A Comprehensive Guide to Choosing a Stock Trading App in Hong Kong

Investors in Hong Kong demand robust, mobile-first platforms that offer seamless access to global markets without the friction of hidden fees. Every dollar spent on a commission or a platform fee is a dollar subtracted from potential compounded returns. This guide explores the essential features, cost structures, and professional tools an investor should evaluate when selecting a stock trading application in Hong Kong, focusing on how Webull addresses modern investment demands.

Unpacking the Cost Advantage: 0 Commission and 0 Platform Fee for US & HK Stocks

The most critical factor in maximizing investment returns is to reduce costs. In the past, brokerage models relied on a dual-fee structure: commission plus platform fee charged per order.

The competitive standard is defined by true cost efficiency. Webull offers a distinct pricing model: 0 Commission and 0 Platform Fee for US & HK Stocks.

By removing the commission & platform fee for equities in US & HK markets, investors can execute trades or rebalance portfolios without the penalty of fixed order costs. For US Options, Webull maintains a 0 Commission structure, with a transparent platform fee of US$0.2 per contract (Min US$1.0 per order).

Access to Global Markets: US and Hong Kong Equities

A robust trading application must provide access to major financial markets for its 26 million global registered users*.

The United States Market and 24-Hour Trading

To solve the time zone disparity for Hong Kong investors, Webull offers 24-hour US trading. This feature allows investors to trade a range of available US equities and Exchange Traded Funds (ETFs) around the clock, five days a week. Furthermore, Webull supports Fractional Shares for the US market. Investors can allocate specific dollar amounts—as little as US$1—to purchase a fraction of a share, facilitating precise portfolio diversification.

The Hong Kong Market

Webull provides access to Hong Kong stocks, ETFs, and derivative instruments (warrants and CBBCs), integrated into the same account interface used for US trading. By applying the True 0 Commission & 0 Platform Fee structure to the HK market, investors can trade local equities without traditional brokerage fee drag. Access to Hong Kong is available to all eligible users.

Professional-Grade Market Data and Analytical Tools

Informed decision-making relies on the quality of market data. Webull equips registered users with the following capabilities:

• Free US Level 2 50-Depth Quotes: Displays 50 levels of pending buy and sell orders.

• Free Hong Kong Level 1 Real-Time Streaming Quotes: Ensures real-time price updates for the local market.

• OPRA Real-Time Options Quotes: Upon initial activation of Webull US stock options trading service, you will receive 30 days of free OPRA quotes. To retain free access, simply complete at least one US stock options trade within every 30-day period.

Security, Regulatory Compliance, and Investor Protection

Webull Securities Limited is a licensed corporation holding Type 1, Type 2, and Type 4 licenses from the Securities and Futures Commission (SFC) of Hong Kong (CE Number: BNG700), adhering to strict compliance standards.

Client assets are safeguarded through stringent segregation protocols. Investor funds are independently custodied at authorized financial institutions. Additionally, the Investor Compensation Fund (ICF) compensates investors for losses due to the default of an intermediary, with a maximum compensation of HK$500,000 per claimant. For defaults occurring on or after 1 January 2020, the Fund also covers losses in relation to Stock Connect Securities.^

FAQ

Q: How do I execute pre-market and after-hours trades?

A: You must place a Limit Order and select "Include Extended Hours". Pre-Market runs from 04:00 - 09:30 ET, and After-Hours runs from 16:00 - 20:00 ET.

Q: What is a Fractional Share?

A: A fractional share allows you to own less than one whole share of a company. Fractional trading is available on the Webull Mobile App for US stocks/ETFs marked with a green diamond logo.

Q: What happens to my Options contract on expiry?

A: For In the Money (ITM) Long Options, they are exercised if you have sufficient buying power, or expire if you  submitted a "Do Not Exercise" (DNE) request. Out of the Money (OTM) contracts generally expire worthless.

Q: What is the difference between Physical and Cash Settlement?

A: Physical Settlement involves the delivery of the underlying asset. Cash Settlement involves crediting/debiting the price difference. Webull Policy: Webull does not support physical delivery of Futures contracts at expiry. Positions held close to expiry will be subject to forced liquidation to avoid the settlement process.

Disclaimer:

*Data source: Internal statistics of Webull Technologies Limited as of March 5, 2026.

^The Investor Compensation Fund (the Fund) compensates investors who suffer a loss due to the default of an intermediary in relation to trading of products on Hong Kong Exchanges and Clearing Limited. The maximum amount of compensation is HK$500,000 per claimant for a single default. The defaulting intermediary must be licensed by or registered with the Securities and Futures Commission (SFC) for dealing in securities, futures contracts or securities margin financing. For defaults occurring on or after 1 January 2020, the Fund also covers investors’ losses in relation to securities traded on a stock market operated by the Shanghai Stock Exchange or the Shenzhen Stock Exchange and in respect of which an order for sale or purchase is permitted to be routed through the northbound link of a Stock Connect arrangement (Stock Connect Securities).

No commissions or platform fees for U.S. and Hong Kong stocks charged by Webull. The promotional pricing has a time limit and will remain effective until further notice. Applicable regulatory and exchange fees may apply. For more information on Webull's profile, products, and fees, please visit https://www.webull.hk. Terms and conditions apply.

This should not be construed as investment advice and does not constitute an offer, solicitation, or guarantee of any investment product. Investments involve risks. Prices may fluctuate and you may lose your capital. Past performance is not indicative of future results. Before making any investment decision, investors should consider their risk tolerance, financial situation, and objectives, or consult professional advisors.

References:

• https://www.webull.hk

• https://www.webull.hk/pricing