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Securities

ArtaGM provides clients with a comprehensive online trading service for Hong Kong stocks, A-shares, and U.S. stocks. The one-stop online trading platform saves time and offers convenience, enhancing investment flexibility and allowing clients to seize investment opportunities.


Choose ArtaGM

Funds | Quick Deposit

eDDA Electronic Direct Debit Authorization: A 24/7 Fast Deposit Experience

Fees | Simple and Transparent

No commission on trading Hong Kong and U.S. stocks

System | Secure and Smooth

Proprietary Trading System, Secure and Smooth

Brokerage Commission and Other Service Charges, please click here for details.

Stock Trading Hours - US Market

US Eastern Time*


US Eastern Time*
9:30am to 4:00pm

Hong Kong Time*


Daylight Saving Time**
9:30pm to 4:00am

Standard Time**
10:30pm to 5:00am

Note: * There is no lunch break during this period

** In the US, Daylight Saving Time begins at 2:00 AM on the second Sunday in March (local time) and reverts to Standard Time at 2:00 AM on the first Sunday in November (local time). 

US Stock Trading Tips

Important Information for U.S. Stock TradingUS Market
Market CodeUS
Continuous Trading HoursDaylight Saving Time 21:30 – 04:00
Standard Time 22:30 – 05:00
Lot Size1
Order ConsolidationN/A
Settlement DateT+2
Trading CurrencyUSD
Price UnitUSD
Settlement MethodArtaGM will convert other currencies to U.S. dollars for settlement on T+1. The actual exchange rate will be displayed on the statement for the conversion date. Clients may also deposit U.S. dollars with ArtaGM.
Trading TipsOver-the-Counter (OTC) trading and Pink Sheet trading do not guarantee best price matching, which may result in a situation where investors' own orders do not get executed while orders at worse prices in the market can be executed.
The financing ratio for U.S. stocks is up to 50% (for details, please refer to the advertisements on our company's website).
Some U.S. stock ETFs have leverage and directional characteristics. For example, TBT is a two-times leveraged inverse ETF that tracks the opposite direction of the Barclays 20-Year Treasury Bond Index. On the other hand, UGAZ is a three-times leveraged long ETF that tracks the S&P GSCI Natural Gas Index.