Share Trading comparison

CMC Invest vs CommSec

The headline difference is brokerage structure. CMC Invest charges a flat $11 minimum on ASX trades, while CommSec's $5 minimum only applies if you link a Commonwealth Direct Investment Account and use CHESS sponsorship with them. Without that CDIA link, CommSec brokerage jumps to $29.95 on trades up to $9,999.99, which is a big swing for anyone not already banking with CBA.

By Investmatch Research Team · Last updated 12 September 2026
Choose
CMC Invest
if…
  • ›Want predictable flat ASX brokerage without needing a linked bank account
  • ›Trade US shares and want zero brokerage and no USD conversion spread on those orders
  • ›Want a desktop trading platform alongside the mobile app
  • ›Want automated dollar-cost averaging and distribution component breakdowns for tax time
  • ›Want a CGT calculator built in rather than exporting to a third-party tracker
See full CMC Invest breakdown
Choose
CommSec
if…
  • ›Already bank with CommBank and can link a CDIA to unlock the $5 ASX minimum
  • ›Want to buy fractional US shares rather than whole shares only
  • ›Want after-hours or overnight trading access
  • ›Want to trade bonds as well as shares and ETFs
  • ›Want same-day withdrawals and cash deposits at a CBA branch or ATM
See full CommSec breakdown

Where they differ

FactCMC InvestCommSec
ASX brokerage minimum$11 AUD$5 AUD (requires linked CDIA and CommSec CHESS sponsorship; otherwise $29.95 up to $9,999.99)
ASX brokerage percentage0.001% of trade0.0012% of trade
US brokerage minimum$0 USD$5 USD
Fractional shares (US)falsetrue
Auto-invest / DCAtrue (single asset level)false
Verdict

CMC Invest wins on flat, unconditional pricing and US trades; CommSec only makes sense if you're already a CommBank customer.

Common questions

How do CMC Invest and CommSec compare on asx brokerage minimum?

CMC Invest: $11 AUD. CommSec: $5 AUD (requires linked CDIA and CommSec CHESS sponsorship; otherwise $29.95 up to $9,999.99). CommSec's headline rate is conditional, so the real cost depends on your banking setup.

How do CMC Invest and CommSec compare on asx brokerage percentage?

CMC Invest: 0.001% of trade. CommSec: 0.0012% of trade. CMC is marginally cheaper on larger ASX trades above the threshold.

How do CMC Invest and CommSec compare on us brokerage minimum?

CMC Invest: $0 USD. CommSec: $5 USD. CMC is free on US trades; CommSec charges a minimum per US order.

When is CMC Invest the better choice over CommSec?

Pick CMC Invest if want predictable flat ASX brokerage without needing a linked bank account; trade US shares and want zero brokerage and no USD conversion spread on those orders; want a desktop trading platform alongside the mobile app; or want automated dollar-cost averaging and distribution component breakdowns for tax time.

When is CommSec the better choice over CMC Invest?

Pick CommSec if already bank with CommBank and can link a CDIA to unlock the $5 ASX minimum; want to buy fractional US shares rather than whole shares only; want after-hours or overnight trading access; or want to trade bonds as well as shares and ETFs.

CMC Invest or CommSec — what's the verdict?

CMC Invest wins on flat, unconditional pricing and US trades; CommSec only makes sense if you're already a CommBank customer.

Cost calculator
What would CMC Invest vs CommSec actually cost you?

Punch in your trade size and frequency. We'll do the full brokerage + FX + fees maths.

All data points side-by-side

Every verified fact for both platforms. Differences are highlighted.

