How to Buy Applied Optoelectronics, Inc. (AAOI) Stock

Where to buy AAOI

15 brokers in our matrix offer AAOI (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
FirstradeReview	$0	~4,000+ tickers, ≥ $5		~1,200	$0	Full	Full	Full	Full	Limited	—	limited
Interactive BrokersReview	$0 (Lite) / per-share (Pro)			~10,000	per-contract pricing	Full	Full	Full	Full	Full	Per-share pricing applies	best
TradeStationReview	$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)Review	$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)Review	$0 listed			~20	$0.65	Full	Full	Full	Full	Limited	$6.95 flat on penny stocks	moderate
FidelityReview	$0	Stocks by the Slice, 7,000+ stocks/ETFs, from $1			$0.65	Full	Full	No	No	No	—	limited
Merrill EdgeReview	$0				$0.65	Full	Full	Full	Limited	No	—	none
MoomooReview	$0				$0	Limited	Limited	Limited	No	No	—	limited
Public.comReview	$0				rebate model	Limited	Limited	Limited	No	No	—	none
SoFi Active InvestingReview	$0				$0	Full	Limited	Limited	No	No	—	none
tastytradeReview	$0 stocks				$1.00 open, $0 close (capped at $10 per leg)	Limited	Limited	Limited	No	No	—	limited
WebullReview	$0				$0	Limited	Limited	Limited	No	No	—	limited
CenterPoint SecuritiesReview	Per-share (day-trader oriented)				per-contract	Full	Full	Full	Full	Full	Per-share	best
Cobra TradingReview	Per-share (day-trader oriented)				per-contract	Full	Full	Full	Full	Full	Per-share	best
SpeedTraderReview	Per-share (day-trader oriented)				per-contract	Full	Full	Full	Full	Full	Per-share	best

24-Hour / Overnight trading

AAOI 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

AAOI 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 Applied Optoelectronics, Inc.

Applied Optoelectronics Inc is a provider of fiber-optic networking products, for four networking end-markets; internet data center, CATV, telecom, and FTTH. The Company designs and manufactures a wide range of optical communications products at varying levels of integration, from components, subassemblies, and modules to meet turn-key equipment. Through direct sales personnel, and manufacturing teams in the United States, China, and Taiwan, the company coordinates with customers to determine product design, qualifications, and performance. The Company has manufacturing and research and development facilities located in the U.S., Taiwan, and China.

Sector

SEMICONDUCTORS & RELATED DEVICES

Employees

4,691

Headquarters

SUGAR LAND, TX

Listed

2013-09-26

Market cap

$8.27B

Frequently asked

Where can I buy Applied Optoelectronics, Inc. (AAOI)?

AAOI 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 AAOI after hours or overnight?

Yes. AAOI 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 AAOI?

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

Does Fidelity offer AAOI?

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

Does Webull offer AAOI?

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

Is AAOI optionable?

Yes. AAOI has listed options contracts. Per-contract pricing varies by broker — see the Options column in the matrix.

Is there a tokenized version of AAOI?

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 AAOI?

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