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Currency hedge – walking on the edge?

Author

Listed:
  • Fabio Filipozzi
  • Kersti Harkmann

    ()

Abstract

We study whether it is possible to find optimal hedge ratios for a foreign currency bond portfolio to lower significantly the risk and increase the risk adjusted return of a portfolio. The analysis is conducted from the perspective of euro area based investors to whom short-selling restrictions might apply. The ordinary least squares approach is challenged with the optimal hedge ratios found by the DCC-GARCH approach in order to investigate whether time-varying hedging is superior to the standard constant hedge ratios found by OLS. We find that hedging significantly lowers the portfolio risk in domestic currency terms and improves the Sharpe ratios for both single instrument and equally weighted multi asset portfolios. Optimal hedging using the standard OLS approach and using time-varying hedging give similar results, the latter being superior to the first in terms of risk-adjusted return.

Suggested Citation

  • Fabio Filipozzi & Kersti Harkmann, 2014. "Currency hedge – walking on the edge?," Bank of Estonia Working Papers wp2014-5, Bank of Estonia, revised 10 Oct 2014.
  • Handle: RePEc:eea:boewps:wp2014-5
    as

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    References listed on IDEAS

    as
    1. John Y. Campbell & Luis M. Viceira & Joshua S. White, 2003. "Foreign Currency for Long-Term Investors," Economic Journal, Royal Economic Society, vol. 113(486), pages 1-25, March.
    2. John Y. Campbell & Karine Serfaty-De Medeiros & Luis M. Viceira, 2010. "Global Currency Hedging," Journal of Finance, American Finance Association, vol. 65(1), pages 87-121, February.
    3. Donald Lien & Y. K. Tse & Albert Tsui, 2002. "Evaluating the hedging performance of the constant-correlation GARCH model," Applied Financial Economics, Taylor & Francis Journals, vol. 12(11), pages 791-798.
    4. Walker, Eduardo, 2008. "Strategic currency hedging and global portfolio investments upside down," Journal of Business Research, Elsevier, vol. 61(6), pages 657-668, June.
    5. Yuan-Hung Hsu Ku & Ho-Chyuan Chen & Kuang-Hua Chen, 2007. "On the application of the dynamic conditional correlation model in estimating optimal time-varying hedge ratios," Applied Economics Letters, Taylor & Francis Journals, vol. 14(7), pages 503-509.
    6. Lien, Donald, 2009. "A note on the hedging effectiveness of GARCH models," International Review of Economics & Finance, Elsevier, vol. 18(1), pages 110-112, January.
    7. Black, Fischer, 1990. " Equilibrium Exchange Rate Hedging," Journal of Finance, American Finance Association, vol. 45(3), pages 899-907, July.
    8. Kim, Daehwan, 2012. "Is currency hedging necessary for emerging-market equity investment?," Economics Letters, Elsevier, vol. 116(1), pages 67-71.
    9. Choudhry, Taufiq, 2004. "The hedging effectiveness of constant and time-varying hedge ratios using three Pacific Basin stock futures," International Review of Economics & Finance, Elsevier, vol. 13(4), pages 371-385.
    Full references (including those not matched with items on IDEAS)

    More about this item

    Keywords

    optimal hedge ratios; portfolio risk hedging;

    JEL classification:

    • C32 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes; State Space Models
    • C58 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Financial Econometrics
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets
    • G23 - Financial Economics - - Financial Institutions and Services - - - Non-bank Financial Institutions; Financial Instruments; Institutional Investors
    • G32 - Financial Economics - - Corporate Finance and Governance - - - Financing Policy; Financial Risk and Risk Management; Capital and Ownership Structure; Value of Firms; Goodwill

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