how can I assign previous bar rsi value (learning mt4 language) | Forex Factory

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how can I assign previous bar rsi value (learning mt4 language)

  • #1
  • First Post: Jul 8, 2010 5:58pm Jul 8, 2010 5:58pm
i am trying to learn mt4 language.i am very new at coding.i want to ask some questions.i m sure all of my questions are very simple.please answer and help me.

first, i want to define stiuation when rsi crosses 50 line.
i guess code should be like this.

if (rsi2 < 50 && rsi1 >50) buy;

how can define variable rsi2 which represents previous bar rsi value and how can define variable rsi1 which represents current bar rsi value????pls answer this..
  • #2
  • Jul 8, 2010 6:59pm Jul 8, 2010 6:59pm
Quoting pipchampion
i am trying to learn mt4 language.i am very new at coding.i want to ask some questions.i m sure all of my questions are very simple.please answer and help me.

first, i want to define stiuation when rsi crosses 50 line.
i guess code should be like this.

if (rsi2 < 50 && rsi1 >50) buy;

how can define variable rsi2 which represents previous bar rsi value and how can define variable rsi1 which represents current bar rsi value????pls answer this..
MetaEditor help -> MQL4community -> Documentation -> Technical indicators -> iRSI

set shift
  • #3
  • Jul 9, 2010 4:49am Jul 9, 2010 4:49am
yes thank you very much.i understood and did this.i will study on that document it is very useful.it teaches all of things about mt4.
but i want to ask one more thing.

this ea should buy or sell just one time if there is a signal.how can i do this??
i know we can use "each tick" or "complete bar" choices.from where can we choose this??
i know if we set each tick ea always buy or sell when signal is appeared ea take position lots of time.i want ea take just one position when signal appears.i do not want to wait complete bar.how can i do this??thank you..
  • #4
  • Jul 18, 2010 7:04pm Jul 18, 2010 7:04pm
yes i have a very important question.i have three different rule to take a position.when all of rules occur i am taking position.

i want to take position when one signal occur.i do not want to take more than one position when all of rules are true in ea.

i mean if my there conditions are true i want ea take just one position when all of conditions are triggered.after this i want ea not to take position if there is no opposite signal.i want my ea wait.

how can i do this?how kind of control do i have to code in ea???
please help??
  • #5
  • Last Post: Jul 18, 2010 7:31pm Jul 18, 2010 7:31pm
Quoting pipchampion
yes thank you very much.i understood and did this.i will study on that document it is very useful.it teaches all of things about mt4.
but i want to ask one more thing.

this ea should buy or sell just one time if there is a signal.how can i do this??
i know we can use "each tick" or "complete bar" choices.from where can we choose this??
i know if we set each tick ea always buy or sell when signal is appeared ea take position lots of time.i want ea take just one position when signal appears.i do not want to wait complete bar.how can i do this??thank...

By default the code in the start() function is executed for every tick. You have to add special logic to only execute once per bar. So if I understand your question, the answer is do nothing.

As far as preventing multiple trades I answered that question in your other thread before seeing this one.
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