Is Mercury Securities Online Trading Safe?

All accounts and trading information that you transmit online is secured and private. To ensure the security of data transmission, we adopt proven encryption technology using Secure Sockets Layer (SSL), Firewall and Pin Number.

When will my trade orders be executed?

All trades will be executed during normal Bursa Malaysia Securities Berhad (BMSB) trading hours. In the morning session, the trading hour starts from 9.00 a.m to 12.30 p.m. local time (GMT + 08:00) and for the afternoon session, trading begins from 2.30 p.m to 5.00 p.m. local time (GMT +08:00)

Can I place my orders after the specified trading hours?

Orders placed after close of market at 5.00 p.m. local time (GMT +08:00) will be queued for execution on the following trading day when market opens.

Can I amend or cancel my orders?

Yes, you are allowed to amend the quantity of your orders and to cancel any of the unmatched orders.

Is there a minimum trade amount needed every month to avoid fees or to enjoy certain rates?

No, we currently do not have a minimum trade amount. There is no minimum number of transactions required per month.

Is Direct Business such as Married Deals allowed through Online Trading?

No, Online Trading does not facilitate Direct Business activities.

What transaction costs will I pay for online trades?

Online stock trades will be charged Brokerage fee (also SST if applicable), Clearing Fee and Stamp Duty based on the standard BMSM fee structure.

I was disconnected from the Internet in the middle of a transaction. What must I do next?

You have to re-login and check your order status. If you have any further problems, please contact our helpdesk (Tel no. 03-62037227 or 04-3701479) or your Dealer’s Representative(s) for further assistance.


Who is eligible to open a trading account?

  • Must be 18 years of age and above
  • Must not be an undischarged bankrupt
  • Must have a Bank Account

I am new to Mercury Securities. How can I subscribe to Mercury’s Online Trading Services?

To be able to trade online through Mercury StraightThru (MST), you must have the following:

  1. Trading account and Online Agreement
    You may sign up for a trial account through our online platform via If you decide to upgrade to a live trading account, there is a direct link within the MST platform, or you may complete our onboarding directly through this link
  2. Central Depository System (CDS) Account
    You may sign up CDS account through our online onboarding platform via, or you may download them from Bursa’s website (here) and return the duly completed forms to us. You may also open your CDS account using the “Bursa Anywhere” App.

You may also visit any of our offices to open the accounts.

If you are an existing client and have a trading and an active CDS account with us, the easiest way is begin trading online is to complete the Online Trading Agreement and return it to a branch, your remisier, or email a scanned copy to

What are the documents that I will need to submit?

You will need to provide:

  1. A scanned clear copy of your identity card (NRIC front and back) OR valid passport (personal details page),
  2. A scanned copy of your recent bank statement (latest 1 month of transaction details) which contain the bank logo, name of beneficiary owner and bank account number. The bank account can be either your own or a joint account wherein the bank statement clearly shows your name.
  3. Salary slip / Form J (IRB’s Notices of Assessment)

I’ve submitted my Online Trading Application. What shall I do next?

We will begin processing your application and if necessary, will call you for clarification/confirmation. It will take approximately 3-5 working days to process your account. Once your account is vetted and confirmed, you will be notified and be able to enjoy the facilities of Mercury Online Trading Services.

Why didn’t I receive any emails after I successfully completed the online account opening process?

Please check your Spam or Junk mail box / folder. The email may have been automatically and mistakenly diverted by your email system.

If you still did not receive the email, please contact us through chat or our Customer Service Representative at +604 – 3701479 / +604 – 3322123 ext 321 or email us at

Do I need to place a deposit to trade?

Yes, a deposit in cash or shares is required to enable us to set you a trading limit.

Can I open a joint trading account for online trading?

No, in compliance with Bursa Malaysia Depository Sdn Bhd’s rules and regulations, joint account is not permitted.

Can I open more than one trading account with Mercury Securities Sdn. Bhd.?

Yes, you can open more than one trading account. However, approval is on a case-to-case basis.

If I am a foreigner, can I open a trading account?

Yes, you can. However, you may be required to comply with the rules and regulations stipulated by Bank Negara Malaysia and Bursa Malaysia Depository Sdn Bhd rules. You will be able to open a Direct or Nominee CDS account.

How do I change my particulars in my CDS Account after I have submitted the application online?

You may update your particulars through the Bursa Anywhere app once your account has been opened or submit to us your duly completed CDS updating form.

How do I change my particulars in my Trading Account after I have completed the online application process?

If you would like to change your trading account details, please contact our Customer Service Representative at +604 – 3701479 / +604 – 3322123 ext 321 or email us at


When must payment be made for shares bought?

Payments can be made anytime within the two (2) market days settlement period after the transaction. All payments must reach us no later than the second (2nd) market day (T+2) after the date of transaction by 2PM. If payment is not received by due date, the contract will be forced-sold by the Company without notification.

What happens if I miss payments for the shares purchased?

If you miss payment for your purchases, your shares will be force-sold on the 3rd market day after the date of transaction (T+3). A contra charge will be levied on the force-sold contracts. The forced sold value will be set-off against your purchase cost and contra charges.

How do I receive my money for my shares sold?

You will receive the sales proceeds of the shares sold in the form of a cheque favouring your name. Your cheque will be issued on the 2nd market day after the day of your sell transaction (T+2). You can collect the cheque personally on T+2 after 12 PM from the counter. Alternatively, you may also request that the cheque be forwarded to your dealer or remisier by signing an authorisation form or you can instruct Mercury to bank in all your sale proceeds to your bank account.

How do I pay or receive money for contra gains/losses?

Contra gains cheque/payment will be issued on T+3 market days, that is 3 market days from the day of sale/contra. You can collect the cheque on T+3, after 11:30PM from the counter.

Contra losses are to be settled within the grace period, that is 5 market days from the day of sale/contra (T+5). An interest would be charged if payments are made after the grace period.

How do I deposit/withdraw or make payment to Mercury Securities?

For Customers using the Mercury StraightThru (MST) or MST28 Online Trading Platforms: If you wish to withdraw or deposit funds into your trading account promptly, you may click the “Cash Deposit/Withdrawal” buttons located in the platforms after you log in.

For Customers not using Mercury StraightThru (MST) or MST28: Please contact our Customer Service Representative at +604 – 3701479 / +604 – 3322123 ext 321 or email us at

How do I contact you if I have further queries?

Don’t worry! We at Mercury Securities are always happy to serve you. Should you have any further queries, please do not hesitate to contact our Customer Service Representative at +604 – 3701479 / +604 – 3322123 ext 321 or email us at Alternatively, you can contact us via Facebook & Instagram chat or through the Chat app on our homepages: