted Book per Share.

Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.

For example, Paychex's adjusted Book Value per Share data for the three months ended in May. 2026 was:

Adj_Book= Book Value per Share /CPI of May. 2026 (Change)*Current CPI (May. 2026)
=26.162/335.1230*335.1230
=26.162

Current CPI (May. 2026) = 335.1230.

Paychex Quarterly Data

Book Value per Share CPI Adj_Book
201608 8.819 240.849 12.271
201611 8.442 241.353 11.722
201702 8.198 243.603 11.278
201705 8.716 244.733 11.935
201708 8.524 245.519 11.635
201711 8.943 246.669 12.150
201802 9.254 248.991 12.455
201805 11.921 251.588 15.879
201808 13.076 252.146 17.379
201811 12.781 252.038 16.994
201902 13.462 252.776 17.848
201905 14.550 256.092 19.040
201908 14.156 256.558 18.491
201911 14.897 257.208 19.410
202002 16.722 258.678 21.664
202005 21.858 256.394 28.570
202008 21.133 259.918 27.248
202011 21.828 260.229 28.110
202102 22.359 263.014 28.489
202105 21.652 269.195 26.955
202108 22.150 273.567 27.134
202111 24.071 277.948 29.022
202202 23.658 283.716 27.945
202205 21.266 292.296 24.382
202208 22.374 296.171 25.317
202211 23.422 297.711 26.365
202302 24.438 300.840 27.223
202305 24.134 304.127 26.594
202308 24.340 307.026 26.567
202311 23.988 307.051 26.181
202402 25.821 310.326 27.884
202405 27.110 314.069 28.927
202408 29.698 314.796 31.616
202411 31.597 315.493 33.563
202502 32.937 319.082 34.593
202505 32.442 321.465 33.820
202508 30.039 323.976 31.073
202511 28.868 324.122 29.848
202602 29.119 326.785 29.862
202605 26.162 335.123 26.162

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.

What does a Cyclically Adjusted Book per Share of R$24.64 mean?
Paychex (BSP:P1AY34) has a Cyclically Adjusted Book per Share of R$24.64 as of May. 2026. Cyclically adjusted book value per share represents the company's inflation-adjusted book value per share over a 10-year period. View historical data on Paychex and its competitors.
Is Paychex's Cyclically Adjusted Book per Share too high?
Paychex's current Cyclically Adjusted Book per Share is R$24.64. Overall, Paychex has a GF Score™ of 85/100, reflecting its overall financial health beyond just this single metric.
How does Paychex's Cyclically Adjusted Book per Share compare to ROP and WDAY?
Paychex's Cyclically Adjusted Book per Share of R$24.64 can be compared against companies in the Software industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted Book per Share for a Software company?
A good Cyclically Adjusted Book per Share depends on the Software industry context. However, Cyclically Adjusted Book per Share should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Cyclically Adjusted Book per Share mean?
A high Cyclically Adjusted Book per Share can signal that a stock is expensive relative to its fundamentals. Cyclically adjusted book value per share represents the company's inflation-adjusted book value per share over a 10-year period. View historical data on Paychex and its competitors. Paychex's current Cyclically Adjusted Book per Share is R$24.64. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Paychex stock overvalued right now?
Paychex (BSP:P1AY34) has a current Cyclically Adjusted Book per Share of R$24.64. The stock's GF Value™ is R$395.66, compared to a current price of R$282.42 — trading 28.6% below its estimated fair value. The current Cyclically Adjusted Book per Share is R$24.64. Paychex's overall GF Score™ is 85/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted Book per Share calculated?
Cyclically Adjusted Book per Share is calculated from a company's financial statements. For Paychex (BSP:P1AY34), the current Cyclically Adjusted Book per Share is R$24.64 as of May. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Paychex (BSP:P1AY34) Overvalued in 2026?

Based on GuruFocus' analysis, Paychex stock appears to be undervalued. The current stock price of R$282.42 is trading 28.6% below its estimated GF Value™ of R$395.66.

Key valuation signals for BSP:P1AY34:

  • Cyclically Adjusted Book per Share: R$24.64
  • GF Value™: R$395.66 vs. price of R$282.42 (28.6% below fair value)
  • GF Score™: 85/100 with 3 warning signs

No single metric tells the full story. See the BSP:P1AY34 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Paychex Business Description

Address 911 Panorama Trail South, Rochester, NY, USA, 14625-2396
Paychex is a cloud-based human capital management provider offering payroll, compliance, talent management, benefits administration, and retirement services. The firm also provides HR outsourcing services, including professional employer organization, or PEO, offerings, enabling clients to reduce HR overhead. Paychex primarily targets small and midsize businesses, although its acquisition of Paycor in 2025 signals the firm's aspirations to expand into the midmarket segment, serving firms with more than 100 employees. As of fiscal 2025, Paychex has approximately 800,000 clients and manages payroll for one in 11 workers in the United States.
85GF Score

Get the complete analysis for BSP:P1AY34

Cyclically Adjusted Book per Share is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

R$282.42
Price
R$395.66
GF Value