Acorn Energy (ACFN) Stock: Why It's Down Today
Updated Oct 20, 2026, 4:00 PM ET · closing price
- Latest (Nasdaq last sale, Oct 21, 7:05 AM ET): $18.32, −$0.08 (-0.43%).
- Earnings: latest quarter in SEC XBRL filings (ended Jun 30, 2026): diluted EPS $0.12; revenue $2.5M, -29.4% year over year; next earnings Thu Nov 5. Sources: SEC EDGAR XBRL, Nasdaq earnings calendar.
Sector peers moving today (Business & Consumer Services):LION +14.41%EQPT +11.83%EFX +11.33%SPHR +9.67%KPLT +9.49%
- Closed at $18.32, -0.43% vs the prior close of $18.40.
- Volume 129.20K shares, 2.4x its 50-day average (heavy).
- No new SEC filings since the prior session.
- No new insider buys or sales reported since the prior session.
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ACFN dips 0.4% to $18.32 on 2.4x normal volume. Closed at $18.32, -0.43% vs the prior close of $18.40. Day range $18.17–$18.74, opened at $18.25.
ACFN daily analysis — what happened
A plain-English, data-only note for every US trading day (today's note updates every 2 hours while the market is open). Newest first; older days stay archived below.
Oct 20, 2026 — ACFN dips 0.4% to $18.32 on 2.4x normal volume
- Closed at $18.32, -0.43% vs the prior close of $18.40. Day range $18.17–$18.74, opened at $18.25.
- Volume was 129.20K shares, 2.4x its 50-day average of 54.90K — unusually heavy trading.
- Price is -6.6% vs its 50-day average ($19.62) and -1.4% vs its 200-day average ($18.57).
- 52-week range $12.42–$27.05; today's close sits at 40% of that range, 32.3% below the 52-week high.
Oct 19, 2026 — ACFN rises 0.4% to $18.40
- Closed at $18.40, +0.38% vs the prior close of $18.33. Day range $18.37–$19.18, opened at $18.55.
- Volume was 35.57K shares, 0.6x its 50-day average of 56.80K.
- Price is -6.2% vs its 50-day average ($19.62) and -0.9% vs its 200-day average ($18.56).
- 52-week range $12.42–$27.05; today's close sits at 41% of that range, 32.0% below the 52-week high.
Oct 16, 2026 — ACFN dips 2.2% to $18.33
- Closed at $18.33, -2.19% vs the prior close of $18.74. Day range $18.33–$19.03, opened at $18.85.
- Volume was 17.08K shares, 0.3x its 50-day average of 56.97K — lighter than usual.
- Price is -6.6% vs its 50-day average ($19.63) and -1.1% vs its 200-day average ($18.54).
- 52-week range $12.42–$27.05; today's close sits at 40% of that range, 32.2% below the 52-week high.
Oct 15, 2026 — ACFN dips 0.5% to $18.74
- Closed at $18.74, -0.53% vs the prior close of $18.84. Day range $18.48–$19.50, opened at $18.62.
- Volume was 54.30K shares, 0.9x its 50-day average of 62.58K.
- Price is -4.6% vs its 50-day average ($19.64) and +1.2% vs its 200-day average ($18.53).
- 52-week range $12.42–$27.05; today's close sits at 43% of that range, 30.7% below the 52-week high.
Oct 14, 2026 — ACFN jumps 3.8% to $18.84 on 1.8x normal volume
- Closed at $18.84, +3.80% vs the prior close of $18.15. Day range $17.90–$19.44, opened at $18.04.
- Volume was 110.30K shares, 1.8x its 50-day average of 60.71K — unusually heavy trading.
- Price is -4.1% vs its 50-day average ($19.65) and +1.8% vs its 200-day average ($18.51).
- 52-week range $12.42–$27.05; today's close sits at 44% of that range, 30.4% below the 52-week high.
Oct 13, 2026 — ACFN dips 2.1% to $18.15, a 1-month low, 3 down days in a row
- Closed at $18.15, -2.05% vs the prior close of $18.53. Day range $18.00–$18.97, opened at $18.90.
