On top of the site, Click on your NAME, your will reach SETTINGS. On left side there is Subscription Tab.
Click on List Subscriptions. Then you can see all your subscribed threads. Check whichever thread to Unsubscribe and below there is a Selected Thread Tab. Click on the tab. Then you can select what you want to do.
May it help you. I didn't use this settings. So try this.
"Trade what you see, Not what you think"
"Forex trading is simple, People make it difficult"
"Patience is Virtue, So patiently wait for a good set up"