MQL5Book/Scripts/p5/SeriesRates.mq5

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2025-05-30 16:09:41 +02:00
//+------------------------------------------------------------------+
//| SeriesRates.mq5 |
//| Copyright 2021, MetaQuotes Ltd. |
//| https://www.mql5.com |
//+------------------------------------------------------------------+
#include "..\..\Include\PRTF.mqh"
//+------------------------------------------------------------------+
//| Script program start function |
//+------------------------------------------------------------------+
void OnStart()
{
const int N = 10;
MqlRates rates[];
// request and display complete N bars as MqlRates array
PRTF(CopyRates("EURUSD", PERIOD_D1, D'2021.10.01', N, rates));
ArrayPrint(rates);
// now request OHLC prices separately
double open[], high[], low[], close[];
PRTF(CopyOpen("EURUSD", PERIOD_D1, D'2021.10.01', N, open));
PRTF(CopyHigh("EURUSD", PERIOD_D1, D'2021.10.01', N, high));
PRTF(CopyLow("EURUSD", PERIOD_D1, D'2021.10.01', N, low));
PRTF(CopyClose("EURUSD", PERIOD_D1, D'2021.10.01', N, close));
// compare prices received by different methods
for(int i = 0; i < N; ++i)
{
if(rates[i].open != open[i]
|| rates[i].high != high[i]
|| rates[i].low != low[i]
|| rates[i].close != close[i])
{
// this should not happen
Print("Data mismatch at ", i);
return;
}
}
Print("Copied OHLC arrays match MqlRates array");
/*
output example
CopyRates(EURUSD,PERIOD_D1,D'2021.10.01',N,rates)=10 / ok
[time] [open] [high] [low] [close] [tick_volume] [spread] [real_volume]
[0] 2021.09.20 00:00:00 1.17272 1.17363 1.17004 1.17257 58444 0 0
[1] 2021.09.21 00:00:00 1.17248 1.17486 1.17149 1.17252 58514 0 0
[2] 2021.09.22 00:00:00 1.17240 1.17555 1.16843 1.16866 72571 0 0
[3] 2021.09.23 00:00:00 1.16860 1.17501 1.16835 1.17381 68536 0 0
[4] 2021.09.24 00:00:00 1.17379 1.17476 1.17007 1.17206 51401 0 0
[5] 2021.09.27 00:00:00 1.17255 1.17255 1.16848 1.16952 57807 0 0
[6] 2021.09.28 00:00:00 1.16940 1.17032 1.16682 1.16826 64793 0 0
[7] 2021.09.29 00:00:00 1.16825 1.16901 1.15894 1.15969 68964 0 0
[8] 2021.09.30 00:00:00 1.15963 1.16097 1.15626 1.15769 68517 0 0
[9] 2021.10.01 00:00:00 1.15740 1.16075 1.15630 1.15927 66777 0 0
CopyOpen(EURUSD,PERIOD_D1,D'2021.10.01',N,open)=10 / ok
CopyHigh(EURUSD,PERIOD_D1,D'2021.10.01',N,high)=10 / ok
CopyLow(EURUSD,PERIOD_D1,D'2021.10.01',N,low)=10 / ok
CopyClose(EURUSD,PERIOD_D1,D'2021.10.01',N,close)=10 / ok
Copied OHLC arrays match MqlRates array
*/
}
//+------------------------------------------------------------------+