Your CommSec Cash Account (CCA) & CommSec Investment Account (CIA) have been replaced with a single account, the new Commonwealth Direct Investment Account (CDIA), just one settlement account that earns you interest between investments.

Better Access

Better Access

Access your CDIA through NetBank.

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Reduced Brokerage Fees

You will continue to receive reduced brokerage from $19.95* per trade.

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Watch Demos

To find out more about how these changes affect you, watch our demos.

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Cash Management for Traders

The CDIA is a cash management account specifically designed for CommSec share traders, allowing you to trade, save and transact, when and where it suits you.

  • Seamless settlement of trades without having to transfer funds between multiple accounts
  • Low brokerage from just $19.95* per trade when you settle to your CDIA
  • Transact real-time on your cash account through NetBank, CBA's leading online banking platform
  • A full range of transaction functions and at-call access to your cash, plus an optional CBA Debit MasterCard┬«

Access through NetBank

CommSec Cash Management online services are moving to NetBank, CBA's award-winning online banking platform, which is instantly accessible once you have logged into CommSec.
You will also be able to log into NetBank with your NetBank ID to access CommSec and navigate freely between both sites.

By creating a link between CommSec and NetBank you will be able to manage your share trading, savings and margin lending portfolio via your CommSec login with an easy switch view to your NetBank cash account. With CDIA you will never miss an investment opportunity with instant access to your cash for your trade settlements.

Latest Updates

Debit MasterCard®

If you used your CommSec Debit MasterCard® in past 12 months, we will be sending you a new CBA Debit MasterCard.

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Transfers and Daily Limits

You can use your CBA Debit MasterCard for fee-free withdrawals and balance enquiries at any CBA ATM in Australia.

The default daily cash withdrawal limit is up to $1,000 per day but you can increase it up to $2,000 per day via NetBank. Your BPAY limit is set at $2,000 but you can increase this to $20,000 via NetBank.


You will receive a monthly statement for your CDIA either online through NetBank or in the mail based on your statement preferences held in CommSec today. Statements can be accessed and stored online for 7 years.

Interest Rates

You will earn interest between investments without the hassle of having to move funds between accounts.


More Access

You can now access your CDIA through the CBA branch network, with over 1000 branches across Australia.

The new CDIA also allows easy access to your cash through Cheque book facilities and the CBA Debit MasterCard.

Mobile Banking

Mobile banking provides access to a range of Commonwealth Bank services on the go.

Download the free CommBank app from the App Store, where you can access CommBank Kaching.

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All fees applicable to the CDIA account can be found in the Terms and Conditions.



CommSec Timeline

Further Information