Stock listing
NASDAQ:ACFN Acorn Energy, Inc. Stock
Home listing (NASDAQ) of Acorn Energy, Inc.
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Share price · NASDAQ:ACFN
$18.32 USD -0.08 (-0.4%)
Close on Oct 20, 2026
- Day range
- $18.17 – $18.73 USDOct 20, 2026
- Volume
- 129,163 sharesOct 20, 2026
- Market cap
- $46.44M USDAt the close on Oct 20, 2026 · price × 2.53M shares outstanding
- 52-week range
- $12.42 – $27.05 USDLowest and highest trades, Oct 21, 2025 – Oct 20, 2026
Prices by listing
| Listing | Last | Change | Volume | Open | High | Low | Previous close | Price from |
|---|---|---|---|---|---|---|---|---|
| NASDAQ:ACFN · Home | $18.32 USD | -0.08 (-0.4%) | 129,163 | $18.25 | $18.73 | $18.17 | $18.40 | Close on Oct 20, 2026 |
Daily closes
Last 3 months, Jul 20, 2026 – Oct 20, 2026 · NASDAQ:ACFN · USD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $18.32 | -0.08 | -0.4% | $18.25 | $18.73 | $18.17 | 129,163 | |
| $18.40 | +0.07 | +0.4% | $18.34 | $19.18 | $18.34 | 35,924 | |
| $18.33 | -0.41 | -2.2% | $18.85 | $19.03 | $18.33 | 17,083 | |
| $18.74 | -0.10 | -0.5% | $18.62 | $19.50 | $18.48 | 54,320 | |
| $18.84 | +0.69 | +3.8% | $18.04 | $19.44 | $17.90 | 110,298 | |
| $18.15 | -0.38 | -2.1% | $18.90 | $18.97 | $18.00 | 21,500 | |
| $18.53 | -0.16 | -0.9% | $19.15 | $19.39 | $18.50 | 56,200 | |
| $18.69 | -0.32 | -1.7% | $19.10 | $19.10 | $18.53 | 4,100 | |
| $19.01 | +0.31 | +1.7% | $18.66 | $19.43 | $18.34 | 28,500 | |
| $18.70 | +0.20 | +1.1% | $18.30 | $19.10 | $18.15 | 48,300 | |
| $18.50 | -0.22 | -1.2% | $18.75 | $19.46 | $18.50 | 39,700 | |
| $18.72 | -0.30 | -1.6% | $18.80 | $19.08 | $18.44 | 16,200 | |
| $19.02 | -0.33 | -1.7% | $19.40 | $19.79 | $19.02 | 4,800 | |
| $19.35 | -0.65 | -3.2% | $19.23 | $20.07 | $19.21 | 34,100 | |
| $20.00 | +0.06 | +0.3% | $19.79 | $20.43 | $19.01 | 102,900 | |
| $19.94 | -0.36 | -1.8% | $20.92 | $20.92 | $19.68 | 58,900 | |
| $20.30 | -0.69 | -3.3% | $20.30 | $20.68 | $20.01 | 9,800 | |
| $20.99 | +0.19 | +0.9% | $20.63 | $22.02 | $20.63 | 43,400 | |
| $20.80 | +0.06 | +0.3% | $21.00 | $21.01 | $20.22 | 9,300 | |
| $20.74 | -0.34 | -1.6% | $21.04 | $21.16 | $20.23 | 50,800 | |
| $21.08 | +0.28 | +1.3% | $21.19 | $21.49 | $20.61 | 122,800 | |
| $20.80 | -1.41 | -6.3% | $22.12 | $22.30 | $20.65 | 158,200 | |
| $22.21 | +0.90 | +4.2% | $21.53 | $22.30 | $21.26 | 25,200 | |
| $21.31 | +0.53 | +2.6% | $21.19 | $21.49 | $21.03 | 11,300 | |
| $20.78 | +0.48 | +2.4% | $20.45 | $20.97 | $19.28 | 78,600 | |
| $20.30 | -0.31 | -1.5% | $20.60 | $20.87 | $19.92 | 28,300 | |
| $20.61 | -1.01 | -4.7% | $21.37 | $21.61 | $20.27 | 16,100 | |
| $21.62 | +0.65 | +3.1% | $20.92 | $21.76 | $20.38 | 97,200 | |
