Tick Volume

 

for what period is the Tick volume data available in history in MT5 using iVolume()?

Someone said to me that it is only 4 days. Is this true ? 

 
In general, securities that are traded on exchanges such as shares have a money volume, but since there is no such central trading place for Forex, there is only the tick volume of your broker or the one of its liquidity provider.
Reason: