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How does risk-mode trailing stop work?
In addition to regular percent or point based stops, AmiBroker allows to define stop size as risk (stopModeRisk), which means that we allow only to give up certain percent of profit gained in given...
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Ruin stop or mysterious Short(6) in the trade list
When you back-test a trading system, you may sometimes encounter trades marked with (6) exit reason, showing e.g.: Short (6) or Short (ruin) in the trade list as in the picture below: As explained in...
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Separate ranks for categories that can be used in backtesting
When we want to develop a trading system, which enters only N top-scored symbols from each of the sectors, industries or other sub-groups of symbols ranked separately, we should build appropriate ranks...
View ArticleDifferences between 32-bit and 64-bit version
One common issue that surfaces pretty often is the lack of full understanding of differences between 32-bit and 64-bit versions of AmiBroker among users. This article tries to explain some of the most...
View ArticleLong-only rotational back-test
Rotational trading is a kind of backtest where you trade by switching positions between various symbols based on their relative score instead of traditional buy/sell/short/cover signals. Since there...
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Do not exceed real-time symbol limit
When we subscribe to a real-time datasource, such as eSignal or IQFeed – our subscription package determines how many symbols we can access in realtime at the same time. The plugin configuration in...
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Where does AmiQuote save downloaded data?
AmiQuote is a companion program shipped with AmiBroker, which allows data from free resources, such as Yahoo Finance, Google Finance and others. Since it is a separate application, then it can work...
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Calling custom user functions in our code
AFL language allows us to define reusable functions that can be used in our formulas. The following chapter of the manual explains the procedure in details:...
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How to register AmiQuote and AFL Code Wizard
AmiQuote and AFL Wizard are separate applications, therefore the registration process is also separate from registering AmiBroker and requires to enter the unlock code into Help->Register menu in...
View ArticleSupport response times
AmiBroker’s technical support staff everyday faces with very wide scope of subjects ranging from simple installation, lost registration details, password reminders questions to complex things like C++...
View ArticlePurchases from Hong Kong
Customers from Hong Kong sometimes have problems ordering because there are no ZIP codes in Hong Kong and SWREG system that we are using requires ZIP code. If you are buying using credit card, entering...
View ArticleAmiQuote Yahoo Historical stopped working
In May 2017 Yahoo Finance started making changes to their web services. During this time certain services may be interrupted or broken. Three AmiQuote functionalities are affected by recent Yahoo...
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How to install AmiQuote 3.14 correctly
AmiQuote 3.14 has been announced here: http://www.amibroker.com/devlog/2017/05/17/amiquote-3-14-released/ AmiQuote 3.14 is not a standalone installer, therefore – it requires AmiBroker installed on...
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Wrong close price in Yahoo data (no more?)
July 13, 2017 UPDATE : Today’s preliminary tests show that apparently Yahoo has fixed the data on their web site. At least few symbols that we have checked now display correctly adjusted close within...
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Limits of multithreading
From time to time users approach us asking various questions related to multithreading such as: Why his/her formula does not run 32 times faster on 16 core / 32 thread computer Will 16 core processor...
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