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Formula 201 – #18 Memory Effect
by Kenneth on Jan. 4th, 2010 in Formula 201
This example show how formula language store value in a specific time of day, or when a specific condition occur. These two coding examples can be used in place of BarSince or Reftime indicator which takes up more resources, implementation is done by utilizing if function and a single slot holder local variable.
What the code does is monitor specific condition with if function, when condition is valid replace value stored in holder variable else retain previous value.
Continue Reading…
We have been talking about the spectacular performance of various stock market indices during May in our office. I then suggested that as far as my memory goes, the month of May in general goes sideway and what we just witnessed is something very unusual. Since it is hard to just talk about history without an actual picture of what I meant, I have produced a chart that highlights the month of May every year to illustrate my point.
In writing indicators, there is a special technique called Meta Style that change the way how an indicator is displayed based on the number of plots it has. It is a very useful technique in providing display styles that are not possible with traditional lines and histograms. 
I am going to demonstrate the programming techniques for writing Tick Precise indicators. These techniques are equally applicable to those who like to implement TP indicators using scripts (DelphiScript or VBScript) or regular programming language through the ActiveX based IDL object model.
All the tutorials so far focus on how to write indicator. However, there are some fundamental options related to indicators that we have to cover now.