Re: Interactive Brokers account
OECD automatic exchange regulations are all about forcing financial instituations of participating countries to rat you out with all accounts to your tax residence country's tax administration - presumably Switzerland if you live here.
If you were completely honest with them about your foreign held assets, filed tax returns completely and truthfulyl as you were supposed to, nothing's gonna change for you.
Only people with undeclared assets will suffer. Are you one of them?