Computational Investing Part I (Coursera) - Week 2

Week 2

Module 1

1.1
  • Understand methods of estimating a company's value
  • Market cap
  • Future dividends
  • Book value
  • Company that can produce $1 per year example (similar to Magic Formula lesson of the bubble gum kid)
  • What is the Current Value of a Future $1?
  • "If you give me money now, I promise I'll give you money in a year." How much should you expect?
    • Look at alternatives:
    • How much does bank give you?
  • Intrinsic value
    • "future income generated by the asset, and discounting it to the present value."
    • sum(dividend * gamma ^ i) = dividend * 1/(1-gamma)
1.2
  • One way of evaluating a company: information and news
  • News informs traders about the company's capacity to make money in the future
  • Local and Global Affects -- kinda missed this part
Opinion
  • Interesting example of an Event Study based from a Journal of Economic Literature
1.3
  • What's a company worth?
  • Fundamental analysis
  • Book value + future return (aka instrinsic value)
  • What's a company worth?
  • Why not ask the market?
  • value = # shares outstanding * price
  • Efficient market hypothesis

Module 2

2.1

  • CAPM
  • introduced in 1966
  • lead the 'index investing' movement
  • assumptions
    • return on stock has two components
    • systematic (the market)
    • residual
    • expected value of residual = 0
    • market return:
    • risk free rate of return +
    • excess return
  • Another way to understand CAPM is via this series of videos: http://www.youtube.com/watch?v=LWsEJYPSw0k

2.2

  • Recap of CAPM -- very hard to understand