How to Buy Ainos, Inc. Common Stock (AIMD) Stock

Where to buy AIMD

15 brokers in our matrix offer AIMD (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

AIMD 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

AIMD 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 Ainos, Inc. Common Stock

Ainos Inc is a dual-platform company advancing artificial intelligence based smelltech technologies and immune therapeutics. Its primary strategic focus is the commercialization of its proprietary scent digitization platform, AI Nose, while the company also continue to develop therapeutic assets based on its low-dose oral interferon program, VELDONA. Its core technology platform, AI Nose, is an AI-based electronic olfaction system that integrates gas sensor arrays with proprietary artificial intelligence models, which it refers to as a smell language model (SLM), to digitize scent and volatile organic compound (VOC) signals into Smell ID, a machine-readable data format.

Sector

PHARMACEUTICAL PREPARATIONS

Employees

41

Headquarters

HOUSTON, TX

Listed

1996-08-08

Market cap

$12.21M

Frequently asked

Where can I buy Ainos, Inc. Common Stock (AIMD)?

AIMD 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 AIMD after hours or overnight?

Yes. AIMD 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 AIMD?

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

Does Fidelity offer AIMD?

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

Does Webull offer AIMD?

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

Is AIMD optionable?

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

Is there a tokenized version of AIMD?

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 AIMD?

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