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April 26, 2017

Quantutorial – Garbage In Garbage Out

One of my readers, let’s call him Francis, sent me an interesting email yesterday. Apparently he had been inspired by Scott’s original post on the use of scatter charts for what I call raw edge discovery (RED), for lack of a sexier term. So he proceeded to spend a significant amount of time on slinging spreadsheets in Excel, which can get quite involved and in my opinion is rather error prone as each extra condition requires the addition of at least one more column. His primary focus thus far had been mean reversion and he is now attempting to apply a similar approach to trending or momentum systems.

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April 21, 2017

Quantutorial – Linear Regression

A few weeks ago during my trip to Tenerife Scott produced a post on testing mean reversion in the context of parsing for what I personally categorize as ‘Raw Edge Discovery’ (RED). Since I was on vacation I had very little time to contribute to the ensuing discussion but I had been planning to circle back on Scott’s post for two reasons: First I was positively surprised by the high level of interest regarding machine learning and basic system development. Secondly, although being rather comprehensive, I had felt that his post could benefit from a more in-depth explanation of the math behind scatter charts, which of course directly relates to linear regression.

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March 27, 2017

The Ultimate Guide On Raw Edge Discovery

Earlier today the GoldGerb asked me how to put together a scatter plot for raw edge discovery as introduced to you by Scott during my Tenerife adventure. Since my gums and I are feeling a bit better than anticipated I thought I may as well condense some of the exchanges I’ve had with him into a dedicated post. It is my belief that raw edge discovery (or RED as it shall be known henceforth) is an integral but much neglected aspect of system development.

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March 24, 2017

Does Scaling-In Work?

I actually meant to focus on the tape at hand today and get back into the swing of things on the trading front. However since my main Internet connection just went bust two hours ago I decided to use my connective idle time as an opportunity to talk about an issue many of you may have been battling with at some point or the other: Whether or not to scale into positions. Does it work? Should you do it? The quick answer (and you knew this was coming): well, it depends.

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Cognitive Bias Carousel
  • Loss AversionLoss Aversion
    The tendency to treat money that has already been committed or spent as more valuable than money that may be spent or acquired. Imagine two … more
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