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TTU140: Why Trend Following is Smart Diversification ft. Bruno Gmür, Founder of Quantica

Top Traders Unplugged

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How to Estimate Your Covariance Matrix

In financial markets, your signal to noise ratio is very small. And there will always be shocks in the covariance matrix that per definition are shocks and are unpredictable. So we know that taking into account that correlation structure can improve the trend following returns. But it's something you have to accept because you cannot do anything about it. The real challenge of our investment approach is how to model how to estimate those covariance matrices that go into our signal generation process.

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