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 Dell Technologies.
Taux de rendement
Dell Technologies Inc., taux de rendement mensuels
| Dell Technologies Inc. (DELL) | Standard & Poor’s 500 (S&P 500) | |||||
|---|---|---|---|---|---|---|
| t | Date | PrixDELL,t1 | DividendeDELL,t1 | RDELL,t2 | PrixS&P 500,t | RS&P 500,t3 |
| 28 févr. 2019 | $55.82 | 2,784.49 | ||||
| 1. | 31 mars 2019 | $58.69 | 5.14% | 2,834.40 | 1.79% | |
| 2. | 30 avr. 2019 | $67.41 | 14.86% | 2,945.83 | 3.93% | |
| 3. | 31 mai 2019 | $59.55 | -11.66% | 2,752.06 | -6.58% | |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| 70. | 31 déc. 2024 | $115.24 | -9.68% | 5,881.63 | -2.50% | |
| 71. | 31 janv. 2025 | $103.60 | $0.445 | -9.71% | 6,040.53 | 2.70% |
| Moyenne (R): | 2.38% | 1.22% | ||||
| Écart type: | 9.43% | 4.99% | ||||
| Dell Technologies Inc. (DELL) | Standard & Poor’s 500 (S&P 500) | |||||
|---|---|---|---|---|---|---|
| t | Date | PrixDELL,t1 | DividendeDELL,t1 | RDELL,t2 | PrixS&P 500,t | RS&P 500,t3 |
| 28 févr. 2019 | $55.82 | 2,784.49 | ||||
| 1. | 31 mars 2019 | $58.69 | 5.14% | 2,834.40 | 1.79% | |
| 2. | 30 avr. 2019 | $67.41 | 14.86% | 2,945.83 | 3.93% | |
| 3. | 31 mai 2019 | $59.55 | -11.66% | 2,752.06 | -6.58% | |
| 4. | 30 juin 2019 | $50.80 | -14.69% | 2,941.76 | 6.89% | |
| 5. | 31 juil. 2019 | $57.74 | 13.66% | 2,980.38 | 1.31% | |
| 6. | 31 août 2019 | $51.53 | -10.76% | 2,926.46 | -1.81% | |
| 7. | 30 sept. 2019 | $51.86 | 0.64% | 2,976.74 | 1.72% | |
| 8. | 31 oct. 2019 | $52.89 | 1.99% | 3,037.56 | 2.04% | |
| 9. | 30 nov. 2019 | $48.49 | -8.32% | 3,140.98 | 3.40% | |
| 10. | 31 déc. 2019 | $51.39 | 5.98% | 3,230.78 | 2.86% | |
| 11. | 31 janv. 2020 | $48.77 | -5.10% | 3,225.52 | -0.16% | |
| 12. | 29 févr. 2020 | $40.46 | -17.04% | 2,954.22 | -8.41% | |
| 13. | 31 mars 2020 | $39.55 | -2.25% | 2,584.59 | -12.51% | |
| 14. | 30 avr. 2020 | $42.69 | 7.94% | 2,912.43 | 12.68% | |
| 15. | 31 mai 2020 | $49.64 | 16.28% | 3,044.31 | 4.53% | |
| 16. | 30 juin 2020 | $54.94 | 10.68% | 3,100.29 | 1.84% | |
| 17. | 31 juil. 2020 | $59.83 | 8.90% | 3,271.12 | 5.51% | |
| 18. | 31 août 2020 | $66.08 | 10.45% | 3,500.31 | 7.01% | |
| 19. | 30 sept. 2020 | $67.69 | 2.44% | 3,363.00 | -3.92% | |
| 20. | 31 oct. 2020 | $60.26 | -10.98% | 3,269.96 | -2.77% | |
| 21. | 30 nov. 2020 | $69.03 | 14.55% | 3,621.63 | 10.75% | |
| 22. | 31 déc. 2020 | $73.29 | 6.17% | 3,756.07 | 3.71% | |
| 23. | 31 janv. 2021 | $72.89 | -0.55% | 3,714.24 | -1.11% | |
| 24. | 28 févr. 2021 | $81.07 | 11.22% | 3,811.15 | 2.61% | |
| 25. | 31 mars 2021 | $88.15 | 8.73% | 3,972.89 | 4.24% | |
| 26. | 30 avr. 2021 | $98.33 | 11.55% | 4,181.17 | 5.24% | |
