I think btc-e.com exchange is also offering bitcoin trading on MT4 platform with 1:3 leverage
btc-e is colaboration and use system in fxopen
is real bitcoin trading in metatrader 4
1 fxopen
2 justforex
3 my.myfxchoice.com
4 simplefx
if you want high leverage
but much people bitcoiner not recomended you can try in instaforex
Metatrade4 is one of the oldest trading platform and if bitcoin leverage or margin services providers' want to succeed in their business they have to synchronize their system with metatrade4 platform. Though most bitcoin trading sites and others altcoins such as poloniex, peeve, yobit has a very nice technical indicators: Yet you cannot compared it to matatrade platform.