A Volatility-Driven Asset Allocation (VDAA)
Morel, Christophe; Michel, Thierry; Michel, Laurent (2010), A Volatility-Driven Asset Allocation (VDAA). https://basepub.dauphine.fr/handle/123456789/5954
TypeDocument de travail / Working paper
Series titleCAHIER DE RECHERCHE DE DRM
Series numberN° 2010-13
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Abstract (EN)This article advocates a systematic rebalancing process –Volatility-Driven Asset Allocation or VDAA – for dynamically managing the strategic asset allocation. The goal of the suggested algorithm is to adjust the asset exposures so as to reflect the assumptions investors used when determining their strategic allocation, in terms of balance between risk contributions and expected returns. Such an idea makes sense from the economic point of view of a risk-adverse investor who wishes to achieve a smooth long-run performance. The stable risk contribution is determined by a long-run target, with short-term deviations from this target driving the rebalancing of the portfolio exposure. Rebalancing between asset classes allows smoothing the global volatility of the portfolio by decreasing exposure in asset classes yielding temporarily higher risk contributions and by increasing weight in asset classes with temporarily lower risk contributions. Both our backtests and robustness study demonstrate that this risk rebalancing strategy is superior in terms of information ratio to traditional rebalancing rules.
Subjects / Keywordsasset allocation; rebalancing strategy; volatility
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