How to export quotations from AmiBroker to CSV file ?
The easiest way to export quotes to CSV file is to use the below formula from Automatic Analysis window: (Analysis -> Automatic Analysis) Filter=1; AddColumn(O,"Open"); AddColumn(H,"High");...
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How does the intraday-to-daily compression work?
When you are using intraday database daily candles are usually constructed by time-compression of intraday (for example 1-minute data). AmiBroker offers lots of flexibility when it comes to defining...
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AmiBroker for FOREX
Here is an article that tells you everything you need to know about using AmiBroker for trading FOREX markets. I. DATA AmiBroker is very flexible as regards the datasources that can be used to feed...
View ArticleHow to combine two databases into one
If you ever wondered how to combine two databases into one this short article will show you how, but let us start with some background first… A database (or a workspace) is a directory that holds a set...
View ArticleSetting up with FXCM (forex broker)
I have just prepared instructions how to connect to FXCM (Forex broker) to get their real-time quotes. Also included is small example database (1 day worth of 1 minute data) and all required programs....
View ArticleHow to display the indicators based on Advances/Declines
In order to display indicators based on Advances/Declines first of all it’s necessary to calculate composities in the database: Open Categories window using Symbol->Categories menu item. Select base...
View ArticleAmiQuote and free data from Yahoo
There are a couple of things you need to know about Yahoo Finance pages that AmiQuote uses to download “historical” and “current” quotes. Current quotes are quotes for current day (or previous day if...
View ArticleHow to change property for multiple symbols at once.
In order to automatically change a property for many symbols – instead of manual action in Symbol -> Information dialog one can use OLE automation. For example – to unmark “Use only local database”...
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How to backfill all symbols in RT database
Various data sources have different backfill capabilities, therefore the procedure to backfill all symbols varies. There are three categories of data sources, those that offer: unlimited backfills...
View ArticleHow to import huge ASCII files quickly
From time to time we are asked how to import large text (ASCII) files quickly. Normally speed is non-issue for ASCII import as it is blazing fast. That kind of question typically comes from person who...
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How to combine data from multiple input files
Sometimes it is useful to update existing database with quotes from other source and sometimes we just want to update one data field, leaving other unaffected. For example we may want to import data...
View ArticleHow to correct forward looking timestamps
Some platforms, like Tradestation, use “future looking” timestamps in their data so for example 5 minute bar covering market activity from 9:30:00 till 9:34:59 is stamped with 9:35:00 (future time –...
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How to find correct symbol for Interactive Brokers data
Sometimes Interactive Brokers symbology may be difficult to figure out. It is however very easy to find out proper symbol using Contract Description window in the TWS. The general format for symbols...
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How to verify if EOD data is available for download at Google Finance
AmiQuote downloader allows to get free quotes from a number of sources included Google Finance. AmiQuote works like a specialized web-browser, so the quotations can be downloaded if they are accessible...
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Importing data using multiple column separators
When we import data from ASCII (plain text) files, sometimes the data in the input files are arranged in columns separated by different characters. This article shows how to configure Import Wizard /...
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How to delete quotes without removing the symbol from a database
In order to delete quotations from a local database manually, we can use Quotations Editor (Symbol–>Quote Editor), then mark the required range of quotes and press Delete button. To mark a range –...
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Choosing compression method for Aux1 and Aux2 fields
Apart from regular Open, High, Low, Close, Volume, OpenInt fields – AmiBroker database allows to store custom data in auxiliary fields called Aux1 and Aux2. This allows to import our custom arrays and...
View ArticleImporting auxilliary data into AmiBroker database
AmiBroker database structure offers the following fields: Open, High, Low, Close, Volume, OpenInt, Aux1, Aux2. The last two fields, i.e. Aux1 and Aux2 are meant for storing any custom historical...
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How to re-import the same data without downloading them again
If we have already downloaded several years of historical data using AmiQuote and for any reason we need to re-import this data once again (e.g. into a new database) – there is a way to avoid...
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How to backup data from an external source
There is a number of data-plugins, where AmiBroker reads quotes directly from an external database maintained by the data-vendor (such as TeleChart, FastTrack, PremiumData or other MetaStock-based...
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