OK everyone - I have questions on interest fees and haircut fees -
Earlier in this thread, Don Bright mentioned haircut fees. Can we assume that a haircut fee is calculated as "extra interest" with the same general logic as described below for interest fees, except using the appropriate haircut rate?
Are interest fees charged on intra-day positions? If I use 30:1 buying power on a basket of 50 stocks and exit the positions prior to end-of-day, will interest be charged? Will haircut fees be charged?
If trading intraday, (and therefore in and out of the positions on the same day) is the calculation based on the amount of time that the position is held? Is the calculation:
Interest fee =
{Annual Interest Rate} * {1 day / 365 days} * {percentage of the day that the position is held}?
For overnights, is the interest fee (and corresponding haircut fees) just rounded to a whole integer time period in days? In this case, is the formula:
Interest fee =
{Annual Interest Rate} * {1 day / 365 days} * {number of days that the position is held}?
Are overnights treated the same as over-weekends (which are 3 overnights and sometimes 4 overnights on holiday weekends)? I.e. are the interest fee and haircut fees larger because of the greater length of time involved? I assume that you've got to have balls of steel and/or damn-near zero brains to take on that much risk...