Acorn Energy, Inc. (ACFN) Stock Chart
ACFN price chart
Daily prices adjusted for splits and dividends. 1D and 5D show delayed intraday prices. Markers: E earnings, D dividend, S split.
Technical snapshot
Key levels & statistics
ACFN performance vs the market
Total return, dividends reinvestedACFN monthly returns
ACFN historical prices
ACFN dividends & splits
About the ACFN chart
Acorn Energy (ACFN) closed at $18.33 on October 16, 2026, up 21.4% so far this year. The stock is trading 1.1% below its 200-day moving average of $18.54, which technical analysts usually read as a long-term downtrend. Over the past year ACFN returned −25.1% including dividends, behind the S&P 500 (+16.8%).
This page charts the full trading history of Acorn Energy, Inc. stock. Daily prices come from EODHD and are adjusted for stock splits and dividends, so returns over long periods are comparable. For the latest quote, company profile, earnings and news, see the ACFN stock overview.
ACFN chart FAQ
What is Acorn Energy's all-time high stock price?
The highest closing price for ACFN was $241.84 on July 7, 1993 (adjusted for stock splits). As of the October 16, 2026 close it traded 92.4% below that level.
What is the 52-week range of ACFN stock?
Over the 52 weeks to October 16, 2026, ACFN traded between an intraday low of $12.42 on November 6, 2025 and an intraday high of $27.05 on October 22, 2025.
Is ACFN above its 200-day moving average?
No. On October 16, 2026 ACFN closed at $18.33, 1.1% below its 200-day simple moving average of $18.54. The 50-day average was $19.63.
How has ACFN stock performed compared with the S&P 500?
Including reinvested dividends, ACFN returned −25.1% over the past year, compared with +16.8% for the S&P 500 (SPY). Over five years the figures were +81.8% and +83.0%.
Does Acorn Energy pay a dividend?
Acorn Energy has not paid a dividend in the past 12 months.
Has ACFN stock ever split?
ACFN has split its stock 3 times: 2:1 (June 21, 1993), 1120:1069 (June 3, 2019), 1:16 (September 8, 2023). Prices on this chart are adjusted for all splits.
How do I read the ACFN chart?
Pick a time range above the chart and choose candlesticks, a line or an area chart. Moving averages, Bollinger Bands, volume, RSI and MACD can be switched on with the indicator buttons, and "Compare" plots ACFN against the S&P 500, its sector or a competitor as a percentage change. Chart prices are adjusted for splits and dividends.