Modèle d’évaluation des immobilisations (CAPM)
Le modèle d’évaluation des actifs financiers (MEDAF) indique quel devrait être le taux de rendement attendu ou requis sur les actifs risqués comme les actions ordinaires de Bed Bath & Beyond.
Taux de rendement
Bed Bath & Beyond Inc., taux de rendement mensuels
| Bed Bath & Beyond Inc. (BBBY) | Standard & Poor’s 500 (S&P 500) | |||||
|---|---|---|---|---|---|---|
| t | Date | PrixBBBY,t1 | DividendeBBBY,t1 | RBBBY,t2 | PrixS&P 500,t | RS&P 500,t3 |
| 31 mars 2016 | $49.64 | 2,059.74 | ||||
| 1. | 30 avr. 2016 | $47.22 | -4.88% | 2,065.30 | 0.27% | |
| 2. | 31 mai 2016 | $44.75 | -5.23% | 2,096.95 | 1.53% | |
| 3. | 30 juin 2016 | $43.22 | $0.125 | -3.14% | 2,098.86 | 0.09% |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| 70. | 31 janv. 2022 | $16.24 | 11.39% | 4,515.55 | -5.26% | |
| 71. | 28 févr. 2022 | $16.89 | 4.00% | 4,373.94 | -3.14% | |
| Moyenne (R): | 0.79% | 1.16% | ||||
| Écart type: | 21.17% | 4.23% | ||||
| Bed Bath & Beyond Inc. (BBBY) | Standard & Poor’s 500 (S&P 500) | |||||
|---|---|---|---|---|---|---|
| t | Date | PrixBBBY,t1 | DividendeBBBY,t1 | RBBBY,t2 | PrixS&P 500,t | RS&P 500,t3 |
| 31 mars 2016 | $49.64 | 2,059.74 | ||||
| 1. | 30 avr. 2016 | $47.22 | -4.88% | 2,065.30 | 0.27% | |
| 2. | 31 mai 2016 | $44.75 | -5.23% | 2,096.95 | 1.53% | |
| 3. | 30 juin 2016 | $43.22 | $0.125 | -3.14% | 2,098.86 | 0.09% |
| 4. | 31 juil. 2016 | $44.95 | 4.00% | 2,173.60 | 3.56% | |
| 5. | 31 août 2016 | $46.37 | 3.16% | 2,170.95 | -0.12% | |
| 6. | 30 sept. 2016 | $43.11 | $0.125 | -6.76% | 2,168.27 | -0.12% |
| 7. | 31 oct. 2016 | $40.42 | -6.24% | 2,126.15 | -1.94% | |
| 8. | 30 nov. 2016 | $44.81 | 10.86% | 2,198.81 | 3.42% | |
| 9. | 31 déc. 2016 | $40.64 | $0.125 | -9.03% | 2,238.83 | 1.82% |
| 10. | 31 janv. 2017 | $40.35 | -0.71% | 2,278.87 | 1.79% | |
| 11. | 28 févr. 2017 | $40.40 | 0.12% | 2,363.64 | 3.72% | |
| 12. | 31 mars 2017 | $39.46 | $0.125 | -2.02% | 2,362.72 | -0.04% |
| 13. | 30 avr. 2017 | $38.75 | -1.80% | 2,384.20 | 0.91% | |
| 14. | 31 mai 2017 | $34.41 | -11.20% | 2,411.80 | 1.16% | |
| 15. | 30 juin 2017 | $30.40 | $0.15 | -11.22% | 2,423.41 | 0.48% |
| 16. | 31 juil. 2017 | $29.90 | -1.64% | 2,470.30 | 1.93% | |
| 17. | 31 août 2017 | $27.59 | -7.73% | 2,471.65 | 0.05% | |
| 18. | 30 sept. 2017 | $23.47 | $0.15 | -14.39% | 2,519.36 | 1.93% |
| 19. | 31 oct. 2017 | $19.90 | -15.21% | 2,575.26 | 2.22% | |
| 20. | 30 nov. 2017 | $22.39 | 12.51% | 2,647.58 | 2.81% | |
| 21. | 31 déc. 2017 | $21.99 | $0.15 | -1.12% | 2,673.61 | 0.98% |
| 22. | 31 janv. 2018 | $23.08 | 4.96% | 2,823.81 | 5.62% | |
| 23. | 28 févr. 2018 | $21.44 | -7.11% | 2,713.83 | -3.89% | |
| 24. | 31 mars 2018 | $20.99 | $0.15 | -1.40% | 2,640.87 | -2.69% |
| 25. | 30 avr. 2018 | $17.46 | -16.82% | 2,648.05 | 0.27% | |
| 26. | 31 mai 2018 | $18.16 | 4.01% | 2,705.27 | 2.16% | |
| 27. | 30 juin 2018 | $19.93 | $0.16 | 10.63% | 2,718.37 | 0.48% |
| 28. | 31 juil. 2018 | $18.73 | -6.02% | 2,816.29 | 3.60% | |
