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Help Center Trading in US Market Trading Rules

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Trading Rules

Trading hours of US stocks
How to place an order for US stocks
How to modify or cancel an order
What are time in force and pre-market & after-hours trading
Whether use the pre and post-market price to calculate the market value and profit or loss of your position
Why should the placement of market orders be restricted
What is penny stock
Can US stocks trade intraday/Can I sell US stocks the same day I bought them
Why was my sell order with an order price lower than the best ask price not filled
US stock market holidays
Why use pre- and post-market prices to calculate market capitalization and profit & loss of stocks during the respective session
Withholding Tax on Publicly Traded Partnerships (PTP) Securities and Trading Arrangements

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Trading days: 8:30 - 16:30 ET

cs@us.moomoo.com

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Accessibility Statement

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The moomoo app is an online trading platform offered by Moomoo Technologies Inc. Securities, brokerage products and related services available through the moomoo app are offered by including but not limited to the following brokerage firms: Moomoo Financial Inc. regulated by the U.S. Securities and Exchange Commission (SEC), Moomoo Financial Singapore Pte. Ltd. regulated by the Monetary Authority of Singapore (MAS), Futu Securities International (Hong Kong) Limited regulated by the Securities and Futures Commission of Hong Kong (SFC) and Futu Securities (Australia) Ltd regulated by the Australian Securities and Investments Commission (ASIC).

For further information about Moomoo Financial Inc., please visit Financial Industry Regulatory Authority (FINRA)’s BrokerCheck. Brokerage accounts with Moomoo Financial Inc. are protected by the Securities Investor Protection Corporation (SIPC). Moomoo Financial Inc. is a member of Securities Investor Protection Corporation (SIPC), which protects securities customers of its members up to $500,000 (including $250,000 for claims for cash). It is important to understand that SIPC protects customer accounts against losses caused by the financial failure of the broker-dealer, but not against an increase or decrease in the market value of securities in customers' accounts. SIPC does not protect against market risk, which is the risk inherent in a fluctuating market. For further information about SIPC insurance coverage for accounts with Moomoo Financial Inc., see www.sipc.org or request an explanatory brochure from Moomoo Financial Inc.

Investments in stocks, options, ETFs and other instruments are subject to risks, including possible loss of the amount invested. The value of investments may fluctuate and as a result, clients may lose the value of their investment. Past performance should not be viewed as an indicator of future results.

Margin trading involves interest charges and heightened risks, including the potential to lose more than invested funds or the need to deposit additional collateral. Before trading on margin, customers are advised to determine whether this type of trading is appropriate for them in light of their respective investment objective, experience, risk tolerance and financial situation.

Free trading refers to $0 commissions for Moomoo Financial Inc. self-directed individual cash or margin brokerage accounts of U.S. residents that trade U.S. listed securities via mobile devices or Web. Relevant SEC & FINRA fees may apply. For details, please see Commission and Fees.

All types of investments are risky and investors may suffer losses. Past performance of investment products does not guarantee future results. Electronic trading also poses risks to investors. The responsiveness of the trading system may vary due to market conditions, system performance, and other factors. Account access and trade execution may be affected by factors such as market volatility.

No content on the website shall be considered as a recommendation or solicitation for the purchase or sale of securities, futures, or other financial products. All information and data on the website are for reference only and no historical data shall be considered as the basis for predicting future trends.

Information contained on this website is general in nature and has been prepared without any consideration of customers’ investment objectives, financial situations or needs. Customers should consider the appropriateness of the information having regard to their personal circumstances before making any investment decisions.

Investment products are not insured by the Federal Deposit Insurance Corporation (FDIC) or guaranteed by a bank, and may decline in value.

The services and products offered on the website are subject to applicable laws and regulations, as well as relevant service terms and policies. The services and products are not available to all customers or in all geographic areas or in any jurisdiction where it is unlawful for us to offer such services and products.

Licensed Entities*

Moomoo Financial Inc.

A broker-dealer registered with the U.S. Securities and Exchange Commission (SEC) (CRD: 283078/SEC: 8-69739), and a member in good standing of the Financial Industry Regulatory Authority (FINRA) and the Securities Investor Protection Corporation (SIPC).

Futu Clearing Inc.

A broker-dealer registered with the U.S. Securities and Exchange Commission (SEC) (CRD: 298769/SEC: 8-70215), a member in good standing of the Financial Industry Regulatory Authority (FINRA) and the Securities Investor Protection Corporation (SIPC), as well as a member of Depository Trust Company (DTC), a member of National Securities Clearing Corporation (NSCC) and the Options Clearing Corporation (OCC).

Futu Wealth Advisors Inc.

An investment advisor registered with and regulated by the U.S. Securities and Exchange Commission (SEC) (CRD: 310790/SEC: 801-119635).

Futu Futures Inc.

A licensed entity registered with the National Futures Association (NFA) (NFA ID: 0523957) and regulated by the National Futures Association (NFA) and the Commodity Futures Trading Commission (CFTC).

Moomoo Financial Singapore Pte. Ltd.

Registered with the Monetary Authority of Singapore (MAS), moomoo SG is a Capital Markets Services Licence (Licence No. CMS101000) holder with the Exempt Financial Adviser Status. Moomoo SG has been admitted as Clearing Member of The Central Depository (Pte) Ltd (CDP) , Trading Member of Singapore Exchange Securities Trading Limited (“SGX-ST”), Trading and Clearing Member of Singapore Exchange Derivatives Trading Limited (“SGX-DT”), and Depository Agent of CDP.

Futu Trustee (Singapore) Pte. Ltd.

A Singapore trust company licensed by the Monetary Authority of Singapore to carry on trust business and services (Licence Number: No.TC000074).

Futu Securities (Australia) Ltd

A securities dealer registered with and regulated by the Australian Securities and Investments Commission (ASIC). Futu AU holds the Australian Financial Services Licence (Licence No. 224663).

*Information of the licensed entities listed above is only for the purpose of demonstrating the qualifications and licences of part of the licensed entities providing securities services on the moomoo app.

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