- Volume was 21.50K shares, 0.4x its 50-day average of 60.74K — lighter than usual.
- Price is -7.6% vs its 50-day average ($19.64) and -1.8% vs its 200-day average ($18.49).
- 52-week range $12.42–$27.05; today's close sits at 39% of that range, 32.9% below the 52-week high.
- That makes 3 straight losses.
Oct 12, 2026 — ACFN dips 0.9% to $18.53
- Closed at $18.53, -0.86% vs the prior close of $18.69. Day range $18.50–$19.39, opened at $19.15.
- Volume was 56.20K shares, 0.9x its 50-day average of 59.82K.
- Price is -5.7% vs its 50-day average ($19.65) and +0.3% vs its 200-day average ($18.48).
- 52-week range $12.42–$27.50; today's close sits at 41% of that range, 32.6% below the 52-week high.
Oct 9, 2026 — ACFN dips 1.7% to $18.69
- Closed at $18.69, -1.68% vs the prior close of $19.01. Day range $18.53–$19.10, opened at $19.10.
- Volume was 4.10K shares, 0.1x its 50-day average of 59.76K — lighter than usual.
- Price is -4.9% vs its 50-day average ($19.66) and +1.2% vs its 200-day average ($18.46).
- 52-week range $12.42–$27.50; today's close sits at 42% of that range, 32.0% below the 52-week high.
Oct 8, 2026 — ACFN rises 1.7% to $19.01
- Closed at $19.01, +1.66% vs the prior close of $18.70. Day range $18.34–$19.43, opened at $18.66.
- Volume was 28.50K shares, 0.5x its 50-day average of 59.32K — lighter than usual.
- Price is -3.4% vs its 50-day average ($19.68) and +3.1% vs its 200-day average ($18.45).
- 52-week range $12.42–$27.71; today's close sits at 43% of that range, 31.4% below the 52-week high.
Oct 7, 2026 — ACFN rises 1.1% to $18.70
- Closed at $18.70, +1.08% vs the prior close of $18.50. Day range $18.15–$19.10, opened at $18.30.
- Volume was 48.30K shares, 0.8x its 50-day average of 58.42K.
- Price is -4.9% vs its 50-day average ($19.67) and +1.5% vs its 200-day average ($18.43).
- 52-week range $12.42–$27.86; today's close sits at 41% of that range, 32.9% below the 52-week high.
Oct 6, 2026 — ACFN dips 1.2% to $18.50, a 1-month low, 4 down days in a row
- Closed at $18.50, -1.18% vs the prior close of $18.72. Day range $18.50–$19.46, opened at $18.75.
- Volume was 39.70K shares, 0.7x its 50-day average of 57.93K.
- Price is -6.0% vs its 50-day average ($19.68) and +0.5% vs its 200-day average ($18.41).
- 52-week range $12.42–$29.55; today's close sits at 35% of that range, 37.4% below the 52-week high.
- That makes 4 straight losses.
Oct 5, 2026 — ACFN dips 1.6% to $18.72, a 1-month low, 3 down days in a row
- Closed at $18.72, -1.58% vs the prior close of $19.02. Day range $18.44–$19.08, opened at $18.80.
- Volume was 16.20K shares, 0.3x its 50-day average of 57.67K — lighter than usual.
- Price is -5.0% vs its 50-day average ($19.71) and +1.8% vs its 200-day average ($18.39).
- 52-week range $12.42–$29.93; today's close sits at 36% of that range, 37.5% below the 52-week high.
- That makes 3 straight losses.
Oct 2, 2026 — ACFN dips 1.7% to $19.02
- Closed at $19.02, -1.71% vs the prior close of $19.35. Day range $19.02–$19.79, opened at $19.40.
- Volume was 4.80K shares, 0.1x its 50-day average of 57.63K — lighter than usual.
- Price is -3.7% vs its 50-day average ($19.75) and +3.5% vs its 200-day average ($18.37).
- 52-week range $12.42–$29.93; today's close sits at 38% of that range, 36.5% below the 52-week high.
