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Video: Compound Annual Growth Rate (CAGR) Definition
PNW Historical Price Range
Date Open High Low Close Volume
04/13/2026 $103.60 $103.88 $101.91 $102.63 788.40K
04/14/2026 $102.22 $103.22 $101.38 $102.69 1.15M
04/15/2026 $102.05 $103.32 $101.33 $102.80 1.24M
04/16/2026 $102.57 $104.30 $102.57 $104.17 1.32M
04/17/2026 $103.79 $104.31 $102.96 $104.04 1.24M
About Pinnacle West Capital
Pinnacle West Capital Corporation is an energy holding company that conducts business through its subsidiaries, Arizona Public Service Co. (APS), El Dorado Investment Co. (El Dorado) and Pinnacle West Power, LLC. Co.'s business segment is its regulated electricity segment, which consists of traditional regulated retail and wholesale electricity businesses (primarily electric service to Native Load customers) and related activities, and includes electricity generation, transmission, and distribution. APS provides electric service to approximately 1.4 million customers.
PNW historical stock prices picture
Pinnacle West Capital (PNW) has the following price history information. Looking back at PNW historical stock prices for the last five trading days, on April 13, 2026, PNW opened at $103.60, traded as high as $103.88 and as low as $101.91, and closed at $102.63. Trading volume was a total of 788.40K shares. On April 14, 2026, PNW opened at $102.22, traded as high as $103.22 and as low as $101.38, and closed at $102.69. Trading volume was a total of 1.15M shares. On April 15, 2026, PNW opened at $102.05, traded as high as $103.32 and as low as $101.33, and closed at $102.80. Trading volume was a total of 1.24M shares. On April 16, 2026, PNW opened at $102.57, traded as high as $104.30 and as low as $102.57, and closed at $104.17. Trading volume was a total of 1.32M shares. On April 17, 2026, PNW opened at $103.79, traded as high as $104.31 and as low as $102.96, and closed at $104.04. Trading volume was a total of 1.24M shares.

PNW Historical Stock Prices By Date:

PNW historical cagr picture

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

Growth of $10,000.00
With Dividends Reinvested
Start date: 04/20/2016
End date: 04/17/2026
Start price/share: $72.91
End price/share: $104.04
Starting shares: 137.16
Ending shares: 203.19
Dividends reinvested/share: $31.83
Total return: 111.40%
Average Annual Total Return: 7.78%
Starting investment: $10,000.00
Ending investment: $21,149.14
Years: 10.00
 
Growth of $10,000.00
Without Dividends Reinvested
Start date: 04/20/2016
End date: 04/17/2026
Start price/share: $72.91
End price/share: $104.04
Dividends collected/share: $31.83
Total return: 86.36%
Average Annual Total Return: 6.42%
Starting investment: $10,000.00
Ending investment: $18,627.67
Years: 10.00
PNW Historical Closing Prices
Date Close
04/13/2026$102.63
04/14/2026$102.69
04/15/2026$102.80
04/16/2026$104.17
04/17/2026$104.04
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Also explore: PNW shares outstanding history

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