| $20.97 | +1.97 | +10.4% | $19.30 | $21.01 | $18.79 | 85,500 | |
| $19.00 | -0.50 | -2.6% | $19.23 | $19.50 | $18.94 | 35,900 | |
| $19.50 | +0.47 | +2.5% | $18.80 | $19.59 | $18.49 | 91,500 | |
| $19.03 | +0.27 | +1.4% | $18.95 | $19.36 | $18.10 | 109,100 | |
| $18.76 | -0.77 | -3.9% | $19.70 | $20.31 | $18.60 | 120,400 | |
| $19.53 | +0.36 | +1.9% | $18.80 | $19.80 | $18.80 | 110,900 | |
| $19.17 | +0.03 | +0.2% | $19.16 | $19.60 | $18.48 | 110,300 | |
| $19.14 | -0.59 | -3.0% | $18.96 | $20.09 | $18.96 | 39,200 | |
| $19.73 | -0.92 | -4.5% | $20.58 | $21.20 | $19.70 | 22,200 | |
| $20.65 | -0.45 | -2.1% | $21.49 | $21.49 | $20.65 | 10,300 | |
| $21.10 | +0.87 | +4.3% | $20.33 | $21.21 | $19.71 | 62,200 | |
| $20.23 | -0.77 | -3.7% | $21.15 | $21.38 | $19.57 | 241,200 | |
| $21.00 | +2.19 | +11.6% | $18.48 | $21.00 | $17.68 | 30,200 | |
| $18.81 | -0.44 | -2.3% | $18.75 | $19.27 | $18.45 | 67,500 | |
| $19.25 | +0.07 | +0.4% | $19.26 | $19.31 | $18.45 | 39,200 | |
| $19.18 | -0.25 | -1.3% | $19.50 | $19.98 | $19.18 | 23,000 | |
| $19.43 | -0.05 | -0.3% | $19.44 | $19.50 | $19.21 | 3,400 | |
| $19.48 | +0.08 | +0.4% | $19.50 | $20.25 | $19.19 | 6,600 | |
| $19.40 | +0.92 | +5.0% | $18.38 | $19.48 | $18.28 | 87,900 | |
| $18.48 | +0.11 | +0.6% | $18.06 | $18.79 | $17.80 | 32,900 | |
| $18.37 | +0.40 | +2.2% | $17.97 | $18.40 | $17.56 | 60,000 | |
| $17.97 | -0.41 | -2.2% | $18.07 | $18.49 | $17.49 | 41,400 | |
| $18.38 | -0.62 | -3.3% | $18.80 | $19.15 | $17.87 | 30,500 | |
| $19.00 | +0.05 | +0.3% | $18.20 | $19.52 | $17.71 | 130,800 | |
| $18.95 | -0.20 | -1.0% | $17.75 | $19.42 | $17.01 | 25,600 | |
| $19.15 | +0.95 | +5.2% | $18.22 | $21.13 | $18.00 | 334,900 | |
| $18.20 | -0.46 | -2.5% | $18.72 | $19.46 | $18.02 | 16,500 | |
| $18.66 | -0.19 | -1.0% | $19.50 | $20.00 | $18.21 | 23,400 | |
| $18.85 | -0.81 | -4.1% | $18.79 | $19.13 | $18.75 | 10,200 | |
| $19.66 | +0.91 | +4.9% | $19.66 | $19.66 | $19.66 | 900 | |
| $18.75 | -0.45 | -2.3% | $20.00 | $20.05 | $18.75 | 6,300 | |
| $19.20 | -1.00 | -5.0% | $19.87 | $19.87 | $19.01 | 3,700 | |
| $20.20 | -0.20 | -1.0% | $20.52 | $20.52 | $19.37 | 15,100 | |
| $20.40 | -0.10 | -0.5% | $20.68 | $20.72 | $20.40 | 3,000 | |
| $20.50 | -0.54 | -2.6% | $20.88 | $20.88 | $20.50 | 3,000 | |
| $21.04 | +0.84 | +4.2% | $20.36 | $21.16 | $20.36 | 6,100 | |
| $20.20 | +0.16 | +0.8% | $20.10 | $20.46 | $19.36 | 4,000 | |
| $20.04 | -0.14 | -0.7% | $20.39 | $20.39 | $19.79 | 3,800 |
- Ticker
- NASDAQ:ACFN
- Asset type
- Stock
- Exchange
- NASDAQ
- Currency
- USD
What changed lately
Latest news release · Sep 14, 2026
Acorn Provides Online Access Information for its Annual Meeting and Investor Q&A on Wednesday, September 16th at 1pm ET
