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Video: Compound Annual Growth Rate (CAGR) Definition
AT Historical Price Range
Date Open High Low Close Volume
10/09/2026 $20.00 $20.05 $20.00 $20.02 1.30K
10/12/2026 $20.01 $20.01 $19.67 $19.67 5.00K
10/13/2026 $19.68 $19.79 $19.59 $19.75 2.10K
10/14/2026 $19.31 $19.38 $19.20 $19.21 3.60K
10/15/2026 $18.73 $18.76 $18.68 $18.76 3.40K
About Defiance Robotics Actuators Etf
Atlantic Power is a holding company. Through its subsidiaries, Co. is an independent power producer that owns power generation assets in the U.S. and Canada. Co.'s power generation projects sell electricity to utilities and other customers under long-term power purchase agreements (PPAs). Co. sells the majority of the capacity and energy from its power generation projects under PPAs to a variety of utilities and other parties. Co. operates and maintains the majority of its power generation projects. Co. also partners with providers in the independent power industry to operate and maintain its other projects, including CMS Energy Corporation, Heorot Power Management LLC and Purenergy LLC.
AT historical stock prices picture
Defiance Robotics Actuators Etf (AT) has the following price history information. Looking back at AT historical stock prices for the last five trading days, on October 09, 2026, AT opened at $20.00, traded as high as $20.05 and as low as $20.00, and closed at $20.02. Trading volume was a total of 1.30K shares. On October 12, 2026, AT opened at $20.01, traded as high as $20.01 and as low as $19.67, and closed at $19.67. Trading volume was a total of 5.00K shares. On October 13, 2026, AT opened at $19.68, traded as high as $19.79 and as low as $19.59, and closed at $19.75. Trading volume was a total of 2.10K shares. On October 14, 2026, AT opened at $19.31, traded as high as $19.38 and as low as $19.20, and closed at $19.21. Trading volume was a total of 3.60K shares. On October 15, 2026, AT opened at $18.73, traded as high as $18.76 and as low as $18.68, and closed at $18.76. Trading volume was a total of 3.40K shares.

AT Historical Stock Prices By Date:

AT historical cagr picture

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

Growth of $10,000.00
Without Dividends Reinvested
Start date: 09/15/2026
End date: 10/15/2026
Start price/share: $20.03
End price/share: $18.76
Dividends collected/share: $0.00
Total return: -6.34%
Annualized Gain: -77.14%
Starting investment: $10,000.00
Ending investment: $9,366.00
Years: 0.08
AT Historical Closing Prices
Date Close
10/09/2026$20.02
10/12/2026$19.67
10/13/2026$19.75
10/14/2026$19.21
10/15/2026$18.76
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Also explore: AT shares outstanding history

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