While using ExpertAdvisor MetaTrader4 could take more than one transaction simultaneously ?
long only transaction in the same currency pair
While using ExpertAdvisor MetaTrader4 could take more than one transaction simultaneously ?
long only transaction in the same currency pair
MetaTrader (not MQL) runs 3 threads for sending orders and is capable of sending 3 orders simultaneously. Only one of this threads is accessible by MQL.
An Expert Adviser can send one order (order context 1) while *at exactly the same time* a manual trade is executed (order context 2) while *at exactly the same time* internally a trailing stop order is updated (order context 3).
While using ExpertAdvisor MetaTrader4 could take more than one transaction simultaneously ?
long only transaction in the same currency pair
Nevertheless every terminal instance has its unique MQL trading context. If you know how to send and receive messages, you might control several trading events concurrently.
You might want to take a look at this: Preliminary Announcement of the New MetaTrader 4 Build 480
"Terminal: Increased the number of allowed parallel trading operations for MQL4 programs - up to 8 parallel trade requests are allowed now. This ensures uninterrupted simultaneous trading of several scripts or Expert Advisors - it means that it is almost impossible to receive "Trade context is busy" error code in normal conditions."
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While using ExpertAdvisor MetaTrader4 could take more than one transaction simultaneously ?
long only transaction in the same currency pair