---
title: Optimal Currency Strategies Under Deviations From Interest Parity
url: https://www.ml-quant.com/papers/repec/nbr-nberwo-35498/
site: ML-Quant (https://www.ml-quant.com)
updated: 2026-10-09
license: Summaries CC BY 4.0; links go to the original sources
index: https://www.ml-quant.com/llms.txt
identifier: RePEc:nbr:nberwo:35498
source_url: https://econpapers.repec.org/RePEc:nbr:nberwo:35498
featured: 2026-10-09
citations: unknown
topic: Portfolio & Allocation
---


# Optimal Currency Strategies Under Deviations From Interest Parity

Extending Campbell et al., the analysis shows empirically measured deviations from interest parity reverse optimal currency demands for emerging-market investors.

- Source: https://econpapers.repec.org/RePEc:nbr:nberwo:35498
- Identifier: RePEc:nbr:nberwo:35498
- Released: 2026-09-26
- First featured: Quant Letter No. 134 (2026-10-09): https://www.ml-quant.com/issues/2026-10-09/
- Citations (Semantic Scholar): not tracked
- Published in: not yet
- Topic: Portfolio & Allocation
- Authors: Luis M. Viceira, Sally Shen

## Related

- [Currency Portfolios and Global Foreign Exchange Ambiguity](https://www.ml-quant.com/papers/ssrn/4742236/): The study examines the effect of global foreign exchange ambiguity on currency portfolios, finding that high ambiguity leads to high currency carry returns and uncovers uncertainty not captured by FX volatility.
- [A Multi-Strategy Quantitative Portfolio](https://www.ml-quant.com/papers/ssrn/7561158/): Eleven systematic strategies across equities, futures, and currencies achieve a 1.91 Sharpe ratio net of costs from January 2012 to June 2026, with 23.6% compound annual return.
- [Currency Markets: Portfolio Inertia vs Expected Returns](https://www.ml-quant.com/papers/ssrn/5107382/): Portfolio Inertia vs Expected Returns: Expected excess returns in currency markets can result from portfolio adjustment costs, not just risk premiums, as evidenced in data from nine inflation-targeting economies with floating exchange rates.
- [Foreign Portfolio Investment and Index Crash Risk](https://www.ml-quant.com/papers/repec/taf-oaefxx-v-12-y-2024-i-1-p-2305481/): Research shows that exchange rate fluctuations and investor sentiment significantly impact country index crash risk, while net foreign portfolio investment has minimal effect.
- [Global Market Portfolio](https://www.ml-quant.com/papers/ssrn/4937996/): A study of a $150 trillion global market portfolio from 1970-2022 shows it is more stable than equities, despite a similar Sharpe ratio, with risks appearing larger in non-U.S. currencies.
- [Net Foreign Portfolio Inflows in Nigeria](https://www.ml-quant.com/papers/ssrn/4865454/): Higher interest rates in Nigeria can boost net portfolio inflows and potentially stabilize the exchange rate, but this depends on the Central Bank's ability to manage foreign exchange.
