80 lines
2.9 KiB
MQL5
80 lines
2.9 KiB
MQL5
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//+------------------------------------------------------------------+
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//| SymbolFilterBookDepth.mq5 |
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//| Copyright 2022, MetaQuotes Ltd. |
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//| https://www.mql5.com |
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//| Print out book depth stats for selected symbols |
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//+------------------------------------------------------------------+
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#property script_show_inputs
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#include "..\..\Include\SymbolFilter.mqh"
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input bool UseMarketWatch = false;
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input int ShowSymbolsWithDepth = -1;
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//+------------------------------------------------------------------+
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//| Script program start function |
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//+------------------------------------------------------------------+
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void OnStart()
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{
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SymbolFilter f; // filter object
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string symbols[]; // array for resulting names
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long depths[]; // array for output
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MapArray<long,int> stats; // counters per depth
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if(ShowSymbolsWithDepth > -1)
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{
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f.let(SYMBOL_TICKS_BOOKDEPTH, ShowSymbolsWithDepth);
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}
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// apply the filter and collect depths for symbols
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f.select(UseMarketWatch, SYMBOL_TICKS_BOOKDEPTH, symbols, depths);
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const int n = ArraySize(symbols);
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PrintFormat("===== Book depths for %s symbols %s=====",
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(UseMarketWatch ? "Market Watch" : "all available"),
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(ShowSymbolsWithDepth > -1 ? "(filtered by depth="
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+ (string)ShowSymbolsWithDepth + ") " : ""));
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PrintFormat("Total symbols: %d", n);
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if(ShowSymbolsWithDepth > -1) // if specific depth is given, just list
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{
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ArrayPrint(symbols);
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return;
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}
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for(int i = 0; i < n; ++i) // otherwise calculate stats
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{
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stats.inc(depths[i]);
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}
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Print("Stats per depth:");
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stats.print();
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Print("Legend: key=depth, value=count");
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}
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//+------------------------------------------------------------------+
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/*
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example output (1-st run with default settings):
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===== Book depths for all available symbols =====
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Total symbols: 52357
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Stats per depth:
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[key] [value]
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[0] 0 52244
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[1] 5 3
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[2] 10 67
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[3] 16 5
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[4] 20 13
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[5] 32 25
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Legend: key=depth, value=count
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example output (2-nd run, UseMarketWatch=false, ShowSymbolsWithDepth=32):
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===== Book depths for all available symbols (filtered by depth=32) =====
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Total symbols: 25
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[ 0] "USDCNH" "USDZAR" "USDHUF" "USDPLN" "EURHUF" "EURNOK" "EURPLN" "EURSEK" "EURZAR" "GBPNOK" "GBPPLN" "GBPSEK" "GBPZAR"
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[13] "NZDCAD" "NZDCHF" "USDMXN" "EURMXN" "GBPMXN" "CADMXN" "CHFMXN" "MXNJPY" "NZDMXN" "USDCOP" "USDARS" "USDCLP"
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*/
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//+------------------------------------------------------------------+
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