All Weather® is Bridgewater's optimal beta portfolio, a strategic asset allocation mix that Bridgewater believes will produce favorable risk-adjusted returns. As with Pure Alpha®, All Weather can be run at various degrees of aggressiveness based on client-specified risk and return objectives. The strategy is called All Weather because it is designed to perform equally well across all market environments. We manage All Weather portfolios independently, as well as with our optimal alpha strategy, Pure Alpha. Pure Alpha overlaid on All Weather is Bridgewater's optimal portfolio.