ACFN bull case vs bear case (from the data)
- Annual revenue grew 4.5% in the latest fiscal year (SEC XBRL).
- Latest fiscal-year net income: profit of $2.51M.
- Price is -6.6% vs its 50-day average — short-term trend is down.
- Price is -1.4% vs its 200-day average — below the long-term trend line.
- Thin trading (under $2M a day on average) can mean wide bid/ask spreads.
ACFN latest news & SEC filings
Every SEC filing by or about ACFN in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.
Sep 18, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 5.02 — Change in directors or officers (appointment, departure or pay).
- Item 5.07 — Reported shareholder vote results.
Sep 10, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 1.01 — Signed a material agreement.
Aug 18, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 1.01 — Signed a material agreement.
Aug 6, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 2.02 — Reported results of operations (earnings release).
This is a results-day filing: the earnings press release is attached as an exhibit.
Aug 6, 2026 · Form 10-Q — Quarterly report
Quarterly report (unaudited financial statements for the quarter)
Quarter ended Jun 30, 2026:
- Revenue: $2.49M (prior year $3.52M) (-29.4% vs Jun 30, 2025)
- Net income: $294.00K (prior year $720.00K) (-59.2% vs Jun 30, 2025)
- Diluted EPS: $0.12 (prior year $0.28) (-57.1% vs Jun 30, 2025)
Aug 3, 2026 · Form DEF 14A — Proxy statement
Proxy statement — agenda for the shareholder meeting (board elections, executive pay, votes)
Jun 24, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Things to know before you trade ACFN
- Last results release: Aug 6, 2026 (8-K Item 2.02). Previous ones: May 7, 2026, Mar 5, 2026, Nov 6, 2025. Based on that rhythm, the next report is likely around Nov 5, 2026 — an estimate, not a confirmed date.
- How much it moves: over the last 20 sessions the average daily move was 1.53% (largest 3.8%).
- Liquidity: about 43.77K shares (≈$801.77K) trade per day on average. Thin volume can mean wider bid/ask spreads.
- 52-week position: $18.32 vs a range of $12.42–$27.05 (40% of the range).
- Dividends: no cash dividends in the last 2 years.
- Splits: none in the last 2 years.
- Insider trades (Form 4, last 12 months, recent 25 shown): 0 open-market buys, 0 sales.
- Latest filings: 8-K Sep 18, 2026; 8-K Sep 10, 2026; 8-K Aug 18, 2026.
- Share count: 2.51M shares outstanding (Aug 4, 2026), +0.3% vs a year earlier.
- Listing: Nasdaq · industry: Services-Engineering Services.
ACFN market data (last 20 sessions)
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 20, 2026 | 18.25 | 18.74 | 18.17 | 18.32 | 129.20K |
| Oct 19, 2026 | 18.34 | 19.18 | 18.34 | 18.40 | 35.90K |
| Oct 16, 2026 | 18.85 | 19.03 | 18.33 | 18.33 | 17.10K |
| Oct 15, 2026 | 18.62 | 19.50 | 18.48 | 18.74 | 54.30K |
| Oct 14, 2026 | 18.04 | 19.44 | 17.90 | 18.84 | 110.30K |
| Oct 13, 2026 | 18.90 | 18.97 | 18.00 | 18.15 | 21.50K |
| Oct 12, 2026 | 19.15 | 19.39 | 18.50 | 18.53 | 56.20K |
| Oct 9, 2026 | 19.10 | 19.10 | 18.53 | 18.69 | 4.10K |
| Oct 8, 2026 | 18.66 | 19.43 | 18.34 | 19.01 | 28.50K |
| Oct 7, 2026 | 18.30 | 19.10 | 18.15 | 18.70 | 48.30K |
| Oct 6, 2026 | 18.75 | 19.46 | 18.50 | 18.50 | 39.70K |
| Oct 5, 2026 | 18.80 | 19.08 | 18.44 | 18.72 | 16.20K |
| Oct 2, 2026 | 19.40 | 19.79 | 19.02 | 19.02 | 4.80K |
| Oct 1, 2026 | 19.23 | 20.07 | 19.21 | 19.35 | 34.10K |
| Sep 30, 2026 | 19.79 | 20.43 | 19.01 | 20.00 | 102.90K |
| Sep 29, 2026 | 20.92 | 20.92 | 19.68 | 19.94 | 58.90K |
| Sep 28, 2026 | 20.30 | 20.68 | 20.01 | 20.30 | 9.80K |
| Sep 25, 2026 | 20.63 | 22.02 | 20.63 | 20.99 | 43.40K |
| Sep 24, 2026 | 21.00 | 21.01 | 20.22 | 20.80 | 9.30K |
| Sep 23, 2026 | 21.04 | 21.16 | 20.23 | 20.74 | 50.80K |
About Acorn Energy
Acorn Energy (ACFN) is listed on the Nasdaq and classified by the SEC under “Services-Engineering Services”. Its business address is in WILMINGTON, DE. State of incorporation: DE. Fiscal year ends December 31. SEC CIK 880984.
