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ASX unveils new bond repo benchmark as secured financing market booms

Reported by AFR
Sep 20, 2026· 2 min read
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Key Takeaways
  • • ASX has launched a Secured Overnight Funding Index for Australia (SOFIA), a new benchmark for measuring overnight AUD funding costs based on government collateral (GC1) repo transactions, establishing Australia's first standardized risk-free secured financing rate.
  • • The secured financing market in Australia is experiencing significant growth, driven by rising international capital inflows into the country's fixed income market and expanding demand for bond repo services.
  • • Both LCH and ASX are actively exploring the launch of dedicated repo clearing services for Australian government bonds, with representatives engaging in formal talks with industry participants through the Australian Financial Markets Association.
  • • ASX has expanded its benchmarking and derivatives capabilities, having recently launched Australia's first exchange-traded bond and credit index futures contracts to complement the new secured funding benchmark.
  • • The infrastructure development signals growing institutional demand for transparent, standardized pricing and efficient clearing mechanisms in Australia's repo and secured financing markets, which now exceed $400 billion in reported volumes.
Summary
The Australian Securities Exchange has unveiled the Secured Overnight Funding Index Australia (SOFIA), a new benchmark designed to standardize pricing and transparency in the country's repo financing market. SOFIA measures the cost of overnight AUD funding based on government collateral (GC1) repo transactions and represents Australia's first established risk-free secured financing benchmark. The index is now in beta operation and will be calculated and published by ASX Benchmarks, positioning the exchange operator as the central administrator for this critical market metric.

The launch reflects accelerating growth in Australia's secured financing infrastructure. Both LCH and ASX have been engaged in advanced discussions with major fixed income dealers, coordinated through the Australian Financial Markets Association's industry committee, regarding the establishment of dedicated repo clearing services for Australian government bonds. This infrastructure push is directly tied to a demonstrable surge in international capital flowing into Australia's fixed income markets, which has substantially increased demand for efficient repo financing mechanisms.

To support institutional investors' growing hedging and positioning needs, ASX has simultaneously broadened its derivatives offerings by launching Australia's first exchange-traded bond and credit index futures contracts. These products provide institutional investors—including hedge funds and family offices managing fixed income exposure—with direct access to standard index benchmarks for managing duration and credit risk without relying solely on cash bond trading.

The market infrastructure developments underscore a fundamental shift in Australia's financial markets toward standardization and operational efficiency. As volumes in secured financing have grown substantially, the absence of transparent, centralized benchmarking and clearing mechanisms has become a material constraint. SOFIA addresses the benchmarking gap, while the parallel clearing discussions aim to reduce counterparty risk and operational friction in what has become a significantly larger and more internationally integrated market segment.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

AFR ASX unveils new bond repo benchmark as secured financing market booms