FieldCMC InvestCommSec
account structure
CHESS sponsorship modelchesschess
Individual HINYesYes
Individual accountYesYes
Joint accountYesYes
Company accountYesYes
Trust accountYesYes
SMSF accountYesYes
Kids / minor accountYesYes
asset coverage
ASX shares supportedYesYes
ASX ETFs supportedYesYes
US shares supportedYesYes
US ETFs supportedYesYes
Other markets supportedUnited Kingdom, Canada, Japan, Germany, France, Netherlands, Belgium, Spain, Switzerland, Sweden, Denmark, Norway, Singapore, Hong Kong, New ZealandUnited States, Canada, United Kingdom, France, Germany, Italy, Netherlands, Hong Kong, Japan, Belgium, Norway, Spain, Sweden
Fractional shares (ASX)NoNo
Fractional shares (US)NoYes
Options tradingYesYes
CFDs supportedNoNo
Managed fundsYesYes
Bonds supportedNoYes
IPO accessYesYes
costs hidden
FX spread (AUD/USD)0.6%0.55%
FX spread (other currencies)0.6%0.55%
Holds USD accountNoYes
FX currency switch trick—No
Market data fees$0/month$0/month
Conditional order fees$0$0
Phone trade surcharge$59.95$59.95
Corporate action fees—Corporate actions (SPP, rights issue, takeovers, demergers, dividend payments) are not separately charged by CommSec. They are processed via the share registry/issuer. CommSec does not send trade confirmations for off-market events, so Sharesight/other tracker sync requires manual updates. Failed-settlement fees apply if payment is late ($10 minimum or 0.66% above $1,500).
costs visible
ASX brokerage minimum$11$5
ASX brokerage percentage0.1%0.12%
ASX brokerage threshold$1,000$25,000
ASX free trade conditions$0 brokerage on first ASX buy order per security per day for trades up to $1,000 (excludes margin loan settled trades and sells)Conditional: $5 minimum requires linked CDIA (Commonwealth Direct Investment Account) or CommSec Margin Loan as the settlement account AND CHESS sponsorship with CommSec. Without CDIA linkage, brokerage starts at $29.95 for trades up to $9,999.99 and 0.31% above. Promotional $0 brokerage offers occasionally run for new customers (e.g. 30 free trades up to $50,000 each, May–Nov 2026 offer for new sign-ups).
US brokerage minimumUS$0US$5
US brokerage percentage0%0.12%
Monthly platform fee$0/month$0/month
Annual platform fee$0/year$0/year
Inactivity fee$15$0
Withdrawal fee (AUD)$0$0
Off-market transfer fee$55$54
identity and trust
Legal entity nameCMC Markets Stockbroking LimitedCommonwealth Securities Limited
AFSL number246,381238,814
Year founded1,9891,995
Parent / ownershipCMC Markets plc (LSE: CMCX)Commonwealth Bank of Australia (ASX: CBA)
Country of incorporationAUAU
Public company statuspublicpublic
money movement
Minimum initial deposit$500$500
Minimum subsequent purchase$0$0
Deposit methodsPayID, Bank transfer (EFT), BPAYBPAY, Direct debit, Bank transfer (CDIA), Cheque, Cash deposit (CBA branch/ATM)
Settlement periodT+2 for ASX; T+1 for UST+2 (ASX) / T+1 (US)
Withdrawal time1-2 business daysSame-day to 1 business day (instant when funds in CDIA via real-time transfer)
platform ux
iOS appYesYes
Android appYesYes
Desktop platformYesNo
Demo accountNoNo
Free real-time market dataYesYes
Free research reportsYesYes
2FA supportauthenticator appSMS + authenticator
Customer support channelsphone, email, live chatphone, email, live chat (in-app), secure mail (in-platform), social media (X, Instagram)
Support hours (AU time)Monday-Friday, business hours AET (approx 8am-6pm)Phone 8am-6pm Mon-Fri Sydney time (general & options); extended trading-hours support during ASX session. No 24/7 support.
Education contentstructured coursesstructured courses
tax and reporting
Australian tax statementYesYes
Distribution component breakdownYesNo
CGT calculator / reportYesNo
Sharesight / Navexa integrationYesYes
trading mechanics
Market ordersYesYes
Limit ordersYesYes
Stop loss ordersYesYes
Conditional ordersYesYes
Auto-invest / DCAYesNo
Auto-invest sophisticationsingle assetnone
DRP (dividend reinvestment)YesYes
After-hours / overnight tradingNoYes

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