Belgium 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?

  
  For accurate inflation forecasting, bond maturities should correspond to the forecast horizon; the 5Y–1Y spread is a standard example. For assessing real economic activity, the spread between the longest and shortest available tenors generally performs best, with the 10Y–2Y spread serving as the standard benchmark. The high correlation among broad spreads means that one can usually be used in place of another without materially reducing forecast quality.

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

  
  The curve comprises 16 tenors ranging from 3 months to 50 years.
  - The short-end segment (3 months–2 years) is influenced by banking-system liquidity and monetary policy. The dense set of intermediate points makes this segment highly responsive to the central bank’s near-term policy decisions.
  - The mid-curve segment (2–7 years) reflects expectations for future GDP growth and inflation and serves as an indicator of the medium-term economic outlook.
  - The long-end segment (7–50 years) is driven primarily by expectations regarding structural stability and sovereign risk. The 50-year horizon serves as a barometer of confidence in the country’s long-term stability.

• When are the new Belgium yield curve values published?

  
  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.