Is it unlimited? If I have $100 in my IB account, can I sell $1,000,000 box?
Why would you? The point of the box spread trick is to reduce interest on margin loans, they don’t increase your buying power. Selling box spreads without a margin loan just makes you pay small amounts of interest for no reason.
How much buying power does IB require if I want to sell $10,000 box?
Is it unlimited? If I have $100 in my IB account, can I sell $1,000,000 box?
Why would you? The point of the box spread trick is to reduce interest on margin loans, they don’t increase your buying power. Selling box spreads without a margin loan just makes you pay small amounts of interest for no reason.
How much buying power does IB require if I want to sell $10,000 box?