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Date Open High Low Close Volume
12/01/2025 $14.50 $14.88 $14.10 $14.37 5.70K
12/02/2025 $14.91 $15.50 $14.40 $15.21 15.10K
12/03/2025 $15.59 $16.54 $15.00 $15.94 63.70K
12/04/2025 $15.93 $16.89 $15.89 $16.52 32.40K
12/05/2025 $16.68 $16.68 $15.00 $15.00 16.80K
Acorn Energy, Inc. is a holding company. Co. is focused on providing technology solutions for energy infrastructure asset management. Co. provides products and Internet of Things (IoT) applications and services through its OmniMetrix, LLC (OmniMetrix) subsidiary: Power Generation (PG) and Cathodic Protection (CP). The Power Generation segment services provide wireless remote monitoring and control systems and IoT applications for residential and commercial/industrial power generation equipment. The PG segment includes its AIRGuard product, which remotely monitors and controls industrial air compressors, and its Smart Annunciator product.
ACFN historical stock prices picture
Acorn Energy (ACFN) has the following price history information. Looking back at ACFN historical stock prices for the last five trading days, on December 01, 2025, ACFN opened at $14.50, traded as high as $14.88 and as low as $14.10, and closed at $14.37. Trading volume was a total of 5.70K shares. On December 02, 2025, ACFN opened at $14.91, traded as high as $15.50 and as low as $14.40, and closed at $15.21. Trading volume was a total of 15.10K shares. On December 03, 2025, ACFN opened at $15.59, traded as high as $16.54 and as low as $15.00, and closed at $15.94. Trading volume was a total of 63.70K shares. On December 04, 2025, ACFN opened at $15.93, traded as high as $16.89 and as low as $15.89, and closed at $16.52. Trading volume was a total of 32.40K shares. On December 05, 2025, ACFN opened at $16.68, traded as high as $16.68 and as low as $15.00, and closed at $15.00. Trading volume was a total of 16.80K shares.

ACFN Historical Stock Prices By Date:

ACFN historical cagr picture

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

Growth of $10,000.00
Without Dividends Reinvested

Start date: 12/09/2015
End date: 12/05/2025
Start price/share: $0.17
End price/share: $15.00
Dividends collected/share: $0.00
Total return: 8,723.53%
Average Annual Total Return: 56.54%
Starting investment: $10,000.00
Ending investment: $882,510.89
Years: 10.00
Date Close
12/01/2025$14.37
12/02/2025$15.21
12/03/2025$15.94
12/04/2025$16.52
12/05/2025$15.00
ACFN is categorized under the Technology sector; below are some other companies in the same sector:

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Also explore: ACFN shares outstanding history

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