Let's play a game · Instruction: 8. swing the rope 1 touch your shoulders 9. snatch the ball 2. bend your knees 10 bowl the ball ..serve the ball 11. throw the ball 4. stretch your arms 12. raise your arms 5.skip the rope 13. twist your fingers 6. hit the ball 14. stretch your body 7. bounce up and down .15. boxing
Standard Approach to Estimating Volatility (Equation 15.1 Define on as the volatility per day between day n-1 and day n, as estimated at end of day n-1 · Define, as the value of market variable at end of day i Define ui= In(S /Si-1)