UBS is positioning the Australian bond market for a potential landmark issuance, suggesting that a major US technology company could soon tap the local debt market to fund artificial intelligence infrastructure.

Nick Kalisperis, a senior banker at UBS responsible for syndication, indicated that domestic investors are flush with capital and actively seeking exposure to the AI sector, creating a unique window for a "white whale" deal to cap off a strong year for Australian-dollar bonds.

The prospect of a US hyperscaler entering the market highlights the depth of local demand for high-quality, thematic debt.

Australian investors have been aggressive buyers in recent months, driven by a search for yield and a desire to align portfolios with the global technology boom.

A successful placement would signal that the Australian market can absorb large, complex international mandates, further cementing its status as a key hub for Asia-Pacific debt issuance.

This potential deal comes against a backdrop of shifting monetary policy expectations.