| 29. | 31 août 2018 | $17.94 | -4.22% | 2,901.52 | 3.03% | |
| 30. | 30 sept. 2018 | $15.00 | $0.16 | -15.50% | 2,913.98 | 0.43% |
| 31. | 31 oct. 2018 | $13.74 | -8.40% | 2,711.74 | -6.94% | |
| 32. | 30 nov. 2018 | $12.88 | -6.26% | 2,760.17 | 1.79% | |
| 33. | 31 déc. 2018 | $11.32 | $0.16 | -10.87% | 2,506.85 | -9.18% |
| 34. | 31 janv. 2019 | $15.09 | 33.30% | 2,704.10 | 7.87% | |
| 35. | 28 févr. 2019 | $16.73 | 10.87% | 2,784.49 | 2.97% | |
| 36. | 31 mars 2019 | $16.99 | $0.16 | 2.51% | 2,834.40 | 1.79% |
| 37. | 30 avr. 2019 | $16.71 | -1.65% | 2,945.83 | 3.93% | |
| 38. | 31 mai 2019 | $12.69 | -24.06% | 2,752.06 | -6.58% | |
| 39. | 30 juin 2019 | $11.62 | $0.17 | -7.09% | 2,941.76 | 6.89% |
| 40. | 31 juil. 2019 | $9.71 | -16.44% | 2,980.38 | 1.31% | |
| 41. | 31 août 2019 | $9.67 | -0.41% | 2,926.46 | -1.81% | |
| 42. | 30 sept. 2019 | $10.64 | $0.17 | 11.79% | 2,976.74 | 1.72% |
| 43. | 31 oct. 2019 | $13.70 | 28.76% | 3,037.56 | 2.04% | |
| 44. | 30 nov. 2019 | $14.58 | 6.42% | 3,140.98 | 3.40% | |
| 45. | 31 déc. 2019 | $17.30 | $0.17 | 19.82% | 3,230.78 | 2.86% |
| 46. | 31 janv. 2020 | $14.25 | -17.63% | 3,225.52 | -0.16% | |
| 47. | 29 févr. 2020 | $10.81 | -24.14% | 2,954.22 | -8.41% | |
| 48. | 31 mars 2020 | $4.21 | $0.17 | -59.48% | 2,584.59 | -12.51% |
| 49. | 30 avr. 2020 | $6.19 | 47.03% | 2,912.43 | 12.68% | |
| 50. | 31 mai 2020 | $7.27 | 17.45% | 3,044.31 | 4.53% | |
| 51. | 30 juin 2020 | $10.60 | 45.80% | 3,100.29 | 1.84% | |
| 52. | 31 juil. 2020 | $10.82 | 2.08% | 3,271.12 | 5.51% | |
| 53. | 31 août 2020 | $12.18 | 12.57% | 3,500.31 | 7.01% | |
| 54. | 30 sept. 2020 | $14.98 | 22.99% | 3,363.00 | -3.92% | |
| 55. | 31 oct. 2020 | $19.80 | 32.18% | 3,269.96 | -2.77% | |
| 56. | 30 nov. 2020 | $20.96 | 5.86% | 3,621.63 | 10.75% | |
| 57. | 31 déc. 2020 | $17.76 | -15.27% | 3,756.07 | 3.71% | |
| 58. | 31 janv. 2021 | $35.33 | 98.93% | 3,714.24 | -1.11% | |
| 59. | 28 févr. 2021 | $26.86 | -23.97% | 3,811.15 | 2.61% | |
| 60. | 31 mars 2021 | $29.15 | 8.53% | 3,972.89 | 4.24% | |
| 61. | 30 avr. 2021 | $25.32 | -13.14% | 4,181.17 | 5.24% | |
| 62. | 31 mai 2021 | $27.99 | 10.55% | 4,204.11 | 0.55% | |
| 63. | 30 juin 2021 | $33.29 | 18.94% | 4,297.50 | 2.22% | |
| 64. | 31 juil. 2021 | $28.54 | -14.27% | 4,395.26 | 2.27% | |
| 65. | 31 août 2021 | $27.54 | -3.50% | 4,522.68 | 2.90% | |
| 66. | 30 sept. 2021 | $17.27 | -37.29% | 4,307.54 | -4.76% | |
| 67. | 31 oct. 2021 | $14.04 | -18.70% | 4,605.38 | 6.91% | |
| 68. | 30 nov. 2021 | $18.33 | 30.56% | 4,567.00 | -0.83% | |
| 69. | 31 déc. 2021 | $14.58 | -20.46% | 4,766.18 | 4.36% | |
| 70. | 31 janv. 2022 | $16.24 | 11.39% | 4,515.55 | -5.26% | |
| 71. | 28 févr. 2022 | $16.89 | 4.00% | 4,373.94 | -3.14% | |
| Moyenne (R): | 0.79% | 1.16% | ||||
| Écart type: | 21.17% | 4.23% | ||||
Tout afficher
1 Données en dollars américains par action ordinaire, ajustées pour tenir compte des fractionnements et des dividendes en actions.
