Your SMSF’s main cash management account

Receive contributions, pay expenses and facilitate drawdowns with your CDIA.

When you open a CDIA, a CommSec Australian Share trading account will also be opened.  

This will give your fund access to over 2,000 shares and ETFs listed on the Australian Securities Exchange (ASX). 

Only want a CDIA? Visit your nearest branch with all individual trustees or directors of the company trustee for the SMSF. 

Features & benefits

  • Unlock SMSF investment opportunities

    Link your CDIA to a range of investing options

    • Notice deposits - CommSec Notice Investor

    • Term Deposits

    • CommSec Australian Shares

    • CommSec International Shares

  • Take your cash further

    Unlock access to CommSec Notice Investor and grow your money for as long as you choose to, earning a competitive variable interest rate of up to 3.70% p.a.1

  • Seamless share trading

    When trading with CommSec, Australia’s leading online share trading broker2 A single log on lets you go between NetBank and CommSec with ease.

  • Discounted brokerage

    When you trade shares with CommSec and settle directly through your CDIA from as low as $5 per trade.3

  • Easy access

    View your account online and transfer money between CommBank accounts with NetBank and the CommBank app.

  • No account or withdrawal fees

    Make unlimited transactions with no monthly account or withdrawal fees.4

Take your cash further

Use your CDIA as a transaction account for your everyday investing needs, and you can move anything extra to your CommSec Notice Investor to earn interest at a higher rate to boost your cash for as long as you leave it there.

Explore CommSec Notice Investor

Rates and fees

See our latest CDIA rates

There are no monthly account or withdrawal fees. Other fees may apply.

Access fees may apply when using overseas or non-CommBank networks domestically. And all transactions involving currency conversion will incur fees.

How to apply

  • Don’t have a CommSec Share Trading Account?

    Settle your trades directly and enjoy discounted brokerage when you open a CommSec Share trading account and a CDIA.

    Open online now

  • Already have a CommSec Share Trading Account?

    Login to CommSec below and follow the prompts to add a CDIA to your list of accounts.

    Login to apply

  • Only want a CDIA?

    Visit your nearest branch with all individual trustees or directors of the company trustee for the SMSF.

Have this information handy to apply

    • Your SMSF name, Australian Business Number (ABN) and Tax File Number (TFN)
    • Your company name, business address and Australian Company Number (ACN) if you have a company trustee
    • The full names and contact details for trustees or directors
    • Your personal ID e.g. Australian driver's licence or passport if you’re new to CommBank or don’t have a NetBank ID

Learn more about Self-Managed Super Funds

Things you should know

  • 1 Interest rates are subject to change.

    2 As decided by Money Magazine winner 2025 for Best value feature packed sharebroker and Mozo People's Choice Award 2024.

    3 To be eligible for discount brokerage you are required to trade online, be CHESS sponsored and have your CDIA linked for settlement.

    Access fees may apply when using networks’ overseas or non CommBank networks’ domestically or any transactions involving currency conversion.

    Commonwealth Securities Limited ABN 60 067 254 399 AFSL 238814 (CommSec) is a wholly owned but non-guaranteed subsidiary of the Commonwealth Bank of Australia ABN 48 123 123 124 AFSL 234945. CommSec is a Market Participant of ASX Limited and Cboe Australia Pty Limited, a Clearing Participant of ASX Clear Pty Limited and a Settlement Participant of ASX Settlement Pty Limited. The Commonwealth Direct Investment Account (CDIA) and CommSec Notice Investor are issued by Commonwealth Bank of Australia ABN 48 123 123 124 AFSL 234945. These products are administered by Commonwealth Securities Limited. The target markets for the CommSec Notice Investor and Commonwealth Direct Investment Account can be found within the products' Target Market Determination, available at commbank.com.au/tmd.

    The information has been prepared without taking into account your objectives, tax and financial situation or needs. For this reason, any individual should, before acting on this information, consider the appropriateness of the information, having regards to their objectives, tax and financial situation or needs, and, if necessary, seek appropriate professional advice.

    You can view the CommSec Notice Investor Terms and Conditions, CommSec Share Trading Terms and Conditions, Best Execution Statement, CommBank Transaction Savings and Investment Account Terms and Conditions and our Financial Services Guide and should consider them before making any decision about these products and services.