Understanding Defensive Shares on the ASX
During periods of market volatility, investors often look for stability in their portfolios. One way to achieve this is by investing in defensive shares on the Australian Securities Exchange (ASX). These types of stocks are typically associated with established, mature companies that have a track record of maintaining consistent profits and dividends, regardless of the broader economic conditions.
Defensive shares usually operate in sectors that provide essential goods and services, such as healthcare, consumer staples, and utilities. These industries are considered non-discretionary, meaning that consumers continue to need these products and services even during economic downturns. As a result, these companies tend to be more resilient to market fluctuations.
In addition to providing stable returns, many defensive companies also return a significant portion of their profits to shareholders through dividends. This makes them attractive to investors seeking regular income, especially during uncertain times.
Coles Group Ltd (ASX: COL) and Woolworths Group Ltd (ASX: WOW)
Australia’s two largest supermarket chains, Coles Group Ltd and Woolworths Group Ltd, are often categorised as defensive options. According to the Australian Competition and Consumer Commission (ACCC), these two companies account for a combined 67% of supermarket grocery sales nationally.
Despite high inflation and interest rate rises, Australians still rely on these companies for groceries and essential household items. During March, Coles shares lived up to their reputation as a defensive stock, rising roughly 3%. If you include the start of April, Coles shares are up 6% since March 2.
Meanwhile, Woolworths shares stayed relatively flat during March, rising just under 1%. Both performed significantly better compared to the 8% fall for the ASX 200. This demonstrates the resilience of these companies in challenging market conditions.
Telstra Group Ltd (ASX: TLS)
Telstra Group Ltd is Australia’s largest and longest-running provider of telecommunications and information products and services. It is considered a defensive stock due to its market share and the nature of its business, which revolves around essential, recurring mobile and internet services that people keep paying for, even during economic downturns.
Telstra has a strong dividend payment history, making it an attractive option for income-focused investors. During March, the company provided relief for investors, as its shares rose almost 2%. Despite being up more than 11% so far in 2026, it is still generating positive outlooks from brokers.
Macquarie recently retained their outperform rating on this telco giant’s shares with an improved price target of $5.64. This suggests that analysts believe there is still growth potential in the company.
Transurban Group (ASX: TCL)
Transurban Group is one of the world’s largest toll-road operators, managing and developing urban toll-road networks in Australia and North America. The company develops, operates, maintains, and finances toll-road networks. It is widely seen as a defensive ASX stock because it owns and operates toll roads that generate stable, long-term, and relatively predictable cash flows.
Despite its reputation, Transurban fell more than 3% during the month of March. However, this was significantly better than the broader ASX 200 index. This performance highlights the relative stability of the company compared to the overall market.
Conclusion
The performance of these defensive ASX shares during March illustrates their role in providing stability during volatile periods. Coles and Woolworths demonstrated resilience in the face of market declines, while Telstra and Transurban also showed strength in their respective sectors.
Investors looking for reliable income and stability may find defensive shares to be a valuable addition to their portfolios. However, it is always important to conduct thorough research and consider individual financial goals before making investment decisions.






