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Interesting script?
So post a link to it -
let others appraise it

You liked the script? Try it in the MetaTrader 5 terminal

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2126
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votes: 27
Published:
2018.04.18 17:24
Updated:
2018.08.30 13:12
\MQL5\Include\
Dictionary.mqh (38.15 KB)view
Symbol.mqh (5.32 KB)view
\MQL5\Include\fxsaber\ThirdPartyTicks\
Array.mqh (1.11 KB)view
Casting.mqh (0.48 KB)view
Data.mqh (1.12 KB)view
File.mqh (2.6 KB)view
Rates.mqh (2.35 KB)view
String.mqh (2.41 KB)view
Ticks.mqh (7.89 KB)view
Web.mqh (0.9 KB)view
\MQL5\Include\Zip\
Zip.mqh (17.22 KB)view
ZipContent.mqh (11.62 KB)view
ZipDefines.mqh (1.17 KB)view
ZipFile.mqh (5.91 KB)view
ZipHeader.mqh (12.47 KB)view
\MQL5\Scripts\fxsaber\

Third-party applications for MetaTrader 4 allowing to obtain a tick history from various sources have always been popular. This history is typically used in the Strategy Tester for checking the operation of Expert Advisors as well as for conducting research (such as machine learning, etc.). Some sources of quotes discussed by users have become almost standard in the search for a "grail."


Criterion

The given MQL5 library does not have any criterion for comparing ticks. The reasons for choosing the proposed source of the tick archive are not described. But this archive is absolutely fresh and therefore not fully studied. Therefore, in order to develop your own criterion of value, perform a simple action - run your Expert Advisor using the "Every tick is based on real ticks" mode on any built-in MetaTrader 5 symbol and on the custom symbol created by the script (based on a third-party real tick history), and then compare the results obtained. This process does not require any deep knowledge of the terminal or additional actions outside it.


Script

The script accesses the tick history from the built-in source and creates an appropriate custom symbols on its basis.

Comments in the source code partially explain the principle.

// https://www.mql5.com/en/code/20225
#property script_show_inputs

#include <fxsaber\ThirdPartyTicks\ThirdPartyTicks.mqh>

sinput bool   Sync = true; // Synchronization
sinput string symbol = ""; // Symbol (NULL - current, "AllSymbols" - All)

THIRDPARTYTICKS ThirdPartyTicks; // Connecting to a local archive of quotes

// One symbol
void CreateSymbol()
{
  // Defining the symbol to work with
  const string Symb = (symbol == "") ? StringSubstr(_Symbol, 0, 6) : symbol;

  if (Sync)
    ThirdPartyTicks.Refresh();                // Reading available data from the tick archive source

  ThirdPartyTicks[Symb].Update();             // Synchronizing the local archive with the source of the selected symbol
  ThirdPartyTicks[Symb].ToCustomSymbol(true); // Creating a custom symbol based on the local archive
}

// All symbols
void CreateAllSymbols()
{
  if (Sync)
    ThirdPartyTicks.Refresh();                     // Reading available data from the tick archive source

  const uint Amount = ThirdPartyTicks.GetAmount();

  for (uint i = 0; _CS(i < Amount); i++)
  {
    ThirdPartyTicks[i].Update();                   // Synchronizing the local archive with the source of the selected symbol
    ThirdPartyTicks[i].ToCustomSymbol();           // Creating a custom symbol based on the local archive
  }
}

void OnStart()
{
  if (symbol != "AllSymbols")
    CreateSymbol();
  else if (MessageBox("Creating all the symbols can take a long time. Do you agree?", __FILE__, MB_YESNO | MB_ICONQUESTION) == IDYES)
    CreateAllSymbols();
}

For a proper operation of the script, you should specify the address of the quotes source in Terminal Settings, for example:

Actions are written in details to logs during the script operation:

UnZip <source_name>\EURUSD.<suffix>\EURUSD.<suffix>_20180313.csv.zip 724002 bytes - unpack size 5466504 bytes.
Total Ticks (EURUSD.<suffix>) = 1645897
Corrected 3 ticks.
EURUSD.<suffix>_<source_name> saved ticks = 1645897

After that you can run your Expert Advisors in the Tester using new custom symbols:


Features

  • Only standard MQL5 features are used, so there are no DLLs and it is suitable for the Market.
  • The archive of quotes is saved on the local machine as ZIP archives with CSV-files.
  • The archive of quotes is synchronized with the source: only the missing data is downloaded.
  • The source files include the following libraries: ZIP and Symbol.
  • The script can work with a local archive without the Internet connection.
  • Data in the local archive can be edited or added manually.
  • The operation of the file storage does not depend on directories in it: you can create folders and save data there at your discretion.
  • The bar history is created taking into account the minimal loss of quality when switching from the "Every tick based on real ticks" testing mode to "Open Prices Only" - a trading system uses limit orders.
  • The core of the script is the library with the same name. It allows creating more interesting scenarios.
  • The source has not been optimized and is provided as is for educational purposes.
  • In order to make the library used as a core completely universal, you need to modify it for operation with arbitrary sources and with any format of quotes.

Translated from Russian by MetaQuotes Software Corp.
Original code: https://www.mql5.com/ru/code/20225

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