Capital Asset Pricing Model (CAPM)
Capital asset pricing model (CAPM) indicates what should be the expected or required rate of return on risky assets like Express Scripts Holding Co. common stock.
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Express Scripts Holding Co. pages available for free this week:
- Income Statement
- Common-Size Income Statement
- Common-Size Balance Sheet: Assets
- Analysis of Solvency Ratios
- Analysis of Short-term (Operating) Activity Ratios
- Analysis of Reportable Segments
- Present Value of Free Cash Flow to Equity (FCFE)
- Net Profit Margin since 2005
- Return on Assets (ROA) since 2005
- Price to Sales (P/S) since 2005
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Rates of Return
Express Scripts Holding Co., monthly rates of return
| Express Scripts Holding Co. (ESRX) | Standard & Poor’s 500 (S&P 500) | |||||
|---|---|---|---|---|---|---|
| t | Date | PriceESRX,t1 | DividendESRX,t1 | RESRX,t2 | PriceS&P 500,t | RS&P 500,t3 |
| Jan 31, 2013 | ||||||
| 1. | Feb 28, 2013 | |||||
| 2. | Mar 31, 2013 | |||||
| 3. | Apr 30, 2013 | |||||
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| 58. | Nov 30, 2017 | |||||
| 59. | Dec 31, 2017 | |||||
| Average (R): | ||||||
| Standard deviation: | ||||||
| Express Scripts Holding Co. (ESRX) | Standard & Poor’s 500 (S&P 500) | |||||
|---|---|---|---|---|---|---|
| t | Date | PriceESRX,t1 | DividendESRX,t1 | RESRX,t2 | PriceS&P 500,t | RS&P 500,t3 |
