SYMBOL() AND NULL

[Mohammed Abdulwadud Soubra]

HI
just a simple question in mql4 language
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what is the difference between using NULL or SYMBOL() in the EAs:
if iRSI(NULL,...............
if iRSI(SYMBOL(),................. 

[Biantoro Kunarto]

Same

[Mohammed Abdulwadud Soubra]

biantoro kunarto:
Same

Thanks mr Biantoro

[Biantoro Kunarto]

you're welcome

[Siti Latifah]

NULL = read the current chart

[Mohammed Abdulwadud Soubra]

Siti Latifah:
NULL = read the current chart

Symbol()  ???

[Anton Nel]

Mohammad Soubra:
Symbol()  ???

Same as NULL = read the current chart.

[Mohammed Abdulwadud Soubra]

thanks ALL

so

if I want to write a code inside the .... ontick() function with a condition same like the below:

if (iRSI(NULL,0,14,0))>70.......sell

- the problem in the above ontick() condition that will sell each tick but I want to sell once only using the ontick() not start() function

PLZ HELP

[Jose Miguel Soriano]

Mohammad Soubra:

thanks ALL

so

if I want to write a code inside the .... ontick() function with a condition same like the below:

if (iRSI(NULL,0,14,0))>70.......sell

- the problem in the above ontick() condition that will sell each tick but I want to sell once only using the ontick() not start() function

PLZ HELP

Check for open order.

If there is no check operating conditions

[Mohammed Abdulwadud Soubra]

Jose Miguel Soriano:

Check for open order.

If there is no check operating conditions

How?

[Biantoro Kunarto]

Try this:

if ( OrdersTotal() == 0 )
    {
      // Check buy or sell signal 
      // if there is a signal open trade
    }