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 Delta Air Lines Inc. common stock.
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Delta Air Lines Inc. pages available for free this week:
- Statement of Comprehensive Income
- Analysis of Profitability Ratios
- Analysis of Short-term (Operating) Activity Ratios
- Analysis of Reportable Segments
- Enterprise Value to EBITDA (EV/EBITDA)
- Price to FCFE (P/FCFE)
- Return on Equity (ROE) since 2007
- Total Asset Turnover since 2007
- Price to Operating Profit (P/OP) since 2007
- Price to Book Value (P/BV) since 2007
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Rates of Return
Delta Air Lines Inc., monthly rates of return
| Delta Air Lines Inc. (DAL) | Standard & Poor’s 500 (S&P 500) | |||||
|---|---|---|---|---|---|---|
| t | Date | PriceDAL,t1 | DividendDAL,t1 | RDAL,t2 | PriceS&P 500,t | RS&P 500,t3 |
| Jan 31, 2017 | ||||||
| 1. | Feb 28, 2017 | |||||
| 2. | Mar 31, 2017 | |||||
| 3. | Apr 30, 2017 | |||||
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| 58. | Nov 30, 2021 | |||||
| 59. | Dec 31, 2021 | |||||
| Average (R): | ||||||
| Standard deviation: | ||||||
| Delta Air Lines Inc. (DAL) | Standard & Poor’s 500 (S&P 500) | |||||
|---|---|---|---|---|---|---|
| t | Date | PriceDAL,t1 | DividendDAL,t1 | RDAL,t2 | PriceS&P 500,t | RS&P 500,t3 |
| Jan 31, 2017 | ||||||
| 1. | Feb 28, 2017 | |||||
| 2. | Mar 31, 2017 | |||||
| 3. | Apr 30, 2017 | |||||
| 4. | May 31, 2017 | |||||
| 5. | Jun 30, 2017 | |||||
| 6. | Jul 31, 2017 | |||||
| 7. | Aug 31, 2017 | |||||
| 8. | Sep 30, 2017 | |||||
| 9. | Oct 31, 2017 | |||||
| 10. | Nov 30, 2017 | |||||
| 11. | Dec 31, 2017 | |||||
| 12. | Jan 31, 2018 | |||||
| 13. | Feb 28, 2018 | |||||
| 14. | Mar 31, 2018 | |||||
| 15. | Apr 30, 2018 | |||||
| 16. | May 31, 2018 | |||||
| 17. | Jun 30, 2018 | |||||
| 18. | Jul 31, 2018 | |||||
| 19. | Aug 31, 2018 | |||||
| 20. | Sep 30, 2018 | |||||
| 21. | Oct 31, 2018 | |||||
| 22. | Nov 30, 2018 | |||||
| 23. | Dec 31, 2018 | |||||
| 24. | Jan 31, 2019 | |||||
| 25. | Feb 28, 2019 | |||||
| 26. | Mar 31, 2019 | |||||
| 27. | Apr 30, 2019 | |||||
| 28. | May 31, 2019 | |||||
| 29. | Jun 30, 2019 | |||||
| 30. | Jul 31, 2019 | |||||
| 31. | Aug 31, 2019 | |||||
| 32. | Sep 30, 2019 | |||||
| 33. | Oct 31, 2019 | |||||
| 34. | Nov 30, 2019 | |||||
| 35. | Dec 31, 2019 | |||||
| 36. | Jan 31, 2020 | |||||
| 37. | Feb 29, 2020 | |||||
| 38. | Mar 31, 2020 | |||||
| 39. | Apr 30, 2020 | |||||
| 40. | May 31, 2020 | |||||
| 41. | Jun 30, 2020 | |||||
| 42. | Jul 31, 2020 | |||||
| 43. | Aug 31, 2020 | |||||
| 44. | Sep 30, 2020 | |||||
| 45. | Oct 31, 2020 | |||||
| 46. | Nov 30, 2020 | |||||
| 47. | Dec 31, 2020 | |||||
| 48. | Jan 31, 2021 | |||||
| 49. | Feb 28, 2021 | |||||
| 50. | Mar 31, 2021 | |||||
| 51. | Apr 30, 2021 | |||||
| 52. | May 31, 2021 | |||||
| 53. | Jun 30, 2021 | |||||
| 54. | Jul 31, 2021 | |||||
| 55. | Aug 31, 2021 | |||||
| 56. | Sep 30, 2021 | |||||
| 57. | Oct 31, 2021 | |||||
| 58. | Nov 30, 2021 | |||||
| 59. | Dec 31, 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 DAL during period t
3 Rate of return on S&P 500 (the market portfolio proxy) during period t
