132 133 134 135 7. A portfolio manager has the following portfolio of GME options. Each option is for 100 shares of an underlying equity. Option Position Delta Vega Calls 2500 0.60 0.30 Puts 3000 -0.42 0.24 a) What is the portfolio net delta and gamma? b) The trader wishes to make the portfolio both delta and vega neutral using the underlying stock for the options and another put P with A = 0.55 and V = 0.17. How many P options and underlying shares is required to make the portfolio both delta and vega neutral indicate whether they are bought or sold. Buy/sell Number P Options: Shares