| Jan 31, 2013 | ||||||
| 1. | Feb 28, 2013 | |||||
| 2. | Mar 31, 2013 | |||||
| 3. | Apr 30, 2013 | |||||
| 4. | May 31, 2013 | |||||
| 5. | Jun 30, 2013 | |||||
| 6. | Jul 31, 2013 | |||||
| 7. | Aug 31, 2013 | |||||
| 8. | Sep 30, 2013 | |||||
| 9. | Oct 31, 2013 | |||||
| 10. | Nov 30, 2013 | |||||
| 11. | Dec 31, 2013 | |||||
| 12. | Jan 31, 2014 | |||||
| 13. | Feb 28, 2014 | |||||
| 14. | Mar 31, 2014 | |||||
| 15. | Apr 30, 2014 | |||||
| 16. | May 31, 2014 | |||||
| 17. | Jun 30, 2014 | |||||
| 18. | Jul 31, 2014 | |||||
| 19. | Aug 31, 2014 | |||||
| 20. | Sep 30, 2014 | |||||
| 21. | Oct 31, 2014 | |||||
| 22. | Nov 30, 2014 | |||||
| 23. | Dec 31, 2014 | |||||
| 24. | Jan 31, 2015 | |||||
| 25. | Feb 28, 2015 | |||||
| 26. | Mar 31, 2015 | |||||
| 27. | Apr 30, 2015 | |||||
| 28. | May 31, 2015 | |||||
| 29. | Jun 30, 2015 | |||||
| 30. | Jul 31, 2015 | |||||
| 31. | Aug 31, 2015 | |||||
| 32. | Sep 30, 2015 | |||||
| 33. | Oct 31, 2015 | |||||
| 34. | Nov 30, 2015 | |||||
| 35. | Dec 31, 2015 | |||||
| 36. | Jan 31, 2016 | |||||
| 37. | Feb 29, 2016 | |||||
| 38. | Mar 31, 2016 | |||||
| 39. | Apr 30, 2016 | |||||
| 40. | May 31, 2016 | |||||
| 41. | Jun 30, 2016 | |||||
| 42. | Jul 31, 2016 | |||||
| 43. | Aug 31, 2016 | |||||
| 44. | Sep 30, 2016 | |||||
| 45. | Oct 31, 2016 | |||||
| 46. | Nov 30, 2016 | |||||
| 47. | Dec 31, 2016 | |||||
| 48. | Jan 31, 2017 | |||||
| 49. | Feb 28, 2017 | |||||
| 50. | Mar 31, 2017 | |||||
| 51. | Apr 30, 2017 | |||||
| 52. | May 31, 2017 | |||||
| 53. | Jun 30, 2017 | |||||
| 54. | Jul 31, 2017 | |||||
| 55. | Aug 31, 2017 | |||||
| 56. | Sep 30, 2017 | |||||
| 57. | Oct 31, 2017 | |||||
| 58. | Nov 30, 2017 | |||||
| 59. | Dec 31, 2017 | |||||
| Average (R): | ||||||
| Standard deviation: | ||||||
Show all
1 Data in US$ per share of common stock, adjusted for splits and stock dividends.
2 Rate of return on common stock of ESRX during period t
3 Rate of return on S&P 500 (the market portfolio proxy) during period t
Variance and Covariance
Express Scripts Holding Co., calculation of variance and covariance of returns
| t | Date | RESRX,t | RS&P 500,t | (RESRX,t–RESRX)2 | (RS&P 500,t–RS&P 500)2 | (RESRX,t–RESRX)×(RS&P 500,t–RS&P 500) |
|---|---|---|---|---|---|---|
| 1. | Feb 28, 2013 | |||||
| 2. | Mar 31, 2013 | |||||
| 3. | Apr 30, 2013 | |||||
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| 58. | Nov 30, 2017 | |||||
| 59. | Dec 31, 2017 | |||||
| Total (Σ): | ||||||
| t | Date | RESRX,t | RS&P 500,t | (RESRX,t–RESRX)2 | (RS&P 500,t–RS&P 500)2 | (RESRX,t–RESRX)×(RS&P 500,t–RS&P 500) |
|---|---|---|---|---|---|---|
| 1. | Feb 28, 2013 | |||||
| 2. | Mar 31, 2013 | |||||
| 3. | Apr 30, 2013 | |||||
| 4. | May 31, 2013 | |||||
| 5. | Jun 30, 2013 | |||||
| 6. | Jul 31, 2013 | |||||
| 7. | Aug 31, 2013 | |||||
| 8. | Sep 30, 2013 | |||||
| 9. | Oct 31, 2013 | |||||
| 10. | Nov 30, 2013 | |||||
| 11. | Dec 31, 2013 | |||||
| 12. | Jan 31, 2014 | |||||
| 13. | Feb 28, 2014 | |||||
| 14. | Mar 31, 2014 | |||||
| 15. | Apr 30, 2014 | |||||
| 16. | May 31, 2014 | |||||
| 17. | Jun 30, 2014 | |||||
| 18. | Jul 31, 2014 | |||||
| 19. | Aug 31, 2014 | |||||
| 20. | Sep 30, 2014 | |||||
| 21. | Oct 31, 2014 | |||||
| 22. | Nov 30, 2014 | |||||
| 23. | Dec 31, 2014 | |||||
| 24. | Jan 31, 2015 | |||||
| 25. | Feb 28, 2015 | |||||
| 26. | Mar 31, 2015 | |||||
| 27. | Apr 30, 2015 | |||||
| 28. | May 31, 2015 | |||||
| 29. | Jun 30, 2015 | |||||
| 30. | Jul 31, 2015 | |||||
| 31. | Aug 31, 2015 | |||||
| 32. | Sep 30, 2015 | |||||
| 33. | Oct 31, 2015 | |||||
| 34. | Nov 30, 2015 | |||||
| 35. | Dec 31, 2015 | |||||
| 36. | Jan 31, 2016 | |||||
| 37. | Feb 29, 2016 | |||||
| 38. | Mar 31, 2016 | |||||
| 39. | Apr 30, 2016 | |||||
| 40. | May 31, 2016 | |||||
| 41. | Jun 30, 2016 | |||||
| 42. | Jul 31, 2016 | |||||
| 43. | Aug 31, 2016 | |||||
| 44. | Sep 30, 2016 | |||||
| 45. | Oct 31, 2016 | |||||
| 46. | Nov 30, 2016 | |||||
| 47. | Dec 31, 2016 | |||||
| 48. | Jan 31, 2017 | |||||
| 49. | Feb 28, 2017 | |||||
| 50. | Mar 31, 2017 | |||||
| 51. | Apr 30, 2017 | |||||
| 52. | May 31, 2017 | |||||
| 53. | Jun 30, 2017 | |||||
| 54. | Jul 31, 2017 | |||||
| 55. | Aug 31, 2017 | |||||
| 56. | Sep 30, 2017 | |||||
| 57. | Oct 31, 2017 | |||||
| 58. | Nov 30, 2017 | |||||
| 59. | Dec 31, 2017 | |||||
| Total (Σ): | ||||||
Show all
VarianceESRX = Σ(RESRX,t–RESRX)2 ÷ (59 – 1)
= ÷ (59 – 1)
=
VarianceS&P 500 = Σ(RS&P 500,t–RS&P 500)2 ÷ (59 – 1)
= ÷ (59 – 1)
=
CovarianceESRX, S&P 500 = Σ(RESRX,t–RESRX)×(RS&P 500,t–RS&P 500) ÷ (59 – 1)
= ÷ (59 – 1)
=
Systematic Risk (β) Estimation
| VarianceESRX | |
| VarianceS&P 500 | |
| CovarianceESRX, S&P 500 | |
| Correlation coefficientESRX, S&P 5001 | |
| βESRX2 | |
| αESRX3 |
Calculations
1 Correlation coefficientESRX, S&P 500
= CovarianceESRX, S&P 500 ÷ (Standard deviationESRX × Standard deviationS&P 500)
= ÷ ( × )
=
2 βESRX
= CovarianceESRX, S&P 500 ÷ VarianceS&P 500
= ÷
=
3 αESRX
= AverageESRX – βESRX × AverageS&P 500
= – ×
=
Expected Rate of Return
| Assumptions | ||
| Rate of return on LT Treasury Composite1 | RF | |
| Expected rate of return on market portfolio2 | E(RM) | |
| Systematic risk (β) of Express Scripts Holding Co. common stock | βESRX | |
| Expected rate of return on Express Scripts Holding Co. common stock3 | E(RESRX) | |
1 Unweighted average of bid yields on all outstanding fixed-coupon U.S. Treasury bonds neither due or callable in less than 10 years (risk-free rate of return proxy).
3 E(RESRX) = RF + βESRX [E(RM) – RF]
= + [ – ]
=