2 Taux de rendement des actions ordinaires de BBBY au cours de la période t.
3 Taux de rendement de l’indice S&P 500 (l’indicateur du portefeuille de marché) au cours de la période t.
Variance et covariance
Bed Bath & Beyond Inc., calcul de la variance et de la covariance des rendements
| t | Date | RBBBY,t | RS&P 500,t | (RBBBY,t–RBBBY)2 | (RS&P 500,t–RS&P 500)2 | (RBBBY,t–RBBBY)×(RS&P 500,t–RS&P 500) |
|---|---|---|---|---|---|---|
| 1. | 30 avr. 2016 | -4.88% | 0.27% | 32.10 | 0.78 | 5.02 |
| 2. | 31 mai 2016 | -5.23% | 1.53% | 36.26 | 0.14 | -2.27 |
| 3. | 30 juin 2016 | -3.14% | 0.09% | 15.45 | 1.13 | 4.18 |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| 70. | 31 janv. 2022 | 11.39% | -5.26% | 112.24 | 41.13 | -67.95 |
| 71. | 28 févr. 2022 | 4.00% | -3.14% | 10.31 | 18.41 | -13.78 |
| Total (Σ): | 31,361.94 | 1,252.81 | 1,931.29 | |||
| t | Date | RBBBY,t | RS&P 500,t | (RBBBY,t–RBBBY)2 | (RS&P 500,t–RS&P 500)2 | (RBBBY,t–RBBBY)×(RS&P 500,t–RS&P 500) |
|---|---|---|---|---|---|---|
| 1. | 30 avr. 2016 | -4.88% | 0.27% | 32.10 | 0.78 | 5.02 |
| 2. | 31 mai 2016 | -5.23% | 1.53% | 36.26 | 0.14 | -2.27 |
| 3. | 30 juin 2016 | -3.14% | 0.09% | 15.45 | 1.13 | 4.18 |
| 4. | 31 juil. 2016 | 4.00% | 3.56% | 10.32 | 5.79 | 7.73 |
| 5. | 31 août 2016 | 3.16% | -0.12% | 5.61 | 1.63 | -3.02 |
| 6. | 30 sept. 2016 | -6.76% | -0.12% | 57.03 | 1.63 | 9.66 |
| 7. | 31 oct. 2016 | -6.24% | -1.94% | 49.43 | 9.60 | 21.78 |
| 8. | 30 nov. 2016 | 10.86% | 3.42% | 101.40 | 5.12 | 22.78 |
| 9. | 31 déc. 2016 | -9.03% | 1.82% | 96.39 | 0.44 | -6.53 |
| 10. | 31 janv. 2017 | -0.71% | 1.79% | 2.26 | 0.40 | -0.95 |
| 11. | 28 févr. 2017 | 0.12% | 3.72% | 0.45 | 6.58 | -1.71 |
| 12. | 31 mars 2017 | -2.02% | -0.04% | 7.89 | 1.43 | 3.35 |
| 13. | 30 avr. 2017 | -1.80% | 0.91% | 6.71 | 0.06 | 0.64 |
| 14. | 31 mai 2017 | -11.20% | 1.16% | 143.78 | 0.00 | -0.03 |
| 15. | 30 juin 2017 | -11.22% | 0.48% | 144.21 | 0.45 | 8.09 |
| 16. | 31 juil. 2017 | -1.64% | 1.93% | 5.93 | 0.61 | -1.90 |
| 17. | 31 août 2017 | -7.73% | 0.05% | 72.54 | 1.21 | 9.37 |
| 18. | 30 sept. 2017 | -14.39% | 1.93% | 230.44 | 0.60 | -11.77 |
| 19. | 31 oct. 2017 | -15.21% | 2.22% | 256.06 | 1.13 | -17.02 |
| 20. | 30 nov. 2017 | 12.51% | 2.81% | 137.39 | 2.73 | 19.38 |
| 21. | 31 déc. 2017 | -1.12% | 0.98% | 3.64 | 0.03 | 0.33 |
| 22. | 31 janv. 2018 | 4.96% | 5.62% | 17.35 | 19.92 | 18.59 |
