A stock trader you employ currently follows 24 stocks and up…
A stock trader you employ currently follows 24 stocks and updates her alpha forecasts every month. She then initiates a certain number of trades each month (less than 24) based on this analysis. You have analyzed her past performance for several years, and find she has an IC = 0.07 and an IR = 0.63. Using the information provided , how many stocks would she need to follow to increase her IR from 0.63 to 0.75? Assume that her IC will remain at 0.07.