Historical Stock Price
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Video: Compound Annual Growth Rate (CAGR) Definition
Date Open High Low Close Volume
10/09/2026 $104.84 $105.66 $103.89 $103.98 1.98M
10/12/2026 $104.52 $104.99 $103.74 $104.64 1.75M
10/13/2026 $105.38 $106.57 $104.85 $106.25 2.02M
10/14/2026 $106.69 $108.40 $106.25 $108.37 2.72M
10/15/2026 $110.36 $112.50 $110.36 $110.78 4.00M
Paychex, Inc. is a provider of human capital management solutions for human resources (HR), payroll, benefits and insurance services for small-to-medium-sized businesses and their employees across the U.S. and parts of Europe. Co. offers a portfolio of HCM technology and HR advisory solutions that help its clients navigate the challenges of HR. Its clients have the option of doing payroll online using its software as a service (SaaS) technology, outsourcing to its payroll specialists, or using a combination of those solutions. Payroll is integrated with HCM software modules for clients who have more complex HR needs.
PAYX historical stock prices picture
Paychex (PAYX) has the following price history information. Looking back at PAYX historical stock prices for the last five trading days, on October 09, 2026, PAYX opened at $104.84, traded as high as $105.66 and as low as $103.89, and closed at $103.98. Trading volume was a total of 1.98M shares. On October 12, 2026, PAYX opened at $104.52, traded as high as $104.99 and as low as $103.74, and closed at $104.64. Trading volume was a total of 1.75M shares. On October 13, 2026, PAYX opened at $105.38, traded as high as $106.57 and as low as $104.85, and closed at $106.25. Trading volume was a total of 2.02M shares. On October 14, 2026, PAYX opened at $106.69, traded as high as $108.40 and as low as $106.25, and closed at $108.37. Trading volume was a total of 2.72M shares. On October 15, 2026, PAYX opened at $110.36, traded as high as $112.50 and as low as $110.36, and closed at $110.78. Trading volume was a total of 4.00M shares.

PAYX Historical Stock Prices By Date:

PAYX historical cagr picture

Below, we examine the compound annual growth rate — CAGR for short — of an investment into Paychex shares, starting with a $10,000 purchase of PAYX, and working forward through the historical stock price information to today.

Growth of $10,000.00
With Dividends Reinvested

Start date: 10/18/2016
End date: 10/15/2026
Start price/share: $56.14
End price/share: $110.78
Starting shares: 178.13
Ending shares: 242.94
Dividends reinvested/share: $30.06
Total return: 169.12%
Average Annual Total Return: 10.41%
Starting investment: $10,000.00
Ending investment: $26,913.26
Years: 10.00
 
Growth of $10,000.00
Without Dividends Reinvested

Start date: 10/18/2016
End date: 10/15/2026
Start price/share: $56.14
End price/share: $110.78
Dividends collected/share: $30.06
Total return: 150.87%
Average Annual Total Return: 9.64%
Starting investment: $10,000.00
Ending investment: $25,094.63
Years: 10.00
Date Close
10/09/2026$103.98
10/12/2026$104.64
10/13/2026$106.25
10/14/2026$108.37
10/15/2026$110.78
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Also explore: PAYX shares outstanding history

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