A Segmented and Observable Yield Curve for Colombia

Castro-Iragorri, Carlos; Peña, Juan Felipe; Rodríguez, Cristhian

doi:10.2478/jcbtp-2021-0019

Abstract

Following (Almeida, Ardison, Kubudi, Simonsen, & Vicente, 2018) we implement a segmented three factor Nelson-Siegel model for the yield curve using daily observable bond prices and short term interbank rates for Colombia. The flexible estimation for each segment (short, medium, and long) provides an improvement over the classical Nelson-Siegel approach in particular in terms of in-sample and out-of-sample forecasting performance. A segmented term structure model based on observable bond prices provides a tool closer to the needs of practitioners in terms of reproducing the market quotes and allowing for independent local shocks in the different segments of the curve.

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A Segmented and Observable Yield Curve for Colombia

Abstract

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