Help & support
With an SMSF cash management account (CDIA), you'll have easy access to your funds and enjoy discounted online brokerage with CommSec, Australia's leading online share trading broker.1
Receive contributions, pay expenses and facilitate drawdowns with your CDIA. No account keeping fees and no minimum or maximum balances.2
You can also view and manage your account online with NetBank and the CommBank app.
After you've set up your CDIA, you can apply for CommSec Notice Investor (CNI). CNI is a high-interest savings account with a withdrawal notice period linked to your CDIA.
Earn a competitive variable interest rate of up to 4.75% p.a., exclusive to SMSFs.3
Link your CDIA to a range of other investing options including Term Deposits, ETFs, Aussies shares and global markets.
Plus, receive discounted brokerage when you trade shares online with CommSec, Australia's leading online share trading broker.1
Exclusive rates of up to 4.75% p.a. for SMSFs3
Earn higher interest with a linked CommSec Notice Investor (CNI) account. You'll need a CDIA first to apply.
The CNI high-interest savings account with a withdrawal notice period (2 or 7 days) is designed to help your cash go further with a competitive variable interest rate.
Interest rates are subject to change, subject to eligibility, and differ for other entity types - refer to Interest Rates on Transaction, Savings and Investment Accounts and CommSec Notice Investor Interest Rates for applicable rates. For CommSec Notice Investor (CNI), there are different interest rates based on the notice period and when the funds are on hold, on notice, or at call.
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.
When you open a CDIA online, 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).
Using the CommBank app (existing CommBank customers):
Using another financial institution:
If you are transferring from a personal account, you should seek guidance from your SMSF professional first, as this may have taxation and compliance implications.
Yes. You can have more than one CDIA for different purposes, for example you can choose to have a CDIA in your name and a separate CDIA set up for an SMSF. While you can create multiple CDIAs under your CommSec profile, accounts that are outside of the Target Market Determination (TMD) may be closed in accordance with the Transaction, Savings and Investment Accounts (TSIA) Terms and Conditions.
When you open a CDIA as the cash management account for your SMSF, a CommSec Australian Share trading account will automatically be opened.
You can also link your CDIA to a range of investing options including:
To move funds from an APRA-regulated super fund (such as an industry or retail fund) into a CDIA in your SMSF’s name, there are several requirements to meet first. For more information, read How to roll over your super and make contributions to your Self-Managed Super Fund.
Once your SMSF is ready to receive funds, there are three main ways to contribute:
and 2 types of contributions:
For more information, read How to roll over your super and make contributions to your Self-Managed Super Fund.
Yes. You can access your SMSF’s CDIA and make transactions in NetBank and the CommBank app. Once you have logged in using your NetBank ID, you can also switch to CommSec and navigate easily between both sites.
You can view your SMSF’s CDIA and SMSF Portfolio in the CommBank app by selecting ‘View all features’ on the home screen and selecting 'SMSF portfolio' under 'Invest your money'.
Without a valid TFN or a TFN exemption applied to your CDIA, you may be subject to withholding tax from any interest earned on your account/s.
To provide your TFN or exemption, please contact the Commonwealth Bank on 13 1998 or visit your local branch to update your TFN details.
If you wish to provide your TFN for share trading purposes, you'll need to provide it directly to the relevant share registry.
No, there’s no minimum balance requirement for a CDIA opened through CommSec.
Interest earned on your CDIA is calculated daily and credited to your account on the first calendar day of each month.
You can also check the current interest rate applicable to your CDIA. See the ‘SMSF’ column in the ‘Commonwealth Direct Investment Account’ table.
There are no account-keeping or electronic transaction fees for CDIA. Online transfers, direct debits and withdrawals from Commonwealth Bank ATMs within Australia are also free.
Prior to withdrawing funds from your SMSF’s CDIA, you should seek guidance from your SMSF professional first to ensure compliance with tax and super regulations.
For a complete list of potential fees and charges that may apply, please read the Transaction, Savings and Investment Accounts Terms and Conditions and the CBA Financial Services Guide. Rates and fees are subject to change.
This information may include general advice but does not take into account your individual objectives, financial situation, needs or tax circumstances, and so you should consider the appropriateness of the advice having regard to your circumstances before acting on it. You should consider seeking independent professional financial, tax and/or legal advice before making any decision based on this information.
1 As decided by Money Magazine winner 2025 for Best value feature packed sharebroker and Mozo People's Choice Award 2024. To be eligible for discount brokerage you are required to trade online, be CHESS sponsored and have your CDIA linked for settlement. Trades linked to a settlement account from another financial institution and trades placed over the phone incur additional fees. See our rates and fees for more information.
2 Access fees may apply when using networks' overseas or non CommBank networks’ domestically or any transactions involving currency conversion.
3 Interest rates are subject to change. Only available for accounts set up as a Self-Managed Super Fund (SMSF) where customers have applied through CommSec, or as agreed with a Private Banker at the time of account opening or upon your request. Customers with a pending SMSF CNI application submitted prior to 22 April 2026 may not receive SMSF pricing. If you believe you are eligible you may contact CommSec to request a switch.
4 If one of the trustees is an existing CommSec or CommBank customer, you can start your CDIA application online.
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.
You can view the CommSec Notice Investor Terms and Conditions, Commonwealth Direct Investment Account Terms and Conditions and Financial Services Guide (PDF) on the CommBank website, and should consider them before making any decision about these products and services.
You can view the CommSec Share Trading Terms and Conditions (PDF), Best Execution Statement, International Shares Terms and Conditions and our Financial Services Guide (PDF) and should consider them before making any decision about these products and services.
General Information and Terms and Conditions for Term Deposits and Electronic Banking are available here or from any branch of the Commonwealth Bank. The target market for this product can be found within the product's Target Market Determination. Please view our Financial Services Guide (PDF).
