This document explains the basic mechanisms, currency conversion process, trading rules, and operating procedures of the UEEx stock trading service. It is provided for general informational purposes only and does not constitute investment, legal, or tax advice. The actual availability of the stock trading service, quotes, fees, order statuses, and processing results are subject to the UEEx App’s stock trading pages and the relevant service agreements.
1. What Is UEEx Stock Trading?
The UEEx stock trading service allows users to trade selected stocks and ETFs listed in the U.S. and Hong Kong markets.
UEEx works with partner securities institutions to provide order execution services. Hong Kong stock orders are executed by partner institutions through their Hong Kong market trading channels, while U.S. stock orders are executed through their U.S. stock trading partners. After a user submits an order, the actual execution price, executed quantity, order status, and processing result are subject to the execution reports provided by upstream service providers and the information displayed on the UEEx stock trading page.
The relevant securities are held on the user’s behalf through accounts maintained by partner securities institutions. Users can view their orders, holdings, cash balances, and profit and loss information on the UEEx stock trading page. Corporate actions, including dividends, stock splits, and mergers, will be processed in accordance with applicable rules. Specific entitlements and processing methods are subject to the UEEx Stock Trading Service Terms and the actual processing results.
The markets currently supported and their basic trading units are as follows:
| Market | Tradable Securities | Trading Currency | Minimum Order Size |
|---|---|---|---|
| U.S. market | Selected U.S. stocks and U.S. stock ETFs | USD | 1 share |
| Hong Kong market | Selected Hong Kong stocks and Hong Kong stock ETFs | HKD | 1 board lot |
The number of shares in each Hong Kong board lot is determined by the listed company and may vary by security. For example, one board lot of Tencent Holdings (0700.HK) consists of 100 shares. Tradable securities, trading status, trading currencies, and minimum order quantities are subject to the real-time information displayed on the stock trading page.
2. How Do I Use USDT to Trade U.S. and Hong Kong Stocks?
When funding a stock account with USDT, users convert USDT into USD or HKD. USD is used to trade U.S. stocks and U.S. stock ETFs, while HKD is used to trade Hong Kong stocks and Hong Kong stock ETFs.
After stocks are sold, the resulting USD or HKD may be used for further stock trading. To withdraw the funds, users may convert them into USDT and then transfer the USDT out.
| Transaction | Funds Flow | Description |
|---|---|---|
| Funding for U.S. stock trading | USDT → USD | Convert USDT into USD to purchase U.S. stocks and U.S. stock ETFs. |
| Funding for Hong Kong stock trading | USDT → HKD | Convert USDT into HKD to purchase Hong Kong stocks and Hong Kong stock ETFs. |
| Withdrawal from the stock account | USD/HKD → USDT | Convert available USD or HKD into USDT before transferring it out. |
Before confirming a conversion, please review the exchange quote, conversion fee, estimated amount to be credited, and any applicable promotional offer. Exchange quotes fluctuate with market conditions. The final rate is subject to the information displayed on the confirmation page.
3. What Fees Apply to Stock Trading?
UEEx charges trading fees based on the relevant market and order value. Trading fees apply to both buy and sell orders, and the minimum fee is calculated separately for each order.
| Market | Trading Fee | Minimum Fee | Applicable Transactions |
|---|---|---|---|
| U.S. stocks and U.S. stock ETFs | 0.15% of the executed transaction value | USD 5 per order | Both buys and sells |
| Hong Kong stocks and Hong Kong stock ETFs | 0.30% of the executed transaction value | HKD 88 per order | Both buys and sells |
The following currency conversion fees apply to stock account funding and withdrawals:
| Conversion Direction | Standard Conversion Fee | Description |
|---|---|---|
| USDT → USD/HKD (funding) | 0.50% | Any promotional reduction or waiver of the funding conversion fee is subject to the information displayed on the promotion page. |
| USD/HKD → USDT (withdrawal) | 0.50% | The exchange quote, applicable fee, and estimated amount to be credited are subject to the conversion confirmation page. |
Important: The order or conversion confirmation page will display the price, applicable fees, estimated transaction value, or estimated amount to be credited. Please review this information carefully before confirming. Any changes to fee rates, minimum fees, or promotional offers are subject to the applicable page and promotion rules.
