Portfolio margin

Discussion in 'Retail Brokers' started by DayTrader101, Dec 20, 2007.

  1. gkishot

    gkishot

    The best assessment of the leverage you can get by trying the demo PM account which you already did.

    My assessment is that it's about 6x leverage. And remember you need 100k of capital to qualify.
     
    #21     Dec 21, 2007
  2. zdreg

    zdreg

    they are required to mark to market. it may not show up on your statement but it is done internally.
    extreme example. you have 1million in fully paid for securities in your account.
    you short 1000 shares at $30. the stock triples overnite to 90. you will be paying interest on a $60,000 debit balance immediately.
     
    #22     Dec 21, 2007
  3. gkishot

    gkishot

    So you are saying only short stocks are required to be marked to market?
    What about other long stocks that might have settled with $60,000 profit and erased all those losses?
    Does IB adjust up the cash balance by the long stocks market value?
     
    #23     Dec 21, 2007
  4. Suppose initially I have $100K, and my account is enabled for pm.

    I then buy $200K value of diversified stocks, and short sell $200K value of another set of diversified stocks.

    How will ib charge me interest?
     
    #24     Dec 21, 2007
  5. gkishot

    gkishot

    It will charge you on 100k margin.


    Cash Account = 100k ( initial cash account ) - 200k ( long stocks ) + 200k ( short proceeds ) - 200k ( short positions )

    = -100K
     
    #25     Dec 21, 2007
  6. ------------------------------------------------

    Thanks. Let me see if I can construct a portfolio to long QQQQ without paying interest here with higher leverage.

    Suppose I short $600K of QID.

    Cash account = 100K (initial cash) + 600K (short proceeds) - 600K (short positions).

    So I don't have to pay any interest for a porfolio with roughly 12x QQQQ. Am i right?
     
    #26     Dec 21, 2007
  7. gkishot

    gkishot

    You are right, but if qqqq moves down and qid moves up to let's say 800k worth of value you will have to pay interest on 100k.

    Cash account = 100k + 600k ( short proceeds ) - 800k ( short position adjustment ) = -100k.

    This is just an example of how margin interest is calculated. As far as I understand they will also pay interest on 600k proceeds.

    Short position adjustment is updated daily based on the market price moves.
     
    #27     Dec 21, 2007
  8. I understood that. Any movement of the underlying will change the cash account, and it will affect the interest charge.

    You mentioned short position is MTM. Is it true that pm is MTM? IOW both long and short positions are MTM.
     
    #28     Dec 21, 2007
  9. zdreg

    zdreg

    all stock is marked to market to meet margin requirements. there is no change in your cash position for long stock as a result of the increase or decrease in the price of stock.
    when you make money on your long position you increase the amount of stock
    u can be long or short.
    cash balances are only adjusted for short sales.
     
    #29     Dec 21, 2007
  10. gkishot

    gkishot

    Right, but why at IB only cash has necessarily to be a collateral? Why the long marginable securities do not make the cut?

    That's what makes IB different from other brokers.
     
    #30     Dec 21, 2007