IsTradeAllowed not returning what I would expect
IsTradeAllowed not returning what I would expect
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w0051977 · External communityPost link
External question — Stack Overflow Stack Exchange
Author: w0051977
Original post: https://stackoverflow.com/questions/66410403
License: CC BY-SA 4.0 — https://creativecommons.org/licenses/by-sa/4.0/
Adaptation: HTML converted to plain text; contact email addresses removed.
Please see the script below:
void OnStart()
{
Alert(IsTradeAllowed()); //alert 1
Alert(IsTradeAllowed(NULL, TimeGMT())); //alert 2
Alert(IsTradeAllowed(Symbol(), TimeGMT())); //alert 3
Alert(IsTradeAllowed("GBPUSD", TimeGMT())); //alert 4
}
This returns:
true //for alert 1
true //for alert 2
false //for alert 3
false //for alert 4
As alert 2 returns: true, then I would expect alert 3 and alert 4 to return true.
I have tried running the code at multiple times of the day on weekdays. The code returns the same result at weekends. I have also tried putting the code in a script and an EA. Every time I get the same result. Is there an explanation for this? I have tried what is suggested here:
https://www.mql5.com/en/docs/runtime/tradepermission
Symbol() returns: "GBPUSD". Each alert should return true in my mind, however this does not appear to be the case here. Incidentally I have notices that Symbol() returns the symbol at the top of the demo account watchlist if the script is run inside MetaEditor, however it returns the symbol displayed on the chart if run inside the demo account.
The broker is Oanda.
Update 04/03/21 at 19:55
I have now discovered that if I right click on the Market Watch and select: show all, then more symbols appear. I can then see that some symbols are greyed out and some symbols are not. The symbols that are not greyed out e.g. USDGBP-g return what I would expect when running the program above i.e. alert 1-alert 4 =true. The symbols that are greyed out e.g. USDGBP returns true; true; false; false in the program above. I now have two questions:
Why does:
IsTradeAllowed(NULL, TimeGMT()); //alert 2
return true for symbols that are greyed out?
What does -g mean in GBPUSD-g?
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tomgny · External communityPost link
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Author: tomgny
Original post: https://stackoverflow.com/a/66427705
License: CC BY-SA 4.0 — https://creativecommons.org/licenses/by-sa/4.0/
Adaptation: HTML converted to plain text; contact email addresses removed.
I tried your script in my ICMarkets version of MetaTrader4. With disabled auto trading i get result:
When I set auto trading to enable using
Ctrl+E
shortcut, in all cases script return
true
.
I recommend you to try this script on another account or different broker. If this will help, you should communicate with your broker about this issue. The last option is a reinstall MetaTrader to make sure, that all config files are correct.
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PaulB · External communityPost link
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Author: PaulB
Original post: https://stackoverflow.com/a/66459183
License: CC BY-SA 4.0 — https://creativecommons.org/licenses/by-sa/4.0/
Adaptation: HTML converted to plain text; contact email addresses removed.
IsTradeAllowed checks if the Expert Advisor is allowed to trade and trading context is not busy.
The version of the function without any arguments will check if the EA has been applied with the correct permissions ("Allow live trading" ticked and "AutoTrading" enabled).
The second form of the function:
bool IsTradeAllowed(const string symbol, datetime tested_time);
checks if the EA would be allowed to trade according to the specifications for the chart selected (to view this, from the Market Watch window right click a symbol, from the menu that pops up select "Specification").
For example
IsTradeAllowed(Symbol(), D'2021.03.06 12:00');
would check if the current symbol can be traded this coming Saturday (which should be false).
If you are getting undesirable results you should check that your broker has set the "Specifications" correctly.
EDIT
I've tested the command in OANDA which is the broker you are using and the command functions as expected.
NULL is not valid for a Symbol and its use makes the command function in its first form (ie timedate is ignored).
I would suggest rather than use Alerts to examine output, try the following.
string cmnt;
cmnt=StringConcatenate("Alert 1: ",IsTradeAllowed());
cmnt=StringConcatenate(cmnt+"\r\n","Alert 2: ",IsTradeAllowed(NULL, TimeGMT()));
cmnt=StringConcatenate(cmnt+"\r\n","Alert 3: ",IsTradeAllowed(Symbol(), TimeGMT()));
cmnt=StringConcatenate(cmnt+"\r\n","Alert 4: ",IsTradeAllowed("GBPUSD", TimeGMT()));
Comment(cmnt);
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Quoted from Forex.com.bd-Editorial External question — Stack Overflow Stack Exchange Author: w0051977 Source score (net votes, not local likes): 1 Original post: https://stackoverflow.com/questions/66410403 License: CC BY-SA 4.0 — https://creativecommons.org/licenses/by-sa/4.0/ Adaptation: HTML converted to plain text; contact email addresses removed. Please see the script below: void OnStart() { Alert(IsTradeAllowed()); //alert 1 Alert(IsTradeAllowed(NULL, TimeGMT())); //alert 2 Alert(IsTradeAllowed(Symbol(), TimeGMT())); //alert 3 Alert(IsTradeAllowed("GBPUSD", TimeGMT())); //alert 4 } This returns: true //for alert 1 true //for alert 2 false //for alert 3 false //for alert 4 As alert 2 returns: true, then I would expect alert 3 and alert 4 to return true. I have tried running the code at multiple times of the day on weekdays. The code returns the same result at weekends. I have also tried putting the code in a script and an EA. Every time I get the same result. Is there an explanation for this? I have tried what is suggested here: https://www.mql5.com/en/docs/runtime/tradepermission Symbol() returns: "GBPUSD". Each alert should return true in my mind, however this does not appear to be the case here. Incidentally I have notices that Symbol() returns the symbol at the top of the demo account watchlist if the script is run inside MetaEditor, however it returns the symbol displayed on the chart if run inside the demo account. The broker is Oanda. Update 04/03/21 at 19:55 I have now discovered that if I right click on the Market Watch and select: show all, then more symbols appear. I can then see that some symbols are greyed out and some symbols are not. The symbols that are not greyed out e.g. USDGBP-g return what I would expect when running the program above i.e. alert 1-alert 4 =true. The symbols that are greyed out e.g. USDGBP returns true; true; false; false in the program above. I now have two questions: Why does: IsTradeAllowed(NULL, TimeGMT()); //alert 2 return true for symbols that are greyed out? What does -g mean in GBPUSD-g?
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