New Zealand Government Bond Yield Curve

FAQ

• What can the shape of the yield curve reveal about the likely future path of interest rates?

  
  The market interprets the likely path of interest rates and borrowing costs through four principal yield curve configurations:
  

  • A normal slope indicates expectations of gradually rising or stable rates, as the current monetary-policy stance is viewed as appropriate and long-term rates naturally exceed short-term rates. Further increases would be expected only if economic growth accelerated above its potential rate.
  • An inversion points to an expected rate-cutting cycle: market participants assume that currently elevated rates are restrictive, will cool the economy, and will ultimately force the central bank to ease policy in the near term.
  • A flat slope reflects either expectations that rates will remain high for an extended period or uncertainty about the central bank’s next move. As the market sees no compelling case for either a sharp rise or a rapid decline in rates, the gap between short- and long-term expectations becomes minimal.
  • A humped curve implies a volatile path: rates are first expected to rise or remain near peak levels over the medium term, followed by a material decline at the long end as economic conditions normalise.

• Which tenor combinations on the curve are most informative for analysing macroeconomic expectations?

  
  The choice of tenor combination depends on the forecasting objective. For inflation analysis, the forecast horizon should correspond to the maturity gap; a standard example is the 5Y–1Y spread for a five-year horizon. For assessing future economic activity, it is generally more effective to use the widest spread available on the curve, i.e. the difference between the longest and shortest tenors. The 10Y–2Y spread is the standard benchmark in this context. Because broad spreads are highly correlated, one may generally be substituted for another without materially reducing forecast quality.

• What are the specific considerations when analysing the short and long ends of the yield curve?

  
  The curve spans a range from 1 month to 10 years and comprises 7 tenor points.
  - The short-end segment (1 month–1 year) enables track the market’s reaction to central-bank actions and current liquidity conditions.
  - The long-end segment (2–10 years) reflects medium-term economic expectations rather than deep structural trends.

• How frequently is the New Zealand yield curve data updated?

  
  Curve values are published on each business day for the previous trading day. For example, data for 6 May 2026 are published on 7 May 2026.