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Curve Correlation Back To Pre-Banking Crisis Levels

AUSSIE BONDS

Towards the end of March, there was a noticeable reduction in the cross-market curve correlation between AU and US, which was attributed to a lessening of global banking concerns.

  • The cash AU 3/10 and the US Tsy 2/10 curve correlation is now at pre-banking crisis levels. This suggests that the markets have shifted their attention towards domestic drivers instead of banking sector stress.
  • Over time, the cash yield differential between the AU 3-year and the US 2-year is expected to become the primary driver of relative curve movements. This aligns with historical trends where global curve correlations weaken as the tightening cycle matures, and policy rates follow their independent paths.
  • A simple regression of the AU 3/10 - US 2/10 curve box against the short-end yield differential over the current tightening cycle lends support to this notion. Presently, the AU curve is 11bp too flat relative to the US curve. At the peak of banking concerns, the regression error was -22bp.
Figure 1: Rolling 10-day Correlation – ACGB 3/10 Curve Vs. US Tsy 2/10 Curve

Source: MNI – Market News / Bloomberg

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