4. What Are the Stock Trading Hours?
All times below are in Hong Kong Time (HKT, UTC+8). Trading hours for U.S. stocks and U.S. stock ETFs change according to U.S. daylight saving time. Hong Kong market hours are not affected by daylight saving time.
| Market | Regular Trading Hours | Trading Days and Market Closures |
|---|---|---|
| U.S. stocks and U.S. stock ETFs during daylight saving time | 21:30 to 04:00 the following day | U.S. trading days; closed on weekends and U.S. market holidays |
| U.S. stocks and U.S. stock ETFs during standard time | 22:30 to 05:00 the following day | U.S. trading days; closed on weekends and U.S. market holidays |
| Hong Kong stocks and Hong Kong stock ETFs | 09:30–12:00 and 13:00–16:00 | Hong Kong trading days; closed on Saturdays, Sundays, and Hong Kong public holidays |
UEEx currently does not support pre-market or after-hours trading. In the event of a trading suspension, circuit breaker, early market close, extreme market conditions, severe weather, or an upstream trading channel disruption, orders may be delayed, rejected, cancelled, or unavailable for submission. Please refer to the stock trading page and the displayed order status.
5. Which Order Types and Validity Periods Are Supported?
The UEEx stock trading page supports market orders and limit orders.
| Order Type | Description |
|---|---|
| Market order | Attempts to execute at the market price available at that time. During periods of market volatility, the actual execution price may differ from the price displayed when the order is placed. |
| Limit order | Allows you to specify an acceptable price. The order will only attempt to execute at the specified price or a better price and may be partially filled or remain unfilled. |
The following order validity periods are available:
| Validity Period | Description |
|---|---|
| Day Order | The order is valid only during regular trading hours on the day it is placed. Any unfilled portion will automatically expire after the market closes that day. |
| Valid for 7 Days | The order remains valid for seven days. Any unfilled portion will automatically expire at the end of the validity period. |
Before submitting an order, please confirm the order direction, security, quantity, price, validity period, fees, and estimated amount.
Funds may be reserved while an order is awaiting execution. If an order is partially filled, cancelled, expired, or rejected, any unused funds will become available again in accordance with the actual order processing result. The applicable status is subject to the information displayed on the stock trading page.
6. Sale Proceeds, Settlement, and Withdrawals
After a stock sale is executed, the proceeds will be credited to the stock account in the corresponding market currency:
- Sales of U.S. stocks and U.S. stock ETFs generate USD.
- Sales of Hong Kong stocks and Hong Kong stock ETFs generate HKD.
Currently, proceeds from executed sales of both U.S. and Hong Kong stocks are credited to the available balance of the stock account in accordance with the rules displayed by UEEx. Available USD or HKD may be used for further stock trading or converted into USDT and transferred out in accordance with the applicable on-screen rules.
Settlement information: The securities market settlement cycle and the availability or withdrawability of funds in a UEEx stock account are separate concepts. The U.S. securities market generally operates on a T+1 settlement cycle, while securities transactions on the Hong Kong Stock Exchange generally operate on a T+2 settlement cycle. The availability of funds for trading, conversion, or withdrawal, as displayed by UEEx, is subject to platform rules, actual order processing results, and risk control requirements.
If fund status is affected by market closures, order status, risk controls, upstream processing, public holidays, or other necessary circumstances, the crediting, conversion, or withdrawal of funds may be delayed. If UEEx changes its rules governing the availability or withdrawal of funds, the changes will be communicated through the relevant product pages or announcements.
7. Dividends and Corporate Actions
7.1 Cash Dividends
If a stock or ETF held by a user distributes a cash dividend, eligibility will depend on the ex-dividend date, record date, payment date, and other applicable rules announced by the issuer. Generally, users must hold the relevant security before the ex-dividend date to be eligible for that dividend.
Eligible dividends will be credited to the stock account after being processed by the upstream service provider. Dividends from U.S. stocks are generally credited in USD, while dividends from Hong Kong stocks are generally credited in HKD.
