How to Buy MarketAxess Holdings Inc. (MKTX) Stock

Where to buy MKTX

13 brokers in our matrix offer MKTX. 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

MKTX 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 MarketAxess Holdings Inc.

Founded in 2000, MarketAxess is a leading electronic fixed-income trading platform that connects broker/dealers and institutional investors. The company is primarily focused on credit based fixed income securities with its main trading products being US investment-grade and high-yield bonds, Eurobonds, and Emerging Market corporate debt. Recently the company has expanded more aggressively into Treasuries and municipal bonds with the acquisitions of LiquidityEdge and MuniBrokers in 2019 and 2021, respectively. The company also provides pre- and post-trade services with its acquisition of Regulatory Reporting Hub from Deutsche Börse Group in 2020 adding to its product offerings.

Sector

SECURITY BROKERS, DEALERS & FLOTATION COMPANIES

Employees

868

Headquarters

NEW YORK, NY

Listed

2004-11-05

Market cap

$4.90B

Frequently asked

Where can I buy MarketAxess Holdings Inc. (MKTX)?

MKTX 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 MKTX after hours or overnight?

Yes. MKTX 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 MKTX?

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

Does Fidelity offer MKTX?

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

Does Webull offer MKTX?

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

Is MKTX optionable?

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

Is there a tokenized version of MKTX?

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 MKTX?

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