This Blog is Systematic

Also hydromatic, automatic: "It's Geeks Enlightening" Rob Carvers blog about quant trading, investing, and economics.

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Friday, 3 July 2026

Jumping back in the pool(ing): testing pooling by asset class and portfolio weight distance

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This is post #10 in my 2026 series on portfolio optimisation. Time for a quick recap. I'm not going to revisit every post but instead su...
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Monday, 29 June 2026

Rolling, rolling, rolling.... updating statistical estimates yes or no

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 The mega blog post series on portfolio optimisation continues! A couple of posts ago, here , I looked at using the idea of formal testing f...

One of These Things (Is Not Like the Others). Or is it? Pooling rule p&l estimates across instruments.

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 This is the eighth post in a series I'm writing on portfolio optimisation. I haven't done one of these for a few posts, so here is ...
Tuesday, 23 June 2026

Breaking Badly: finding the structural breaks in parameter estimates

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 Here's a nice picture from a lovely book  written by a top bloke : It shows the cumulative p&l from different speeds of momentum ov...
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