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March 26, 2007

How to chart spreads?

To create a spread chart (and other multi-security indicators / statistics etc.) one can use FOREIGN function which allows to refer to other symbols than currently selected:

It’s necessary to do the following:
– Analysis -> Formula Editor
– enter the formula:


spread = Foreign( "ticker1", "C") - Foreign( "ticker2", "C");
Plot( spread, "spread", colorRed); 

– Tools -> Apply Indicator
(replace ticker1, ticker2 with actual symbol names)

Related articles:

  1. How to fill the area between two lines with a solid color
  2. How to detect the divergences
  3. How to display correlation between symbols
  4. How to plot a trailing stop in the Price chart
  5. How to change property for multiple symbols at once.

* Filed by AmiBroker Support at 7:58 am under Indicators
* 1 Comment

March 24, 2007

How to plot a trailing stop in the Price chart

In this short article we will show how to calculate and plot trailing stop using two different methods. (more…)

Related articles:

  1. What are constants in AFL and how they work
  2. Discretionary Equity
  3. How to plot daily High and Low on intraday chart
  4. How to identify signal that triggered entry/exit if multiple signals are used
  5. Using price levels with ApplyStop function

* Filed by AmiBroker Support at 11:06 am under Indicators
* 1 Comment

March 17, 2007

How to fill the area between two lines with a solid color

This example shows how to fill the area between Bollinger Bands with a solid color. (more…)

Related articles:

  1. How to fill background between hand-drawn trend lines
  2. Positioning area plots behind the grid lines
  3. Price chart with independent style
  4. Drawing indicators on a subset of visible bars
  5. How to read highest high value of future bars

* Filed by AmiBroker Support at 9:01 pm under Indicators
* 2 Comments

March 15, 2007

Calendar day index

Someone asked me recently how to count calendar days (not bars) that passed since first available quote. AmiBroker has a built-in function ( since version 5.20 ) that calculates the number of days that passed since January 1st, 1900. This function can be used to easily implement number of days since first available quote Here is a sample formula that shows how to do that. (more…)

Related articles:

  1. How to read highest high value of future bars
  2. Study() function in logarithmic scale
  3. Drawing indicators on a subset of visible bars
  4. QuickAFL facts
  5. Drawing line extensions on future bars using AFL

* Filed by Tomasz Janeczko at 3:15 pm under Indicators
* 5 Comments

October 16, 2006

How to save layouts that hold individual parameter values for different symbols.

By default the values of parameters for given indicator pane are the same (shared) for all symbols. If you want per-symbol parameters, you need to apply technique descibed in this short article. (more…)

Related articles:

  1. Using per-symbol parameter values in charts
  2. Relationship between chart panes
  3. How to restore accidentially deleted price chart
  4. How to set individual trading rules for symbols in the same backtest
  5. How to detect the study crossover for multiple symbols with use of SCAN

* Filed by AmiBroker Support at 5:42 am under Charting
Comments Off on How to save layouts that hold individual parameter values for different symbols.

September 1, 2006

Price chart with independent style

If one wants to display a Candlesticks in one chart pane and Bars in another one, then it’s necessary to use a formula which does not read the settings from: View -> Price Chart Style.

The following custom Price formula allows to achieve this: (more…)

Related articles:

  1. How to force Line chart style for specific symbols (like mutual funds)
  2. How to draw regression channel programatically
  3. How to add full name to the Price chart title
  4. How to fill the area between two lines with a solid color
  5. Customizing chart titles

* Filed by AmiBroker Support at 9:54 am under Indicators
Comments Off on Price chart with independent style

August 9, 2006

How to display arrows for trades generated in backtest?

In order to display trade arrows, first of all – it’s necessary to enable the arrows for particular chart. To do so – right-click on the chart pane of your choice, choose: Parameters -> Axes&Grid, then set: Show trading arrows to YES, as shown in the screenshot. (more…)

Related articles:

  1. How to display indicator values in the backtest trade list
  2. How generate backtest statistics from a list of historical trades stored in a file
  3. How to backtest symbols individually
  4. How to copy backtest trade list to a spreadsheet
  5. How to display interest gains in the backtest report

* Filed by AmiBroker Support at 2:54 am under Backtest,Indicators
* 5 Comments

May 6, 2006

Discretionary Equity

In the March 2006 “Letters to S&C” section I found the following request:

“I am looking for and add-on […] that would enable me to build an equity curve from buy/sell signals that the trader directly draws over the price graph of a commodity; for example, using specific active vertical lines. Such a software would be of great help for discretionary traders to validate their semiautomatic systems. — PH CHAMBAULT”

And I just thought that it would be nice example of using AFL’s Equity() function and ParamTrigger()

(more…)

Related articles:

  1. How to plot a trailing stop in the Price chart
  2. How to create copy of portfolio equity?
  3. Per-symbol profit/loss in a portfolio backtest
  4. Using redundant signals for entries
  5. Using price levels with ApplyStop function

* Filed by Tomasz Janeczko at 9:06 am under Indicators
* 6 Comments

March 7, 2006

Getting X, Y co-ordinates of Study()

The following code sample shows how to get date/time (X co-ordinate) and value (Y co-ordinate) of starting and ending point of manually drawn study.
(more…)

Related articles:

  1. Study() function in logarithmic scale
  2. How to detect the study crossover for multiple symbols with use of SCAN
  3. How to convert from bar-value to pixel co-ordinates
  4. How to draw regression channel programatically
  5. How to measure price / percentage distance on the chart

* Filed by Tomasz Janeczko at 6:34 am under Indicators
Comments Off on Getting X, Y co-ordinates of Study()

March 4, 2006

How to change the title line in my custom indicator ?

To have custom title in the indicator window, you can define Title variable within the indicator’s code, e.g:
(more…)

Related articles:

  1. Customizing chart titles
  2. How to add full name to the Price chart title
  3. How to display indicator values in the backtest trade list
  4. Price chart with independent style
  5. Drawing line extensions on future bars using AFL

* Filed by Tomasz Janeczko at 8:34 pm under Indicators
* 2 Comments

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