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 Automatic Data Processing Inc. common stock.
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Automatic Data Processing Inc. pages available for free this week:
- Balance Sheet: Assets
- Cash Flow Statement
- Analysis of Short-term (Operating) Activity Ratios
- Analysis of Long-term (Investment) Activity Ratios
- Common Stock Valuation Ratios
- Enterprise Value (EV)
- Enterprise Value to EBITDA (EV/EBITDA)
- Return on Assets (ROA) since 2005
- Debt to Equity since 2005
- Price to Sales (P/S) since 2005
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Rates of Return
Automatic Data Processing Inc., monthly rates of return
| Automatic Data Processing Inc. (ADP) | Standard & Poor’s 500 (S&P 500) | |||||
|---|---|---|---|---|---|---|
| t | Date | PriceADP,t1 | DividendADP,t1 | RADP,t2 | PriceS&P 500,t | RS&P 500,t3 |
| Jul 31, 2015 | ||||||
| 1. | Aug 31, 2015 | |||||
| 2. | Sep 30, 2015 | |||||
| 3. | Oct 31, 2015 | |||||
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| 70. | May 31, 2021 | |||||
| 71. | Jun 30, 2021 | |||||
| Average (R): | ||||||
| Standard deviation: | ||||||
| Automatic Data Processing Inc. (ADP) | Standard & Poor’s 500 (S&P 500) | |||||
|---|---|---|---|---|---|---|
| t | Date | PriceADP,t1 | DividendADP,t1 | RADP,t2 | PriceS&P 500,t | RS&P 500,t3 |
| Jul 31, 2015 | ||||||
| 1. | Aug 31, 2015 | |||||
| 2. | Sep 30, 2015 | |||||
| 3. | Oct 31, 2015 | |||||
| 4. | Nov 30, 2015 | |||||
| 5. | Dec 31, 2015 | |||||
| 6. | Jan 31, 2016 | |||||
| 7. | Feb 29, 2016 | |||||
| 8. | Mar 31, 2016 | |||||
| 9. | Apr 30, 2016 | |||||
| 10. | May 31, 2016 | |||||
| 11. | Jun 30, 2016 | |||||
| 12. | Jul 31, 2016 | |||||
| 13. | Aug 31, 2016 | |||||
| 14. | Sep 30, 2016 | |||||
| 15. | Oct 31, 2016 | |||||
| 16. | Nov 30, 2016 | |||||
| 17. | Dec 31, 2016 | |||||
| 18. | Jan 31, 2017 | |||||
| 19. | Feb 28, 2017 | |||||
| 20. | Mar 31, 2017 | |||||
| 21. | Apr 30, 2017 | |||||
| 22. | May 31, 2017 | |||||
| 23. | Jun 30, 2017 | |||||
| 24. | Jul 31, 2017 | |||||
| 25. | Aug 31, 2017 | |||||
| 26. | Sep 30, 2017 | |||||
| 27. | Oct 31, 2017 | |||||
| 28. | Nov 30, 2017 | |||||
| 29. | Dec 31, 2017 | |||||
| 30. | Jan 31, 2018 | |||||
| 31. | Feb 28, 2018 | |||||
| 32. | Mar 31, 2018 | |||||
| 33. | Apr 30, 2018 | |||||
| 34. | May 31, 2018 | |||||
| 35. | Jun 30, 2018 | |||||
| 36. | Jul 31, 2018 | |||||
| 37. | Aug 31, 2018 | |||||
| 38. | Sep 30, 2018 | |||||
| 39. | Oct 31, 2018 | |||||
| 40. | Nov 30, 2018 | |||||
| 41. | Dec 31, 2018 | |||||
| 42. | Jan 31, 2019 | |||||
| 43. | Feb 28, 2019 | |||||
| 44. | Mar 31, 2019 | |||||
| 45. | Apr 30, 2019 | |||||
| 46. | May 31, 2019 | |||||
| 47. | Jun 30, 2019 | |||||
| 48. | Jul 31, 2019 | |||||
| 49. | Aug 31, 2019 | |||||
| 50. | Sep 30, 2019 | |||||
| 51. | Oct 31, 2019 | |||||
| 52. | Nov 30, 2019 | |||||
| 53. | Dec 31, 2019 | |||||
| 54. | Jan 31, 2020 | |||||
| 55. | Feb 29, 2020 | |||||
| 56. | Mar 31, 2020 | |||||
| 57. | Apr 30, 2020 | |||||
| 58. | May 31, 2020 | |||||
| 59. | Jun 30, 2020 | |||||
| 60. | Jul 31, 2020 | |||||
| 61. | Aug 31, 2020 | |||||
| 62. | Sep 30, 2020 | |||||
| 63. | Oct 31, 2020 | |||||
| 64. | Nov 30, 2020 | |||||
| 65. | Dec 31, 2020 | |||||
| 66. | Jan 31, 2021 | |||||
| 67. | Feb 28, 2021 | |||||
| 68. | Mar 31, 2021 | |||||
| 69. | Apr 30, 2021 | |||||
| 70. | May 31, 2021 | |||||
| 71. | Jun 30, 2021 | |||||
| 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 ADP during period t
3 Rate of return on S&P 500 (the market portfolio proxy) during period t
