If the instrument in question is open for trading, but you still get this message, this means the instrument you have chosen has low liquidity level, i.e.

The first thing that should be understood is that any operation takes time to execute.

On the Libertex platform, an automatic increase in the trade amount is available when loss on a trade reaches 50% or more.

Here are a few possible reasons:

 - The contract in question has expired.

 It should first be noted that margin requirements are expressed as a percentage in the MetaTrader's trading conditions.

To calculate your profit or loss for a Long trade, please use the following formula:

PL = S * M * ( Ec / E0 – 1 ) – C , where:

PL is your profit or loss

To complain on a transaction you have made on your live account, in case you believe it has been executed or processed incorrectly, please fill out 

Applying a level for the forced closure of a position (Stop Out level) is one of the basic trading conditions on the Libertex platform.

If you've got a trade which is currently 'in the money', and you expect the trend which is positive for you, to continue, you can reinvest your current floating profit into the same asset.