Currency dynamicis in risk-off episodes

A new IMF paper suggests that there is much more to exchange rate dynamics in “risk-off” periods than correlation-driven risk shedding. Indeed, it provides evidence that economic fundamentals, particularly external balances, re-assert themselves precisely during the first twelve weeks after market turmoil has erupted, when the asking price for incremental economic and policy risk is steep.

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Why is volatility so low while uncertainty is still so high?

This note from Claudio Irigoyen and others supports the notion that implied volatilities naturally return to long-term trend even if economic uncertainty does not. While implied volatility is very sensitive to deteriorating conditions, actual and implied volatility under poor but stable conditions may be compressed by investor adaptation (defensive repositioning, risk management changes, easing risk aversion, etc.) and policymakers’ direct market intervention (liquidity supply, policy puts, etc.). Technically speaking, the first derivative of economic uncertainty indicators may condition the mean reversion of implied volatility.

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