Variance and Covariance
Delta Air Lines Inc., calculation of variance and covariance of returns
| t | Date | RDAL,t | RS&P 500,t | (RDAL,t–RDAL)2 | (RS&P 500,t–RS&P 500)2 | (RDAL,t–RDAL)×(RS&P 500,t–RS&P 500) |
|---|---|---|---|---|---|---|
| 1. | Feb 28, 2017 | |||||
| 2. | Mar 31, 2017 | |||||
| 3. | Apr 30, 2017 | |||||
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| 58. | Nov 30, 2021 | |||||
| 59. | Dec 31, 2021 | |||||
| Total (Σ): | ||||||
| t | Date | RDAL,t | RS&P 500,t | (RDAL,t–RDAL)2 | (RS&P 500,t–RS&P 500)2 | (RDAL,t–RDAL)×(RS&P 500,t–RS&P 500) |
|---|---|---|---|---|---|---|
| 1. | Feb 28, 2017 | |||||
| 2. | Mar 31, 2017 | |||||
| 3. | Apr 30, 2017 | |||||
| 4. | May 31, 2017 | |||||
| 5. | Jun 30, 2017 | |||||
| 6. | Jul 31, 2017 | |||||
| 7. | Aug 31, 2017 | |||||
| 8. | Sep 30, 2017 | |||||
| 9. | Oct 31, 2017 | |||||
| 10. | Nov 30, 2017 | |||||
| 11. | Dec 31, 2017 | |||||
| 12. | Jan 31, 2018 | |||||
| 13. | Feb 28, 2018 | |||||
| 14. | Mar 31, 2018 | |||||
| 15. | Apr 30, 2018 | |||||
| 16. | May 31, 2018 | |||||
| 17. | Jun 30, 2018 | |||||
| 18. | Jul 31, 2018 | |||||
| 19. | Aug 31, 2018 | |||||
| 20. | Sep 30, 2018 | |||||
| 21. | Oct 31, 2018 | |||||
| 22. | Nov 30, 2018 | |||||
| 23. | Dec 31, 2018 | |||||
| 24. | Jan 31, 2019 | |||||
| 25. | Feb 28, 2019 | |||||
| 26. | Mar 31, 2019 | |||||
| 27. | Apr 30, 2019 | |||||
| 28. | May 31, 2019 | |||||
| 29. | Jun 30, 2019 | |||||
| 30. | Jul 31, 2019 | |||||
| 31. | Aug 31, 2019 | |||||
| 32. | Sep 30, 2019 | |||||
| 33. | Oct 31, 2019 | |||||
| 34. | Nov 30, 2019 | |||||
| 35. | Dec 31, 2019 | |||||
| 36. | Jan 31, 2020 | |||||
| 37. | Feb 29, 2020 | |||||
| 38. | Mar 31, 2020 | |||||
| 39. | Apr 30, 2020 | |||||
| 40. | May 31, 2020 | |||||
| 41. | Jun 30, 2020 | |||||
| 42. | Jul 31, 2020 | |||||
| 43. | Aug 31, 2020 | |||||
| 44. | Sep 30, 2020 | |||||
| 45. | Oct 31, 2020 | |||||
| 46. | Nov 30, 2020 | |||||
| 47. | Dec 31, 2020 | |||||
| 48. | Jan 31, 2021 | |||||
| 49. | Feb 28, 2021 | |||||
| 50. | Mar 31, 2021 | |||||
| 51. | Apr 30, 2021 | |||||
| 52. | May 31, 2021 | |||||
| 53. | Jun 30, 2021 | |||||
| 54. | Jul 31, 2021 | |||||
| 55. | Aug 31, 2021 | |||||
| 56. | Sep 30, 2021 | |||||
| 57. | Oct 31, 2021 | |||||
| 58. | Nov 30, 2021 | |||||
| 59. | Dec 31, 2021 | |||||
| Total (Σ): | ||||||
Show all
VarianceDAL = Σ(RDAL,t–RDAL)2 ÷ (59 – 1)
= ÷ (59 – 1)
=
VarianceS&P 500 = Σ(RS&P 500,t–RS&P 500)2 ÷ (59 – 1)
= ÷ (59 – 1)
=
CovarianceDAL, S&P 500 = Σ(RDAL,t–RDAL)×(RS&P 500,t–RS&P 500) ÷ (59 – 1)
= ÷ (59 – 1)
=
Systematic Risk (β) Estimation
| VarianceDAL | |
| VarianceS&P 500 | |
| CovarianceDAL, S&P 500 | |
| Correlation coefficientDAL, S&P 5001 | |
| βDAL2 | |
| αDAL3 |
Calculations
1 Correlation coefficientDAL, S&P 500
= CovarianceDAL, S&P 500 ÷ (Standard deviationDAL × Standard deviationS&P 500)
= ÷ ( × )
=
2 βDAL
= CovarianceDAL, S&P 500 ÷ VarianceS&P 500
= ÷
=
3 αDAL
= AverageDAL – βDAL × 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 Delta Air Lines Inc. common stock | βDAL | |
| Expected rate of return on Delta Air Lines Inc. common stock3 | E(RDAL) | |
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(RDAL) = RF + βDAL [E(RM) – RF]
= + [ – ]
=