Thomas Stridsman has over 20 years experience in the financial markets.
He was an editor for Futures magazine and published two books on trading system development and money management.
He is now a fund manager at Alfakraft, specialising in short-term trend following strategies with a focus on dynamic size allocation and risk distribution algorithms.
In this episode we discuss strategy testing, why you need to normalise metrics, tips to creating robust strategies and why he doesn’t test entries and exits any more (and what to focus on instead).
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- The differences between short term trend following and long term trend following
- Why backtesting metrics should be normalised to give an accurate picture of performance
- Why you should look to restrict the number of consecutive winners and losers
- The difference between a good model and a profitable one
- Tips to creating robust systems
- Trading costs and when to include them in testing
- Using standard deviation to determine system robustness
- How his systems development approach has changed over the years
- The one particular insight that propelled his trading forward
- Applying Optimalf to position sizing
- The future of trading
Resources mentioned in this episode
- Thomas can be followed on his website alfakraft.se
- Thomas recommended the Futures magazine website, particularly the work of Murray Ruggiero
- He also mentioned the Attain Futures blog and the Tradingview website
- Recommended books:
Top tips from this episode
Here are few of my favourite takeaways from the chat with Thomas this week:
- Normalising metrics – something I’m sure many traders have been guilty of at times is looking at metrics in absolute terms, for example the average win as a $ amount, which can mean different things depending on the actual level of the instrument so normalised values, like percentages, may give a more accurate picture.
- Importance of money management – we hear this often but Thomas went as far to say that he even though he runs a fund, he uses the most basic entries and exits that can be found on the internet. He has an understanding of some basic things that work and he doesn’t spend time researching entries and exits, his focus is all on money management; ‘Money management makes all the difference’.
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