| 23. | 28 févr. 2018 | -7.11% | -3.89% | 62.36 | 25.50 | 39.88 |
| 24. | 31 mars 2018 | -1.40% | -2.69% | 4.80 | 14.77 | 8.42 |
| 25. | 30 avr. 2018 | -16.82% | 0.27% | 310.06 | 0.78 | 15.55 |
| 26. | 31 mai 2018 | 4.01% | 2.16% | 10.36 | 1.01 | 3.24 |
| 27. | 30 juin 2018 | 10.63% | 0.48% | 96.76 | 0.45 | -6.60 |
| 28. | 31 juil. 2018 | -6.02% | 3.60% | 46.40 | 5.99 | -16.67 |
| 29. | 31 août 2018 | -4.22% | 3.03% | 25.09 | 3.50 | -9.37 |
| 30. | 30 sept. 2018 | -15.50% | 0.43% | 265.27 | 0.53 | 11.82 |
| 31. | 31 oct. 2018 | -8.40% | -6.94% | 84.47 | 65.54 | 74.41 |
| 32. | 30 nov. 2018 | -6.26% | 1.79% | 49.70 | 0.40 | -4.45 |
| 33. | 31 déc. 2018 | -10.87% | -9.18% | 135.97 | 106.77 | 120.49 |
| 34. | 31 janv. 2019 | 33.30% | 7.87% | 1,057.09 | 45.07 | 218.27 |
| 35. | 28 févr. 2019 | 10.87% | 2.97% | 101.55 | 3.30 | 18.32 |
| 36. | 31 mars 2019 | 2.51% | 1.79% | 2.96 | 0.41 | 1.10 |
| 37. | 30 avr. 2019 | -1.65% | 3.93% | 5.95 | 7.71 | -6.77 |
| 38. | 31 mai 2019 | -24.06% | -6.58% | 617.45 | 59.80 | 192.15 |
| 39. | 30 juin 2019 | -7.09% | 6.89% | 62.14 | 32.92 | -45.23 |
| 40. | 31 juil. 2019 | -16.44% | 1.31% | 296.81 | 0.02 | -2.72 |
| 41. | 31 août 2019 | -0.41% | -1.81% | 1.45 | 8.79 | 3.57 |
| 42. | 30 sept. 2019 | 11.79% | 1.72% | 120.96 | 0.32 | 6.19 |
| 43. | 31 oct. 2019 | 28.76% | 2.04% | 782.23 | 0.79 | 24.84 |
| 44. | 30 nov. 2019 | 6.42% | 3.40% | 31.72 | 5.06 | 12.67 |
| 45. | 31 déc. 2019 | 19.82% | 2.86% | 362.17 | 2.90 | 32.43 |
| 46. | 31 janv. 2020 | -17.63% | -0.16% | 339.34 | 1.74 | 24.28 |
| 47. | 29 févr. 2020 | -24.14% | -8.41% | 621.57 | 91.51 | 238.50 |
| 48. | 31 mars 2020 | -59.48% | -12.51% | 3,632.83 | 186.79 | 823.75 |
| 49. | 30 avr. 2020 | 47.03% | 12.68% | 2,138.13 | 132.92 | 533.11 |
| 50. | 31 mai 2020 | 17.45% | 4.53% | 277.44 | 11.38 | 56.18 |
| 51. | 30 juin 2020 | 45.80% | 1.84% | 2,026.23 | 0.47 | 30.78 |
| 52. | 31 juil. 2020 | 2.08% | 5.51% | 1.65 | 18.97 | 5.59 |
| 53. | 31 août 2020 | 12.57% | 7.01% | 138.73 | 34.24 | 68.92 |
| 54. | 30 sept. 2020 | 22.99% | -3.92% | 492.73 | 25.79 | -112.72 |
| 55. | 31 oct. 2020 | 32.18% | -2.77% | 985.03 | 15.38 | -123.08 |
| 56. | 30 nov. 2020 | 5.86% | 10.75% | 25.68 | 92.15 | 48.65 |
| 57. | 31 déc. 2020 | -15.27% | 3.71% | 257.87 | 6.54 | -41.06 |
| 58. | 31 janv. 2021 | 98.93% | -1.11% | 9,631.30 | 5.15 | -222.66 |
