Trading on Margin Buying on Margin: Example: Suppose Samantha B. has a total of $30,000 to invest through a buying on margin of NSP. How many shares of NSP can Samantha buy (on margin) if the initial margin is based on the table below (IDA margin rules) The order book of NSP is given in the following table: (Show your relevant work) Price $2 - up $1.5 - $1.99 $0.25 - $1.49 Initial Margin rate 50% $3 - price 100% NSP BID ASK Price 1.38 1.35 1.25 1.13 Vol 10000 5000 15000 12000 Price 1.40 1.75 1.80 2.15 Vol 12000 15000 8000 16000