One characteristic of bubbles that lends itself to being exploited by trend-following methodologies is that bubbles generally unfold over the span of several years or more. This can be seen in the charts below of bubbles in various stock, currency, and commodity markets. These dynamic moves gain speed and often spike higher in the final year or two of the move before they begin their descent. Trend-following strategies, like relative strength, are designed to start participating early enough in the move that the money made during the ascent more than compensates for the losses experienced during the trend deterioration phase. Once the change in trend has become sufficiently apparent, trend-following strategies exit the trade and begin the search for the next dynamic move.
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Source: James Montier, GMO Asset Management
The advantage of a global tactical asset allocation strategy is its ability to seek out dynamic trends in a wide variety of asset classes and thereby increasing the probabilities of more consistent returns.
Posted by Andy Hyer