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TradingServer1, TradingServer2: these are both well specced i7 32GB that I use for trading. At the moment I use only one machine for trading, the other is a cold backup (turned off, but only a git and data pull away from being live), and I switch them over fairly regularly. I might occasionally...

I do something similar; any price change greater than 8 sigma has to be checked manually before going in the Db. And yes, I've seen the '1' price before, although not for a few years. And as it happens I got a lot of price 8 sigma triggers yesterday, which may well have been due to this issue...

Obviously being within easy travelling distance of my talks is also very important. GAT

Will be curious to know how much this is going to cost you, and how easy it would be. GAT

1x It's extremely rare that the optimal leverage is greater than what the broker offers you. So must people shouldn't be leverage constrained. GAT

I would add being able to tell the difference between a skill and an attribute. GAT

So is Chelmsford :) But seriously. If you're an independent trader then where you live will could in theory be anywhere (optimised for quality of life, cost, and tax system), but will also have some path dependence. A lot of succesful traders, in my experience, are ex industry professionals and...

Norway is a lot more expensive and tax much higher. France slightly cheaper but not Paris Both much nicer places to live than the Uk of course. GAT

Tax is higher in a lot of those places. GAT

Good idea, will make a note of that. I think it's the 26th June. I note in passing that I've interpreted 'cash' to mean 'not futures'. Clearly Vol and swaps, and arguably ETFs, aren't really 'cash' since they're all still derivatives (admittedly ETFs are delta-one). GAT

Well it's already open source https://github.com/robcarver17/python-uk-trading-tax-calculator/tree/master .... I hadn't actually updated the code for many years, although my local copy I have been updating. I just did some tidying up and it seems to run okay with the provided example files...

Ken, UK CGT doesn't use FIFO, it's a lot more complicated than that. The flexreport is no use, I use the trade by trade data from the standard activity report. See here. Here's the key part: "When you dispose of shares you cannot work out your capital gain or loss until you have matched the...

So I have a lot of experience with this, since one of my main achievements was adding a lot of non futures markets to the AHL portfolio. As well as costs and logistical issues, there are problems leveraging and going short cash markets; plus the difficulty of modelling them compared to futures...

Correct; I didn't read the OP properly, it would be processes not threads that are spawned. GAT

It's based on the IB activity report. This actually does give you all the info you need, but obviously you have to do the calculations yourself. For interest and dividends (which are taxed as income so seperately from CGT) I ignore accruals, and just put cash receipts into my tax form. These...

It comes down to whether you are paying CGT or income tax. As discussed earlier in the thread, for most futures traders you are paying CGT. If you are paying CGT: then in theory you need to list each trade. I've always done this, so I've never tested to see if you could get away with anything...

Yes that's exactly what I was thinking of doing. Might even try and run it across multiple machines (at least for backtesting). GAT

Yeah but you said "no back tester will help general trading/research incompetence." Which I absolutely agree with. But then you added: "I would be surprised if any result from any back tester worked profitably in the real world" Which is clearly invalid. GAT

Tell that to my bank manager GAT

There are *many* generic backtesters in python. I really ought to keep a list as this question gets asked so often. But there a list at the bottom of this page. In fact once you have backadjusted futures prices, you can use any backtester really, as long as you aren't bothered about being very...