Turtle Backtesting since 1974
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Trading Order Out of Chaos
In the previous article we set out to cover a new asset class: Bond investments. We saw how by including bonds together with stocks we could improve on our portfolio performance. Is this mixture still good given that we are now shifting in the interest rate cycle to a Bond Bear Market? In this article we go about calculating the Bond Index going back 120 years to answer this question. Here is a chart since 1960 of US 1 and 10 year rates: W… Read more
Backtesting and Over-Leverage are the bane of any systematic trader. A shout out to Peter who raised both these points on the previous article in the series: Trading Numbers So, what are the two issues we’ll address in this week’s article:And to all those who don’t like spoilers: (2) will be covered in more detail later in this article series, so close your eyes; but foll… Read more
- Look ahead bias, and is it really that bad?
- Kelly is always touted as optimal. Is it really that optimal?
Following on from the previous post on ADP and slippage I’m writing up this brief note to share the pain, and hopefully get the point across: leave the News Alone Please. One of my systems that trades the EURUSD currency pairs actively, operates using stop-orders to enter the market and associated protective stops to limit the losses. You might have guessed it’s a momentum based strategy. The issue here is that when the market gaps, or is too thin, the orders won’t get executed. And this … Read more
Mean Reversion trading works for equities; and currencies. We saw in the last article how combining two simple ideas for equities produced a stable system over the last 30 years. Can we repeat a similar analysis for currencies? Yes! However, be warned. Currency trading is a different magnitude of difficulty to equity trading. Currency traders have had a real tough time since 2008 (take a look at the BTOP Barclay Hedge Currency Trader Index). As always it depends which pond yo… Read more
I understand how tedious it can be to have to manually write all the trades out. And MT4 is the worst at making your trade history accessible. This script will produce a csv file of your entire account history. It will enable you to ask some pertinent questions and work out relevant stats. You’ll find details on calculating the right trade-stats in the blog posts on this site. The output is stored in the C:\Users\XXX\AppData\Roaming\MetaQuotes\Terminal\<Funny Hex Number>\MQL4\Files dire… Read more
EURUSD tick data for the period 21st February 2016 to 26th February 2016. Zip file contains CSV files for each day. The format of the CSV files are: Local Time, Server Time, Server Time Milliseconds, Bid, Ask. The time resolution is in seconds. This means that there can be multiple quotes per second.
Following on in the series of Market Dynamics the NFPs presented a great opportunity to take a closer look at what happens during important news events. I’ve learned my lesson by now: don’t trade during news events. And this is especially true of stop orders in these situations. Price will just hop straight through. When it does the fill is awful, and the worst part, as happened on Friday: it reverts very quickly hitting any protective stops. The outcome? You book losses which could… Read more
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