How to Buy Acorn Energy, Inc. Common Stock (ACFN) Stock

Where to buy ACFN

15 brokers in our matrix offer ACFN (penny/OTC-friendly subset). Verify availability and current fees with each broker before trading.

Broker	Commission	Fractional	Extended	Overnight	Options	OTCQX	OTCQB	Pink Cur.	Pink Ltd.	Grey	Surcharge	Short locate
Firstrade	$0	~4,000+ tickers, ≥ $5		~1,200	$0	Full	Full	Full	Full	Limited	—	limited
Interactive Brokers	$0 (Lite) / per-share (Pro)			~10,000	per-contract pricing	Full	Full	Full	Full	Full	Per-share pricing applies	best
TradeStation	$0 listed				$0.50 / $0.60	Full	Full	Full	Full	Limited	$0.005/share OTC (TS Select/TS Go), $0 up to 10,000 shares	strong
Charles Schwab (thinkorswim)	$0	Schwab Stock Slices, S&P 500 only, ≥ $5/slice, up to 30 at once		~1,130	$0.65	Full	Full	Full	Limited	Limited	Variable service fees on certain restricted	moderate
E*TRADE (Morgan Stanley)	$0 listed			~20	$0.65	Full	Full	Full	Full	Limited	$6.95 flat on penny stocks	moderate
Fidelity	$0	Stocks by the Slice, 7,000+ stocks/ETFs, from $1			$0.65	Full	Full	No	No	No	—	limited
Merrill Edge	$0				$0.65	Full	Full	Full	Limited	No	—	none
Moomoo	$0				$0	Limited	Limited	Limited	No	No	—	limited
Public.com	$0				rebate model	Limited	Limited	Limited	No	No	—	none
SoFi Active Investing	$0				$0	Full	Limited	Limited	No	No	—	none
tastytrade	$0 stocks				$1.00 open, $0 close (capped at $10 per leg)	Limited	Limited	Limited	No	No	—	limited
Webull	$0				$0	Limited	Limited	Limited	No	No	—	limited
CenterPoint Securities	Per-share (day-trader oriented)				per-contract	Full	Full	Full	Full	Full	Per-share	best
Cobra Trading	Per-share (day-trader oriented)				per-contract	Full	Full	Full	Full	Full	Per-share	best
SpeedTrader	Per-share (day-trader oriented)				per-contract	Full	Full	Full	Full	Full	Per-share	best

24-Hour / Overnight trading

ACFN may be eligible for overnight trading via Charles Schwab (thinkorswim), Interactive Brokers, Robinhood, E*TRADE (Morgan Stanley), Webull, Moomoo, Firstrade. Each broker maintains its own eligibility list — confirm before placing an order.

Penny stock / OTC routing

ACFN trades on the OTC markets. Broker support varies sharply by tier (OTCQX, OTCQB, Pink Current, Pink Limited, Grey). Fidelity and Robinhood exclude pink/grey entirely. For short-locate on small-caps, Interactive Brokers and the day-trader specialists (Cobra Trading, SpeedTrader, CenterPoint) have the deepest inventory.

About Acorn Energy, Inc. Common Stock

Acorn Energy Inc is a holding company that focuses on technology-driven solutions for energy infrastructure asset management. The company operates through two segments namely, the PG segment and the CP segment. PG segment provides wireless remote monitoring and control systems and services for critical assets as well as Internet of Things applications which account for the majority of the revenue. CP segment is engaged in providing remote monitoring of cathodic protection systems on gas pipelines for gas utilities and pipeline companies.

Sector

SERVICES-ENGINEERING SERVICES

Employees

27

Headquarters

WILMINGTON, DE

Listed

1992-02-11

Market cap

$42.06M

Frequently asked

Where can I buy Acorn Energy, Inc. Common Stock (ACFN)?

ACFN is offered by 15 brokers in our matrix, including Firstrade, Interactive Brokers, TradeStation, Charles Schwab (thinkorswim), E*TRADE (Morgan Stanley). Compare commissions, fractional eligibility, and overnight availability in the broker matrix above.

Can I buy ACFN after hours or overnight?

Yes. ACFN is on the 24-hour eligibility list for Charles Schwab (thinkorswim), Interactive Brokers, Robinhood, E*TRADE (Morgan Stanley), and others. Overnight sessions route through ATSs with wider spreads and limit-orders only.

Does Robinhood offer ACFN?

No. Robinhood does not provide access to the OTC tier ACFN trades on. Interactive Brokers, TradeStation, and Firstrade have the broadest OTC coverage.

Does Fidelity offer ACFN?

Partial. Fidelity's OTC access is tier-limited — see the OTC columns in the matrix to check whether ACFN's specific tier is supported.

Does Webull offer ACFN?

Partial. Webull's OTC access is tier-limited — see the OTC columns in the matrix to check whether ACFN's specific tier is supported.

Is ACFN optionable?

No. ACFN does not have listed options contracts at the moment.

Is there a tokenized version of ACFN?

Not in our current dataset. The tokenized stock universe (Kraken xStocks, Binance Alpha/Ondo, Robinhood EU, Hyperliquid HIP-3) is expanding quickly — we refresh quarterly.

Can I buy a fractional share of ACFN?

Yes. Multiple brokers in the matrix support fractional shares for ACFN — see the Fractional column above for per-broker eligibility and minimums.