On Markov-modulated exponential-affine bond price formulae

Robert J. Elliott, Tak Kuen Siu

Research output: Contribution to journalArticlepeer-review

54 Citations (Scopus)


We consider the bond valuation problem when the short rate process is described by a Markovian regime-switching Hull-White model or a Markovian regime-switching Cox-Ingersoll-Ross model. In each of the two short rate models, we establish a Markov-modulated exponential-affine bond price formula with coefficients given in terms of fundamental matrix solutions of linear matrix differential equations.

Original languageEnglish
Pages (from-to)1-15
Number of pages15
JournalApplied Mathematical Finance
Issue number1
Publication statusPublished - 2009
Externally publishedYes


  • Bond valuation
  • Exponential affine form
  • Fundamental matrix solution
  • Regime-switching forward measure


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