The actual amount and crediting time may be affected by the issuer’s payment arrangements, the number of shares held, applicable taxes and fees, market holidays, and upstream processing times. The information displayed on the relevant page will prevail.
U.S.-source dividends may be subject to withholding tax. For non-U.S. tax residents, the statutory withholding tax rate is generally 30%. However, the actual rate may be affected by tax treaties, the user’s tax information, applicable tax documentation, and the amount withheld by the upstream service provider. UEEx does not provide tax advice or determine a user’s tax obligations in any jurisdiction.
7.2 Stock Splits, Reverse Stock Splits, Spin-Offs, and Mergers and Acquisitions
Listed companies may conduct stock splits, reverse stock splits, spin-offs, mergers, acquisitions, privatizations, or other corporate actions. These events may change the number of shares held, the price per share, the security’s trading status, or the user’s cash balance.
| Corporate Action | Common Effect on Holdings |
|---|---|
| Stock split | The number of shares increases proportionally, while the price per share is adjusted accordingly. Excluding market fluctuations, the theoretical total market value generally does not change solely because of the split. |
| Reverse stock split | The number of shares decreases proportionally, while the price per share is adjusted accordingly. The treatment of fractional shares, cash compensation, or other matters is subject to the issuer’s and upstream service provider’s rules. |
| Spin-off | Users may receive securities in a new company or other entitlements, subject to the issuer’s arrangements and upstream processing results. |
| Merger, acquisition, or privatization | Holdings may be converted into new securities, cash compensation, or a combination of both. Trading and orders may also be restricted. |
Before or after a corporate action, the relevant stock may be suspended from trading, and unfilled orders may be cancelled, expire, or need to be resubmitted.
UEEx will update users’ holdings and fund information after receiving the upstream processing results. The specific treatment is subject to the issuer’s announcements, upstream rules, and the information displayed on the stock trading page.
8. Market Protection Mechanisms and Trading Disruptions
Securities markets use market protection mechanisms to reduce the risk of abnormal trading during periods of severe volatility. When a market-wide or individual-security protection mechanism is triggered, the relevant securities may be suspended, restricted to trading within a specified price range, or delayed in resuming normal trading.
| Market | Mechanism | Possible Impact on Users |
|---|---|---|
| U.S. market | Market-wide circuit breakers: A daily decline of 7%, 13%, or 20% in the S&P 500 Index represents the three trigger levels. If a Level 1 or Level 2 circuit breaker is triggered before 15:25 Eastern Time, market-wide trading is generally suspended for 15 minutes. If a Level 3 circuit breaker is triggered, trading stops for the remainder of the trading day. | Orders may be suspended, queued, rejected, or delayed. |
| U.S. market | Limit Up-Limit Down (LULD) mechanism: Establishes dynamic price bands for individual securities. If a security reaches a price band and does not return within the permitted range during the specified period, trading in that security may be suspended for approximately five minutes. | Market orders may not execute immediately. Limit orders may remain pending, be partially filled, or remain unfilled. |
| Hong Kong market | Volatility Control Mechanism (VCM): Applies to securities specified by the exchange. When the relevant price-movement threshold is triggered, the security may enter a cooling-off period during which trading is restricted to a specified price range. | Trading may be restricted or delayed. Order status is subject to the trading page and the exchange’s processing result. |
In addition to market protection mechanisms, trading suspensions, temporary market closures, exchange system disruptions, extreme market conditions, severe weather, or upstream trading channel disruptions may affect order submission, cancellation, execution, fund availability, or the display of holdings. UEEx will process affected orders according to upstream execution reports and platform rules.
9. Risk Disclosure
The prices of stocks and ETFs may fluctuate due to market conditions, industry developments, company performance, policies, exchange rates, liquidity, and other factors. Market volatility, price gaps, insufficient liquidity, or trading suspensions may cause orders to remain unfilled, be partially filled, or execute at prices different from those expected.
Exchange quotes between USD, HKD, and USDT may also affect your actual costs and returns.
Please make trading decisions prudently and according to your circumstances after fully understanding the applicable product rules, fees, and risks. UEEx does not provide investment advice or guarantee the returns or price performance of any security.
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