How to Buy Cytokinetics Inc. (CYTK) Stock

Where to buy CYTK

13 brokers in our matrix offer CYTK. 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

CYTK 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 Cytokinetics Inc.

Cytokinetics Inc is a late-stage biopharmaceutical company focused on discovering, developing, and commercializing first-in-class muscle activators and next-in-class muscle inhibitors as potential treatments for debilitating diseases in which muscle performance is compromised and/or declining. The company develops treatments for diseases such as amyotrophic lateral sclerosis, heart failure, spinal muscular atrophy, and chronic obstructive pulmonary disease. The company's product, named as MYQORZO, is an allosteric and reversible inhibitor of cardiac myosin motor activity. The company is developing muscle-directed investigational medicines that may potentially improve the health span of people with devastating cardiovascular and neuromuscular diseases of impaired muscle function.

Sector

PHARMACEUTICAL PREPARATIONS

Employees

673

Headquarters

SOUTH SAN FRANCISCO, CA

Listed

2004-04-29

Market cap

$10.69B

Frequently asked

Where can I buy Cytokinetics Inc. (CYTK)?

CYTK 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 CYTK after hours or overnight?

Yes. CYTK 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 CYTK?

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

Does Fidelity offer CYTK?

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

Does Webull offer CYTK?

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

Is CYTK optionable?

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

Is there a tokenized version of CYTK?

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 CYTK?

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