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http://www.multicharts.com/img/wiki/symbolmapping/1.png
==How Symbol Mapping Works==
====Data Source = Broker====
Symbol mapping is automatically correct if the data on chart comes from a data source that is your broker at the same time.
Examples: IB, CQG, LMAX and so on. A mapping line is created in a [[Broker Profiles Overview|broker profile]] when there is plotted chart, the [[Chart Trading|chart trading panel]] is opened and a broker profile is connected. The important point is to add symbols through [[Data Sources Overview#Adding Symbol from Data Vendor Supplied List|symbol lookup]] and not manually. If a symbol is added through symbol lookup, then it has all correct parameters, so this symbol on chart and the symbol at broker end will match. As the result, mapping is correct.
====Data Source ≠ Broker====
Symbol mapping is not automatically correct if the data on chart comes from a data source that is not your broker. It should be [[Symbol Mapping#Configure Chart Symbol|adjusted manually]].
Examples: IQFeed, eSignal, TradeStation on charts and IB, CQG, LMAX etc. as brokers. A mapping line is created in a [[Broker Profiles Overview|broker profile]] when there is plotted chart, the [[Chart Trading|chart trading panel]] is opened and a broker profile is connected. The important point is to add symbols through [[Data Sources Overview#Adding Symbol from Data Vendor Supplied List|symbol lookup]] and not manually. If a symbol is added through symbol lookup, then it has all correct parameters, so this symbol on chart and the symbol at broker end will match. As the result, mapping is correct.
==Symbol Mapping Example #1==