ACFN board of directors & executives
From SEC Form 3/4/5 insider filings made in the last 12 months (date = latest filing).
Directors
| Name | Role | Latest filing |
|---|---|---|
| Jan H Loeb | President and CEO | Jan 21, 2026 |
| Gary Mohr | Director | Feb 9, 2026 |
| Michael Osterer | Director | Feb 9, 2026 |
| Peter Rabover | Director | Jan 21, 2026 |
| Samuel M Zentman | Director | Feb 9, 2026 |
Executive officers
| Name | Title | Latest filing |
|---|---|---|
| Tracy Simmons Clifford | Chief Financial Officer | Jun 24, 2026 |
| Jan H Loeb | President and CEO | Jan 21, 2026 |
Recent insider buys & sales
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| No open-market insider buys or sales reported in the last 12 months. | ||||
ACFN financials (annual, from XBRL filings)
| Fiscal year end | Revenue | Net income | Diluted EPS | Operating cash flow |
|---|---|---|---|---|
| Dec 31, 2025 | $11.48M | $2.51M | 0.99 | $2.09M |
| Dec 31, 2024 | $10.99M | $6.29M | 2.51 | $905.00K |
| Dec 31, 2023 | $8.06M | $119.00K | 0.05 | $72.00K |
| Dec 31, 2022 | $7.00M | $-633.00K | -0.25 | $31.00K |
| Dec 31, 2021 | $6.78M | $-21.00K | — | $132.00K |
Latest balance sheet: total assets $13.39M, total liabilities $4.54M, cash $4.48M (as of Jun 30, 2026).
ACFN earnings / results-day log
| Date | Filing | Close that day |
|---|---|---|
| Aug 6, 2026 | 8-K Item 2.02 (results) | $18.95 |
| May 7, 2026 | 8-K Item 2.02 (results) | $16.76 |
| Mar 5, 2026 | 8-K Item 2.02 (results) | $18.32 |
| Nov 6, 2025 | 8-K Item 2.02 (results) | $14.20 |
| Aug 7, 2025 | 8-K Item 2.02 (results) | $30.16 |
| May 8, 2025 | 8-K Item 2.02 (results) | $17.85 |
| Mar 6, 2025 | 8-K Item 2.02 (results) | $18.39 |
| Nov 7, 2024 | 8-K Item 2.02 (results) | $15.81 |
| Aug 8, 2024 | 8-K Item 2.02 (results) | — |
| May 9, 2024 | 8-K Item 2.02 (results) | — |
| Mar 7, 2024 | 8-K Item 2.02 (results) | — |
| Nov 9, 2023 | 8-K Item 2.02 (results) | — |
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Information only, not investment advice. BuyMeWhiskey is not a registered investment adviser or broker-dealer; nothing here is a recommendation to buy, sell or hold any security, and there are no price targets. Data comes from SEC EDGAR filings and public end-of-day market data and may be delayed or contain errors. Verify with the company's filings before making decisions. Prices: end-of-day data as of Oct 20, 2026, 4:00 PM ET. Filings: SEC EDGAR. Refreshed every 2 hours during US market hours.