Latest earnings call · Aug 6, 2026
Acorn Energy (NASDAQ:ACFN) Q2 2026 Earnings Call
Replay and transcript
Latest deck · Aug 6, 2026
Q2 2026 Earnings Presentation
Earnings · 6 slides
Calls
Replays
Acorn Energy (NASDAQ:ACFN) Q2 2026 Earnings Call
Thu, Aug 06, 2026 · 11:00 AM ET
Watch TranscriptAcorn Energy (NASDAQ:ACFN) Q1 2026 Earnings Call
Thu, May 07, 2026 · 11:00 AM ET
Watch TranscriptAcorn Energy (NASDAQ:ACFN) Q4 2025 Earnings Call
Thu, Mar 05, 2026 · 11:00 AM ET
Watch Transcript
Latest news
Acorn Provides Online Access Information for its Annual Meeting and Investor Q&A on Wednesday, September 16th at 1pm ET
Sep 14, 2026
Closed $20.61 (-4.7%) on Sep 14, 2026
Acorn’s OmniMetrix Subsidiary Expands Remote Monitoring Customer Base and Dealer Network Through Accretive Acquisition of Gen-Tracker
Sep 10, 2026
Closed $20.97 (+10.4%) on Sep 10, 2026
Acorn Secures 100% Ownership of OmniMetrix Subsidiary via Purchase of Remaining 1% Stake
Aug 18, 2026
Closed $19.43 (-0.3%) on Aug 18, 2026
Acorn’s Q2 EPS of $0.12 Reflects Increasing High-Margin, Recurring Monitoring Revenue; Growth Initiatives Include New Generator Partnership and OMNI360 Launch
Aug 6, 2026
Closed $18.95 (-1.0%) on Aug 6, 2026
Acorn – Provider of Monitoring and Control Solutions for Mission-Critical Assets Hosts Q2 Earnings Call Thursday Aug. 6th at 11am ET
Jul 31, 2026
Closed $18.85 (-4.1%) on Jul 31, 2026
Infrastructure Monitoring and Control Provider Acorn to Webcast Investor Presentation at Planet MicroCap Las Vegas Powered by MicroCapClub Conference Wed. June 17 at 12: 30 PT
Jun 9, 2026
Closed $16.07 (-1.0%) on Jun 9, 2026
Q1 2026 Earnings Conference Call
May 8, 2026
Closed $17.07 (+1.8%) on May 8, 2026
Acorn Reports Q1 Revenue of $2.2M with Steady Growth in High Margin, Recurring Remote Monitoring and Control Revenue; Investor Call Today at 11am ET
May 7, 2026
Closed $16.76 (-13.4%) on May 7, 2026
Decks
Q2 2026 Earnings Presentation
Earnings · 6 slides · Aug 6, 2026
Investor Presentation (June 2026)
Investor deck · 20 slides · June 2026
Q1 2026 Earnings Presentation
Earnings · 6 slides · May 7, 2026
LD Micro Invitational 2018
Conference · 18 slides · Jun 5, 2018
Acorn Energy, Inc. on 6ix
- News releases
- 14 in the last 12 months · 33 in all · newest Sep 14, 2026 · oldest 2019
- Calls
- 27 calls with a replay · 27 with a transcript · latest Aug 6, 2026
- Decks
- 4 decks · latest Aug 6, 2026
Where Acorn Energy, Inc. is listed
| Listing | Exchange | Country | Currency |
|---|---|---|---|
| NASDAQ:ACFN · Home listing · This page | NASDAQ | United States | USD |
| BOATS:ACFN | BOATS | United States | USD |
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