Variance and Covariance
Automatic Data Processing Inc., calculation of variance and covariance of returns
| t | Date | RADP,t | RS&P 500,t | (RADP,t–RADP)2 | (RS&P 500,t–RS&P 500)2 | (RADP,t–RADP)×(RS&P 500,t–RS&P 500) |
|---|---|---|---|---|---|---|
| 1. | Aug 31, 2015 | |||||
| 2. | Sep 30, 2015 | |||||
| 3. | Oct 31, 2015 | |||||
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| 70. | May 31, 2021 | |||||
| 71. | Jun 30, 2021 | |||||
| Total (Σ): | ||||||
| t | Date | RADP,t | RS&P 500,t | (RADP,t–RADP)2 | (RS&P 500,t–RS&P 500)2 | (RADP,t–RADP)×(RS&P 500,t–RS&P 500) |
|---|---|---|---|---|---|---|
| 1. | Aug 31, 2015 | |||||
| 2. | Sep 30, 2015 | |||||
| 3. | Oct 31, 2015 | |||||
| 4. | Nov 30, 2015 | |||||
| 5. | Dec 31, 2015 | |||||
| 6. | Jan 31, 2016 | |||||
| 7. | Feb 29, 2016 | |||||
| 8. | Mar 31, 2016 | |||||
| 9. | Apr 30, 2016 | |||||
| 10. | May 31, 2016 | |||||
| 11. | Jun 30, 2016 | |||||
| 12. | Jul 31, 2016 | |||||
| 13. | Aug 31, 2016 | |||||
| 14. | Sep 30, 2016 | |||||
| 15. | Oct 31, 2016 | |||||
| 16. | Nov 30, 2016 | |||||
| 17. | Dec 31, 2016 | |||||
| 18. | Jan 31, 2017 | |||||
| 19. | Feb 28, 2017 | |||||
| 20. | Mar 31, 2017 | |||||
| 21. | Apr 30, 2017 | |||||
| 22. | May 31, 2017 | |||||
| 23. | Jun 30, 2017 | |||||
| 24. | Jul 31, 2017 | |||||
| 25. | Aug 31, 2017 | |||||
| 26. | Sep 30, 2017 | |||||
| 27. | Oct 31, 2017 | |||||
| 28. | Nov 30, 2017 | |||||
| 29. | Dec 31, 2017 | |||||
| 30. | Jan 31, 2018 | |||||
| 31. | Feb 28, 2018 | |||||
| 32. | Mar 31, 2018 | |||||
| 33. | Apr 30, 2018 | |||||
| 34. | May 31, 2018 | |||||
| 35. | Jun 30, 2018 | |||||
| 36. | Jul 31, 2018 | |||||
| 37. | Aug 31, 2018 | |||||
| 38. | Sep 30, 2018 | |||||
| 39. | Oct 31, 2018 | |||||
| 40. | Nov 30, 2018 | |||||
| 41. | Dec 31, 2018 | |||||
| 42. | Jan 31, 2019 | |||||
| 43. | Feb 28, 2019 | |||||
| 44. | Mar 31, 2019 | |||||
| 45. | Apr 30, 2019 | |||||
| 46. | May 31, 2019 | |||||
| 47. | Jun 30, 2019 | |||||
| 48. | Jul 31, 2019 | |||||
| 49. | Aug 31, 2019 | |||||
| 50. | Sep 30, 2019 | |||||
| 51. | Oct 31, 2019 | |||||
| 52. | Nov 30, 2019 | |||||
| 53. | Dec 31, 2019 | |||||
| 54. | Jan 31, 2020 | |||||
| 55. | Feb 29, 2020 | |||||
| 56. | Mar 31, 2020 | |||||
| 57. | Apr 30, 2020 | |||||
| 58. | May 31, 2020 | |||||
| 59. | Jun 30, 2020 | |||||
| 60. | Jul 31, 2020 | |||||
| 61. | Aug 31, 2020 | |||||
| 62. | Sep 30, 2020 | |||||
| 63. | Oct 31, 2020 | |||||
| 64. | Nov 30, 2020 | |||||
| 65. | Dec 31, 2020 | |||||
| 66. | Jan 31, 2021 | |||||
| 67. | Feb 28, 2021 | |||||
| 68. | Mar 31, 2021 | |||||
| 69. | Apr 30, 2021 | |||||
| 70. | May 31, 2021 | |||||
| 71. | Jun 30, 2021 | |||||
| Total (Σ): | ||||||
Show all
VarianceADP = Σ(RADP,t–RADP)2 ÷ (71 – 1)
= ÷ (71 – 1)
=
VarianceS&P 500 = Σ(RS&P 500,t–RS&P 500)2 ÷ (71 – 1)
= ÷ (71 – 1)
=
CovarianceADP, S&P 500 = Σ(RADP,t–RADP)×(RS&P 500,t–RS&P 500) ÷ (71 – 1)
= ÷ (71 – 1)
=
Systematic Risk (β) Estimation
| VarianceADP | |
| VarianceS&P 500 | |
| CovarianceADP, S&P 500 | |
| Correlation coefficientADP, S&P 5001 | |
| βADP2 | |
| αADP3 |
Calculations
1 Correlation coefficientADP, S&P 500
= CovarianceADP, S&P 500 ÷ (Standard deviationADP × Standard deviationS&P 500)
= ÷ ( × )
=
2 βADP
= CovarianceADP, S&P 500 ÷ VarianceS&P 500
= ÷
=
3 αADP
= AverageADP – βADP × 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 Automatic Data Processing Inc. common stock | βADP | |
| Expected rate of return on Automatic Data Processing Inc. common stock3 | E(RADP) | |
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(RADP) = RF + βADP [E(RM) – RF]
= + [ – ]
=