Ask your broker about it, and check the specification of this simbol (right click on the Market Watch - Specification).
because all symbols, all name of the symbols, all the charts, all the price on the charts, and the time of the price on the chart (and much more) are related to the brokers only (it is not related to Metatrader as the software).
Broker's use a variety of naming patterns: EURUSD, EURUSDc, EURUSDcheck, EURUSDct, EURUSDecn, EURUSDf, EURUSDi, EURUSDm, EURUSDme, EURUSDmicro, EURUSDpro, EURUSDt, “EUR.USD”, “EUR/USD”, “EURUSD!”, “EURUSD#”, “EURUSD..”, “EURUSD.”, “EURUSD.a”, “EURUSD.c”, “EURUSD.cfx”, “EURUSD.ecn”, “EURUSD.ECN”, “EURUSD.G”, “EURUSD.i”, “EURUSD.m”, “EURUSD.r”, “EURUSD.t/a>”, “EURUSD.SBe”, “EURUSD.stp”, “EURUSD.z”, “EURUSD'”, “EURUSD@”, “EURUSD_i”, “EURUSD-5”, “EURUSD-g”, “EURUSD-m”, “EURUSD-sb”, etc., “#FB”, “#TSLA”, and Financial symbols with “-”, “=”, “_”, and “+”
If the pattern your broker uses doesn't match the pattern of your signal provider's broker, you can't copy the signal/open a trade. Switch brokers to one that has that adornment.
If the naming pattern of your charts isn't exactly “BasQuo” then hard coded symbols fails. Don't hard code things; just use the predefined _Symbol, or add/remove the adornments during processing.
I need to know how to fill an enum or get a drop down list, with a string array :)) - MQL4 programming forum #10 (2020.06.12)

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