How do I find a time range for trading? - MQL4 and MetaTrader 4

Agent86 2011.12.15 21:14 #11

Hi all

I might be mixing topics here, but let me rephrase my title / question in this way

If I want to find a candle of a particular time such as (how do I find the high[],low[]close[],open[]) of a candle at lets say 7:00am, MT4 charts shows the close candles and opening times on the charts by default so lets use that.

Print(high[], " High of the candle of 7:00am);
Print(low[], " Low of the candle of 7:am);

So I want to find the high and low of a particular candle at a particular time.

Once I find this then I want to set a time range for trading based on that starting point and starting candle that I just found.

Anyhow just FYI I think I can get this working with the info you all posted and manage from there but I may have misdescribed my question

I'll post back the code for anyone to see it once I finish, maybe then can use it.

Thanks all

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Agent86 2011.12.15 21:16 #12

RaptorUK:

No, because Time[x] returns a datetime . . . but you can do . . .

read up on TimeHour

How does it know 18 ?

if(TimeHour(Time[1]) >= 18

I sort of get TimeHour but Time[1] is datetime so why doesn't that need to be converted somehow ?

I'm assuming TimeHour does this for me, I'll set a print statement so I can try to see what it's doing

Sorry for the likely simple questions after all this time, but I'm still struggling to understand some of the functions

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Agent86 2011.12.15 23:17 #13

Should my print statement be printing at 7 ?

if(TimeHour(Time[1]) == 7)
   {
   Print(TimeHour(Time[1]), " Time [1] what is this time");
   }

2011.12.15 19:14:44 2011.11.18 08:11 Time_sampling EURUSD,M15: 7 Time [1] what is this time
2011.12.15 19:14:44 2011.11.18 08:11 Time_sampling EURUSD,M15: 7 Time [1] what is this time
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2011.12.15 19:14:43 2011.10.28 08:08 Time_sampling EURUSD,M15: 7 Time [1] what is this time
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2011.12.15 19:14:42 2011.10.14 08:09 Time_sampling EURUSD,M15: 7 Time [1] what is this time
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Simon Gniadkowski 2011.12.16 08:41 #14

Agent86:

So I want to find the high and low of a particular candle at a particular time.

Use iBarShift it "Search for bar by open time." and then it . . "returns bar shift with the open time specified." You have to give it a datetime . . .

. . . . so how do you work out the datetime for the hour that you want ? Well lets assume that you want 7am from this morning . . . (it's 9:30am for me right now) take TimeCurrent() (this is server time so there may be a time shift compared to your local time, you need to factor this in) then divide it by days (PERIOD_D1 * 60) and take the MathFloor value from it, this gives you Midnight as a datetime . . . add on 7 hours (7 * 60 * 60) and you have 7am as a datetime.

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Simon Gniadkowski 2011.12.16 08:47 #15

Agent86:

How does it know 18 ?

I sort of get TimeHour but Time[1] is datetime so why doesn't that need to be converted somehow ?

I'm not sure why you are having such an issue with the Documentation . . . can you explain ? To me, in this case, it is crystal clear . . yes I agree, for some functions the documentation can leave a lot to be desired . . . but . . .

int TimeHour(

datetime time)

Returns the hour for the specified time.

int = what variable type the Function returns

datetime time = what type you need to pass the function when you call it

Returns the hour for the specified time. = what the Function does . . .

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Simon Gniadkowski 2011.12.16 08:55 #16

Agent86:
Should my print statement be printing at 7 ?

Yes it should . . . are you on a H1 chart ? so Time[1] returns the time of the last complete candle . . . if the current time is 08:11 then the current H1 candle is 8am so the previous is 7 am . . no ?

Agent86 2011.12.16 19:22 #17

RaptorUK:

Yes it should . . . are you on a H1 chart ? so Time[1] returns the time of the last complete candle . . . if the current time is 08:11 then the current H1 candle is 8am so the previous is 7 am . . no ?

LOL, ok I'm on the 15min charts, so I see why it's printing it out this way now
Ok I'll review iBarShift again too

Thanks.

Szilard Kallai 2012.01.02 20:14 #18

Hi i also hunt for a clue to get data of the first bar of the day.

this code i made, does not work for sure:

double nyitohigh; // the high value for the first bar

double nyitolow; // the low value of the first bar

datetime ejfel = D'TimeYear().TimeMonth().TimeDay() 00:00'; //we get midnight

int shift=iBarShift(NULL,PERIOD_M15,ejfel,true); // get the shift from now

nyitohigh=iHigh(NULL,PERIOD_M15,shift); //get the high

nyitolow=iLow(NULL,PERIOD_M15,shift); //get the low

i checked it with Comment("Nyito teteje ",nyitohigh," Nyito alja ",nyitolow); but it writes 0 and 0 on the comment.

could you have any good hint?

Agent86:
LOL, ok I'm on the 15min charts, so I see why it's printing it out this way now
Ok I'll review iBarShift again too

Thanks.

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Simon Gniadkowski 2012.01.03 08:33 #19

Szilar:

could you have any good hint?

You cannot do this . . .

datetime ejfel = D'TimeYear().TimeMonth().TimeDay() 00:00'; //we get midnight   <---  no you don't !

. . . read the Documentation about datetime especially the last sentence.

Szilard Kallai 2012.01.03 08:51 #20

Hi.

Solved.

double nyitohigh;

double nyitolow;

datetime ejfel = StrToTime("00:00");

int shift=iBarShift(NULL,PERIOD_M15,ejfel,true);

nyitohigh=iHigh(NULL,PERIOD_M15,shift);

nyitolow=iLow(NULL,PERIOD_M15,shift);

Szilar:

Hi i also hunt for a clue to get data of the first bar of the day.

this code i made, does not work for sure:

double nyitohigh; // the high value for the first bar

double nyitolow; // the low value of the first bar

datetime ejfel = D'TimeYear().TimeMonth().TimeDay() 00:00'; //we get midnight

int shift=iBarShift(NULL,PERIOD_M15,ejfel,true); // get the shift from now

nyitohigh=iHigh(NULL,PERIOD_M15,shift); //get the high

nyitolow=iLow(NULL,PERIOD_M15,shift); //get the low

i checked it with Comment("Nyito teteje ",nyitohigh," Nyito alja ",nyitolow); but it writes 0 and 0 on the comment.

could you have any good hint?

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