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Safe-Haven Currency and Sequence Risk: A State-Dependent Swiss Franc Overlay for Global Portfolios

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  • Rubenstein, Elias

Abstract

Sequence-of-returns risk (SoRR) matters because the order of returns—rather than only their long-run average—determines whether real, inflation-indexed withdrawal plans survive the early retirement years. For EUR/JPY spenders invested in globally diversified, USD-centric portfolios, SoRR is co-determined by market and FX paths in the spending currency. This paper proposes a state-dependent Swiss-franc (CHF) overlay—implemented via cash/bills or liquid FX instruments—as crisis insurance rather than generic hedging. A transparent stress score triggers and sizes the sleeve; outcomes are evaluated on sequence-sensitive metrics (e.g., CVaR(95), maximum drawdown, time-underwater, and the 5th percentile of sustainable withdrawals). Indexing and FX procedures follow MSCI and WM/Refinitiv methodology; the design is fully auditable and modular for empirical tables/figures.

Suggested Citation

  • Rubenstein, Elias, 2025. "Safe-Haven Currency and Sequence Risk: A State-Dependent Swiss Franc Overlay for Global Portfolios," MPRA Paper 126680, University Library of Munich, Germany.
    • Handle: RePEc:pra:mprapa:126680
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    JEL classification:

    • C58 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Financial Econometrics
    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets
    • G17 - Financial Economics - - General Financial Markets - - - Financial Forecasting and Simulation
    • G31 - Financial Economics - - Corporate Finance and Governance - - - Capital Budgeting; Fixed Investment and Inventory Studies

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