| 59. | 28 févr. 2021 | -23.97% | 2.61% | 613.30 | 2.11 | -36.01 |
| 60. | 31 mars 2021 | 8.53% | 4.24% | 59.83 | 9.54 | 23.89 |
| 61. | 30 avr. 2021 | -13.14% | 5.24% | 194.04 | 16.71 | -56.94 |
| 62. | 31 mai 2021 | 10.55% | 0.55% | 95.14 | 0.37 | -5.92 |
| 63. | 30 juin 2021 | 18.94% | 2.22% | 329.22 | 1.14 | 19.35 |
| 64. | 31 juil. 2021 | -14.27% | 2.27% | 226.79 | 1.25 | -16.86 |
| 65. | 31 août 2021 | -3.50% | 2.90% | 18.45 | 3.04 | -7.49 |
| 66. | 30 sept. 2021 | -37.29% | -4.76% | 1,450.26 | 34.95 | 225.14 |
| 67. | 31 oct. 2021 | -18.70% | 6.91% | 380.01 | 33.17 | -112.27 |
| 68. | 30 nov. 2021 | 30.56% | -0.83% | 885.93 | 3.95 | -59.19 |
| 69. | 31 déc. 2021 | -20.46% | 4.36% | 451.53 | 10.28 | -68.13 |
| 70. | 31 janv. 2022 | 11.39% | -5.26% | 112.24 | 41.13 | -67.95 |
| 71. | 28 févr. 2022 | 4.00% | -3.14% | 10.31 | 18.41 | -13.78 |
| Total (Σ): | 31,361.94 | 1,252.81 | 1,931.29 | |||
Tout afficher
VarianceBBBY = Σ(RBBBY,t–RBBBY)2 ÷ (71 – 1)
= 31,361.94 ÷ (71 – 1)
= 448.03
VarianceS&P 500 = Σ(RS&P 500,t–RS&P 500)2 ÷ (71 – 1)
= 1,252.81 ÷ (71 – 1)
= 17.90
CovarianceBBBY, S&P 500 = Σ(RBBBY,t–RBBBY)×(RS&P 500,t–RS&P 500) ÷ (71 – 1)
= 1,931.29 ÷ (71 – 1)
= 27.59
Estimation systématique des risques (β)
| VarianceBBBY | 448.03 |
| VarianceS&P 500 | 17.90 |
| CovarianceBBBY, S&P 500 | 27.59 |
| Coefficient de corrélationBBBY, S&P 5001 | 0.31 |
| βBBBY2 | 1.54 |
| αBBBY3 | -0.99% |
Calculs
1 Coefficient de corrélationBBBY, S&P 500
= CovarianceBBBY, S&P 500 ÷ (Écart typeBBBY × Écart typeS&P 500)
= 27.59 ÷ (21.17% × 4.23%)
= 0.31
2 βBBBY
= CovarianceBBBY, S&P 500 ÷ VarianceS&P 500
= 27.59 ÷ 17.90
= 1.54
3 αBBBY
= MoyenneBBBY – βBBBY × MoyenneS&P 500
= 0.79% – 1.54 × 1.16%
= -0.99%
Taux de rendement attendu
| Hypothèses | ||
| Taux de rendement de LT Treasury Composite1 | RF | 4.70% |
| Taux de rendement attendu du portefeuille de marché2 | E(RM) | 14.98% |
| Risque systématique des actions Bed Bath & Beyond ordinaires | βBBBY | 1.54 |
| Taux de rendement attendu sur les actions ordinaires de Bed Bath & Beyond3 | E(RBBBY) | 20.55% |
1 Moyenne non pondérée des rendements des offres sur tous les bons du Trésor américain à coupon fixe en circulation qui ne sont ni échus ni remboursables par anticipation dans moins de 10 ans (indicateur du taux de rendement sans risque).
3 E(RBBBY) = RF + βBBBY [E(RM) – RF]
= 4.70% + 1.54 [14.98% – 4.70%]
= 20.55%