I am a college student and I have recently learned about Nelson-Siegel-Svensson method which is used by the German Federal Bank to determine the yield curve. I have to generate yield curves of different shapes using historical data ($\beta_0$, $\beta_1$, $\beta_2$, $\beta_3$, $\tau_1$ and $\tau_1$) which I am free to choose myself.

On the website of the German Federal Bank I see the monthly and daily estimated parameters for the period from September 1972 until today. I have the formula but I am not sure which numbers to use. Could somebody please explain to me, whether the monthly estimated parameters are suitable to generate an yield curve for the next 10 years?

I am sorry if the question is too easy. I would be very grateful, if anyone could help me to understand which parameters I can use.

  • 1
    $\begingroup$ Love the profile pic. Please make the life of would be answerers easier by linking to the site with the estimated parameters. $\endgroup$
    – Giskard
    Commented Jun 19, 2020 at 16:04
  • $\begingroup$ Thank you:) here is the link: bundesbank.de/dynamic/action/en/statistics/… $\endgroup$
    – Amy
    Commented Jun 19, 2020 at 16:25

1 Answer 1


If anyone ever wonders the same, I´ve just tried weighting the monthly parameters and that leads to the correct interest rates :) you take 1 / 12 * ∑ (12 values of the respective parameter for the respective year). The answer was way easier than I thought :D


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