As the sibling comment says, I mean you can access them from several countries. Collateral requirements vary by asset and account country according to national

As the sibling comment says, I mean you can access them from several countries. Collateral requirements vary by asset and account country according to national law. Generally it’s 50% LTV on equity collateral but leverage can be higher depending on the case. I paid for a house with their margin to avoid triggering gains on long term positions, while waiting for some locked up options to liquidate.