How can I calculate this?
According to this article:
Calculate the value of the trade:
574.31 at current price right? so that’s £430 x 50 quantity that I have = £21,500 and that is the value of the trade.
See how much funds you need to have to cover 50% of the value of the trade:
Value of the trade = £21,500 x 0.5 = £10.750 and this is required margin
Check your current margin blocked for the trade:
I cannot figure it out how to calculate the last bit ???