How to Buy Investar Holding Corporation (ISTR) Stock

Where to buy ISTR

13 brokers in our matrix offer ISTR. Verify availability and current fees with each broker before trading.

Broker	Commission	Fractional	Extended	Overnight	Options	OTC access
Charles Schwab (thinkorswim)Review	$0	Schwab Stock Slices, S&P 500 only, ≥ $5/slice, up to 30 at once		~1,130	$0.65	Most (3/5)
E*TRADE (Morgan Stanley)Review	$0 listed			~20	$0.65	Most (4/5)
FidelityReview	$0	Stocks by the Slice, 7,000+ stocks/ETFs, from $1			$0.65	Partial (2+0)
FirstradeReview	$0	~4,000+ tickers, ≥ $5		~1,200	$0	Most (4/5)
Interactive BrokersReview	$0 (Lite) / per-share (Pro)			~10,000	per-contract pricing	Full
Merrill EdgeReview	$0				$0.65	Most (3/5)
MoomooReview	$0				$0	Limited only
Public.comReview	$0				rebate model	Limited only
RobinhoodReview	$0	≥ $1 stocks, market cap ≥ $25M		~1,134	$0	None
SoFi Active InvestingReview	$0				$0	Partial (1+2)
tastytradeReview	$0 stocks				$1.00 open, $0 close (capped at $10 per leg)	Limited only
TradeStationReview	$0 listed				$0.50 / $0.60	Most (4/5)
WebullReview	$0				$0	Limited only

24-Hour / Overnight trading

ISTR 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.

About Investar Holding Corporation

Investar Holding Corp is a U.S.-based financial holding company. Through its subsidiaries, it offers a variety of commercial and retail lending products throughout its market areas, including business loans to small to medium-sized businesses, as well as loans to individuals. It has business operations spread across the United States and serves its customers through several service branches. The bank also offers cashier's checks, direct deposit of payroll and Social Security checks, night depository, bank-by-mail, automated teller machines with deposit automation, and debit cards.

Sector

STATE COMMERCIAL BANKS

Employees

431

Headquarters

BATON ROUGE, LA

Listed

2014-07-01

Market cap

$393.12M

Frequently asked

Where can I buy Investar Holding Corporation (ISTR)?

ISTR is offered by 13 brokers in our matrix, including Charles Schwab (thinkorswim), E*TRADE (Morgan Stanley), Fidelity, Firstrade, Interactive Brokers. Compare commissions, fractional eligibility, and overnight availability in the broker matrix above.

Can I buy ISTR after hours or overnight?

Yes. ISTR 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 ISTR?

Yes. Robinhood offers ISTR as a regular exchange-listed security.

Does Fidelity offer ISTR?

Yes. Fidelity offers ISTR as a regular exchange-listed security.

Does Webull offer ISTR?

Yes. Webull offers ISTR as a regular exchange-listed security.

Is ISTR optionable?

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

Is there a tokenized version of ISTR?

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 ISTR?

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