History Depth Inventory

Before running a multi-symbol backtest, scan, or export, it helps to know what history the terminal actually has loaded right now - and that answer is scattered one chart at a time unless something reads it all at once. iBars() only reflects history the terminal has already synced for a given symbol/timeframe pair. A symbol that has never been opened on a chart reports zero bars here even though the broker has plenty available, simply because nothing has asked for it yet. That gap is the point of this report: it tells you exactly which symbol/timeframe pairs need a chart opened (or a history download tool run) before whatever you are about to do with them will see real data, rather than finding out mid-backtest that half the symbols were silently empty. The script checks every symbol in Market Watch by default, or a specific list you type in, against a configurable set of standard timeframes, and prints bar count, earliest bar date, latest bar date and the span in days for each pair in one table. Notes and limitations - This is a read-only inventory. It does not download, request or force the terminal to load anything - see DownloadAllHistory elsewhere in this catalogue if what you actually need is more bars. - A zero-bar row usually means the symbol has never been charted on this timeframe in this terminal, not that the broker has no history for it. - Market Watch, when InpSymbolList is left blank, only lists symbols currently selected/visible - a symbol hidden from Market Watch is skipped even if it is tradeable. - Bar counts reflect this terminal's own local cache. Running the same scan on a second terminal for the same account can report different depth if one terminal has simply had its charts open longer.

Script · MT4 · v1.0 · Free

Tags: Multi-Currency · Alerts · MT4 Script · MQL4 Source Code

MQL4 & MQL5 scripts · PolyMaria