Austal Shares Hit New Low, But Is Support Beginning To Form?

Austal shares (ASX: ASB) are coming off new 52-week lows at A$4.45 last week, down 31.71% year-to-date, as markets continue to digest the shipbuilder’s February guidance downgrade and US accounting error that triggered the largest single-day decline in over a decade.

The Austal share price starts this week off at A$4.63, having steadied the ship slightly from the A$4.45 low early on Friday, as buyers tentatively stepped in under the A$4.50 level that has emerged as a critical support zone over the past month. The shares remain well below its early February trading range near A$7.00, before management’s shock announcement on 15 February that an accounting error in its US business had forced a material cut to FY2026 EBIT guidance.

That revelation sent the shares tumbling approximately 15% on the day, marking the steepest one-day fall for Austal in more than ten years and is clear to see on the 1 year chart below. The sell-off accelerated through late February, with the stock down almost 40% within a month of the announcement as markets reassessed both the company’s earnings trajectory and management credibility.

The guidance cut arrived alongside Austal’s FY2026 half-year results to 31 December 2025, which on the surface presented a mixed picture. Revenue and earnings showed strong year-on-year growth, underpinned by a robust and diversified order book spanning US Navy contracts, Australian defence projects, and expanding support services. Management highlighted ongoing delivery momentum in its US shipbuilding operations, including progress on steel vessel capabilities and infrastructure expansion funded by a A$200 million capital raising completed in March 2025 at A$3.80 per share.

Yet the accounting error in Austal USA overshadowed the positive operational metrics. The issue raised immediate questions about internal controls and project accounting complexity, particularly given the scale and technical demands of the company’s US defence contracts. Markets responded by repricing risk across the board: recent analytics show Austal’s estimated weighted average cost of capital has climbed to approximately 9.5%, some 42% above its ten-year median of around 6.7%, reflecting a higher equity risk premium and diminished confidence in near-term earnings visibility.

Technical Breakdown

From a technical perspective, the death cross that formed in early March, when the 50-day moving average crossed below the 200-day moving average, confirmed the breakdown of the prior uptrend and signalled that momentum had firmly shifted to the bears. The repeated tests of the A$4.50 zone last week suggest some buyers view current levels as attractive relative to the company’s contracted backlog and strategic positioning in defence shipbuilding, but the pattern of lower highs and lower lows remains intact.

Markets are now waiting for the next catalyst to determine whether the A$4.45 low could be the beginning of a turnaround, or whether there is further pain for ANN bulls in store. Bulls point to the strong half-year revenue growth, the scale of the order book, and the valuation compression after a 30%-plus decline as evidence that the sell-off has been overdone. They argue the accounting issue is a discrete event rather than a structural flaw, and that Austal’s exposure to elevated US and allied defence budgets provides a durable earnings tailwind.

Bears counter that the guidance cut and accounting lapse have fundamentally undermined trust, and that the complexity of large US defence programmes introduces ongoing execution risk and potential for further negative surprises. They note that even after the sharp decline, the market is applying a structurally higher risk discount to the stock, and that technical momentum remains firmly negative. The concern is that peak earnings may already be in the rear-view mirror, particularly if US Navy budget cycles or programme timing shift.

This one is far from settled, and the coming months will be critical. Clean, no-surprise updates on accounting controls and guidance stability in the second half of FY2026 could begin to rebuild confidence and allow the A$4.50 support to firm into a durable base, but for now, Austal sentiment remains shaky.