Nasdaq · ACFN · stock
Acorn Energy, INC. (ACFN) stock price history
Every Nasdaq trading session of Acorn Energy, INC. from Feb 11, 1992 to Nov 12, 2026: 8,751 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.
ACFN adjusted close, 1992 to 2026
- $233.54
- All time high, 1993
- $23.75
- 52 week high, $12.42 low
- 8,751
- Daily sessions since 1992
Last updated Nov 12, 2026, the last stored session. Refreshes after each trading day. Full 1992 to 2026 series and minute bars.
ACFN key facts
- Acorn Energy, INC. (ACFN) closed at $15.25 on Nov 12, 2026 on Nasdaq.
- ACFN's all time high close is $233.54, set on Jul 7, 1993; its all time low close is $1.28 on Jan 12, 2016.
- ACFN's 52 week range is $12.42 to $23.75.
- ACFN returned +5.1% over the year to Nov 12, 2026 and +61.5% over five years.
- Over ten years ACFN returned +402%, +17.5% a year compounded.
- ACFN's deepest drawdown was -99.5% from Jul 7, 1993 to Jan 12, 2016.
- DataCedar holds 8,751 daily sessions of ACFN history from Feb 11, 1992 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
ACFN price chart, 1992 to 2026
ACFN returns
Price return from the last close on or before the window start to Nov 12, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -17.7% |
| 3 months | -17.0% |
| 6 months | -9.1% |
| Year to date | +2.1% |
| 1 year | +5.1% |
| 3 years | +127.6% |
| 5 years | +61.5% |
| 10 years | +401.6% |
| Since Feb 11, 1992 | -80.5% |
| Compound annual growth, 34.8 years | -4.6% |
ACFN records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $233.54 on Jul 7, 1993
- All time low close
- $1.28 on Jan 12, 2016
- 52 week high
- $23.75 on Mar 2, 2026
- 52 week low
- $12.42 on Nov 24, 2025
- Deepest drawdown
- -99.5% from Jul 7, 1993 to Jan 12, 2016, not yet recovered
- Best single session
- +45.5% on Dec 9, 2004
- Worst single session
- -42.3% on Jul 27, 2004
- Volatility, 1 year annualised
- 70.4%
- Sessions closing higher, 1 year
- 46%
- Best calendar year
- 2009, +431%
- Worst calendar year
- 2015, -86%
ACFN price history by year
Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 1992 starts on Feb 11, 1992; 2026 runs to Nov 12, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $15.20 | $23.75 | $14.18 | $15.25 | +1.0% | 6.9M | 218 |
| 2025 | $17.80 | $33.00 | $12.42 | $15.10 | -15.6% | 4.4M | 250 |
| 2024 | $6.36 | $19.35 | $5.76 | $17.89 | +193.8% | 647K | 252 |
| 2023 | $5.28 | $8.50 | $4.00 | $6.09 | +8.8% | 467.1K | 250 |
| 2022 | $10.08 | $10.08 | $4.16 | $5.60 | -44.4% | 282.5K | 251 |
| 2021 | $6.24 | $11.20 | $5.92 | $10.08 | +70.3% | 681.5K | 252 |
| 2020 | $6.08 | $8.00 | $1.76 | $5.92 | 0.0% | 605.3K | 253 |
| 2019 | $4.80 | $7.20 | $3.20 | $5.92 | +42.3% | 415.4K | 252 |
| 2018 | $3.36 | $7.20 | $2.40 | $4.16 | +13.0% | 740.2K | 251 |
| 2017 | $3.04 | $8.96 | $2.40 | $3.68 | +27.8% | 1M | 251 |
| 2016 | $1.76 | $7.84 | $1.12 | $2.88 | +63.6% | 826.2K | 252 |
| 2015 | $12.16 | $12.64 | $1.44 | $1.76 | -85.7% | 1.5M | 252 |
| 2014 | $64.80 | $73.60 | $10.40 | $12.32 | -81.1% | 4.4M | 252 |
| 2013 | $128.21 | $158.40 | $45.60 | $65.12 | -47.6% | 2.5M | 252 |
| 2012 | $95.77 | $207.73 | $95.77 | $124.39 | +31.4% | 2.3M | 250 |
| 2011 | $59.45 | $100.44 | $51.42 | $94.68 | +58.0% | 953.1K | 252 |
| 2010 | $115.65 | $116.42 | $54.04 | $59.91 | -47.4% | 874.8K | 252 |
| 2009 | $21.62 | $128.62 | $21.62 | $113.95 | +430.9% | 828.8K | 252 |
| 2008 | $92.34 | $101.76 | $20.07 | $21.46 | -76.6% | 490.5K | 253 |
| 2007 | $52.19 | $94.19 | $50.95 | $91.87 | +71.5% | 630K | 251 |
| 2006 | $25.17 | $54.04 | $21.62 | $53.58 | +112.9% | 193.6K | 251 |
| 2005 | $15.44 | $28.41 | $9.11 | $25.17 | +63.0% | 133.8K | 252 |
| 2004 | $51.42 | $63.46 | $8.34 | $15.44 | -70.8% | 210.2K | 252 |
| 2003 | $13.90 | $57.75 | $13.28 | $52.96 | +303.5% | 265.6K | 252 |
| 2002 | $74.89 | $88.32 | $11.27 | $13.12 | -82.4% | 174.6K | 252 |
| 2001 | $65.62 | $135.88 | $51.15 | $74.73 | +15.6% | 363.6K | 248 |
| 2000 | $51.15 | $116.77 | $46.32 | $64.66 | +24.1% | 818.6K | 252 |
| 1999 | $42.46 | $65.62 | $27.02 | $52.11 | +28.6% | 595.9K | 252 |
| 1998 | $69.48 | $102.30 | $25.09 | $40.53 | -38.2% | 1.1M | 252 |
| 1997 | $88.78 | $110.98 | $57.90 | $65.62 | -25.3% | 859.3K | 253 |
| 1996 | $110.02 | $140.90 | $67.55 | $87.82 | -18.8% | 1.4M | 254 |
| 1995 | $73.34 | $208.45 | $73.34 | $108.09 | +47.4% | 2M | 252 |
| 1994 | $196.87 | $212.31 | $65.62 | $73.34 | -62.4% | 780.5K | 252 |
| 1993 | $93.61 | $250.91 | $88.78 | $194.94 | +127.0% | 985.9K | 253 |
| 1992 | $69.48 | $106.16 | $54.04 | $85.89 | n/a | 806.7K | 226 |
ACFN monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | $15.25 | -10.3% |
| October 2026 | $17.01 | -14.9% |
| September 2026 | $20.00 | +4.5% |
| August 2026 | $19.14 | +1.5% |
| July 2026 | $18.85 | +10.7% |
| June 2026 | $17.03 | +0.2% |
| May 2026 | $17.00 | -13.0% |
| April 2026 | $19.54 | +14.9% |
| March 2026 | $17.00 | -19.3% |
| February 2026 | $21.07 | +18.9% |
| January 2026 | $17.72 | +17.4% |
| December 2025 | $15.10 | +1.5% |
About the ACFN data
Daily bars. 8,751 sessions from Feb 11, 1992 to Nov 12, 2026, one row per Nasdaq trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.
Minute bars. Stored from Jul 13, 2026 forward, most recent session Nov 2, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.
Time and currency. Session dates are Nasdaq trading days; minute timestamps are UTC. Prices are in USD. Volume is shares traded on the session.
Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Feb 11, 1992, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.
curl "https://api.datacedar.com/v3/stocks/nasdaq%3AACFN/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
ACFN share price history
