How to Buy Amylyx Pharmaceuticals, Inc. Common Stock (AMLX) Stock

Where to buy AMLX

13 brokers in our matrix offer AMLX. 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

AMLX 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 Amylyx Pharmaceuticals, Inc. Common Stock

Amylyx Pharmaceuticals Inc is a clinical-stage pharmaceutical company focused on developing novel therapies for communities with high unmet medical needs. The company has preclinical and clinical development programs in endocrine conditions and neurodegenerative diseases. Its pipeline includes investigational therapies matched with diseases based on mechanistic rationale, clinical outcomes, biomarkers, and preclinical data. The company is currently developing avexitide for Post-Bariatric Hypoglycemia, AMX0035 for Wolfram Syndrome, AMX0114 for Amyotrophic Lateral Sclerosis, and AMX0318 for Post-Bariatric Hypoglycemia and other rare diseases.

Sector

PHARMACEUTICAL PREPARATIONS

Employees

136

Headquarters

CAMBRIDGE, MA

Listed

2022-01-07

Market cap

$1.51B

Frequently asked

Where can I buy Amylyx Pharmaceuticals, Inc. Common Stock (AMLX)?

AMLX 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 AMLX after hours or overnight?

Yes. AMLX 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 AMLX?

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

Does Fidelity offer AMLX?

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

Does Webull offer AMLX?

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

Is AMLX optionable?

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

Is there a tokenized version of AMLX?

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 AMLX?

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