Open trading account 
[…
Marenno's Blog
Option levels for 16 Jun.
This levels can not be used as a standalone strategy, however if you're implementing any kind of levels to your trading, this levels are much more reliable than anything else.
Sincerely
Arturs Jermolickis, MSTA
(Marenno)
Major option levels
Today will be the 1st volatile day of the month before the Brexit, and I'm posting only a major option levels that are weighted by volume or OI, it's good to know the potential especially in the days like this.