woah... can you get 6:1 day trading if you have > 100,000 in your account?
Quote from ids:
You can if:
1. It is not one stock but a diversity of stocks.
2. You avoid cheap 100% margin stocks and stocks with 5 standard price deviations more than 15%.
Be aware that there are cases when your regT margin is lower than PM margin if you are not well diversified or own more than .5% of a stock shares outstanding.
Quote from ids:
It is a PORTFOLIO margining. It means there is no way to calculate margin for a particular position. Just try to be diverse and lower your risk and PM will drop accordingly.
Quote from ids:
Did you try to create an order, right click mouse, and choose "Check Margin"? It works with all kinds of margins.