Category: Data

Moving from Matlab to Python

What’s your favourite burger joint? This is probably the question I get asked most. Perhaps a more relevant question I get asked, is what are the best ways to move from Matlab to Python. For many financial firms, it is a very pertinent question. I used Matlab extensively during my career, particularly when I was…

Crowdsourcing in markets

What is crowdsourcing? If we ask Wikipedia, it tells us that it “is a sourcing model in which individuals or organizations obtain goods and services. These services include ideas and finances, from a large, relatively open and often rapidly-evolving group of internet users; it divides work between participants to achieve a cumulative result.” Within a trading context, how…

Data, trend following and more

One of the historical bedrocks of many quant funds, in particular those known as CTAs, has been trend following strategies. Funds such as Winton have largely been known as trend followers. Recently Risk.net published an interview with David Harding, the founder of Winton (link here and it’s well worth reading), alongside some of their thoughts. Harding…

Where does alternative data fit in?

I often get asked about where alternative data can be used during the investment process. In practice, I think the key point about alternative data, is that it isn’t an “alternative” to traditional data sources. Furthermore, very often you want to combine various alternative data sources together to generate a signal. This also means combining…

Cleaning data for trading

Nobody likes doing the boring stuff. We all want to go on holiday, but packing our bags is not the fun bit. We all want to have a nice burger (well, I do), but queuing for ages at an ever popular burger joint is not what we want. Traders all want to have positive P&L,…

Gauging how useful alternative data is

Hands up, if you’ve heard the words “alternative data” being used in quant circles recently? I can see a lot of hands up! I could ask the same questions for machine learning and artificial intelligence, and probably get the same reaction. The crux of any good trading strategy is using data as an input and…