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To: alvin ung who wrote (28924)12/30/1997 4:49:00 PM
From: Glenn D. Rudolph  Read Replies (1) | Respond to of 61433
 
To anyone using margin accounts: Whats the easiest way to factor in margin interest when you are trying to find out your cost basis for individual stocks. Thxs, Alvin, Add the margin interest onto your total purchase price. Then devide by the number of shares. Glenn



To: alvin ung who wrote (28924)12/31/1997 9:28:00 AM
From: pae  Respond to of 61433
 
Alvin,

I calc margin costs per position via an excel spreadsheet.
First I calc what 1 day costs: #shares*price*intrate/360.
Then I calc out how many days I have held it and add in
commission costs. I use 1 line per position.
Here a paste of the excel formula giving me my expenses
per position (it updates for today's date):

=IF(D3 = "","",
IF(G3 = "",
DAYS360(E3,TODAY())*J3+9.95*2+D3*C3/30000,
DAYS360(E3,G3)*J3+9.95*2+F3*C3/30000))

column D=entry price
E=entry date
C=#shares
G=exit date (or blank if open position)
J=daily margin charge
F=exit price
D3*C3/30000 figures the SEC fee at exit
DAYS360(E3,TODAY()) figures days since entry
DAYS30(E3,G3) figures days held for a closed position
9.95 is my commission charge
The references to "" check for blank cells and keep the display clean.

Scary formula, but I have come to rely on it. Cheers!