| 27. | 31 mai 2021 | $98.64 | 0.32% | 4,204.11 | 0.55% | |
| 28. | 30 juin 2021 | $99.67 | 1.04% | 4,297.50 | 2.22% | |
| 29. | 31 juil. 2021 | $96.62 | -3.06% | 4,395.26 | 2.27% | |
| 30. | 31 août 2021 | $97.46 | 0.87% | 4,522.68 | 2.90% | |
| 31. | 30 sept. 2021 | $104.04 | 6.75% | 4,307.54 | -4.76% | |
| 32. | 31 oct. 2021 | $109.99 | 5.72% | 4,605.38 | 6.91% | |
| 33. | 30 nov. 2021 | $56.47 | $54.85 | 1.21% | 4,567.00 | -0.83% |
| 34. | 31 déc. 2021 | $56.17 | -0.53% | 4,766.18 | 4.36% | |
| 35. | 31 janv. 2022 | $56.81 | 1.14% | 4,515.55 | -5.26% | |
| 36. | 28 févr. 2022 | $50.96 | -10.30% | 4,373.94 | -3.14% | |
| 37. | 31 mars 2022 | $50.19 | -1.51% | 4,530.41 | 3.58% | |
| 38. | 30 avr. 2022 | $47.01 | $0.33 | -5.68% | 4,131.93 | -8.80% |
| 39. | 31 mai 2022 | $49.94 | 6.23% | 4,132.15 | 0.01% | |
| 40. | 30 juin 2022 | $46.21 | -7.47% | 3,785.38 | -8.39% | |
| 41. | 31 juil. 2022 | $45.06 | $0.33 | -1.77% | 4,130.29 | 9.11% |
| 42. | 31 août 2022 | $38.29 | -15.02% | 3,955.00 | -4.24% | |
| 43. | 30 sept. 2022 | $34.17 | -10.76% | 3,585.62 | -9.34% | |
| 44. | 31 oct. 2022 | $38.40 | $0.33 | 13.35% | 3,871.98 | 7.99% |
| 45. | 30 nov. 2022 | $44.79 | 16.64% | 4,080.11 | 5.38% | |
| 46. | 31 déc. 2022 | $40.22 | -10.20% | 3,839.50 | -5.90% | |
| 47. | 31 janv. 2023 | $40.62 | $0.33 | 1.82% | 4,076.60 | 6.18% |
| 48. | 28 févr. 2023 | $40.64 | 0.05% | 3,970.15 | -2.61% | |
| 49. | 31 mars 2023 | $40.21 | -1.06% | 4,109.31 | 3.51% | |
| 50. | 30 avr. 2023 | $43.49 | $0.37 | 9.08% | 4,169.48 | 1.46% |
| 51. | 31 mai 2023 | $44.81 | 3.04% | 4,179.83 | 0.25% | |
| 52. | 30 juin 2023 | $54.11 | 20.75% | 4,376.86 | 4.71% | |
| 53. | 31 juil. 2023 | $52.92 | $0.37 | -1.52% | 4,588.96 | 4.85% |
| 54. | 31 août 2023 | $56.24 | 6.27% | 4,507.66 | -1.77% | |
| 55. | 30 sept. 2023 | $68.90 | 22.51% | 4,288.05 | -4.87% | |
| 56. | 31 oct. 2023 | $66.91 | $0.37 | -2.35% | 4,193.80 | -2.20% |
| 57. | 30 nov. 2023 | $75.87 | 13.39% | 4,567.80 | 8.92% | |
| 58. | 31 déc. 2023 | $76.50 | 0.83% | 4,769.83 | 4.42% | |
| 59. | 31 janv. 2024 | $82.88 | $0.37 | 8.82% | 4,845.65 | 1.59% |
| 60. | 29 févr. 2024 | $94.66 | 14.21% | 5,096.27 | 5.17% | |
| 61. | 31 mars 2024 | $114.11 | 20.55% | 5,254.35 | 3.10% | |
| 62. | 30 avr. 2024 | $124.64 | $0.445 | 9.62% | 5,035.69 | -4.16% |
| 63. | 31 mai 2024 | $139.56 | 11.97% | 5,277.51 | 4.80% | |
| 64. | 30 juin 2024 | $137.91 | -1.18% | 5,460.48 | 3.47% | |
| 65. | 31 juil. 2024 | $113.68 | $0.445 | -17.25% | 5,522.30 | 1.13% |
| 66. | 31 août 2024 | $115.54 | 1.64% | 5,648.40 | 2.28% | |
| 67. | 30 sept. 2024 | $118.54 | 2.60% | 5,762.48 | 2.02% | |
| 68. | 31 oct. 2024 | $123.63 | $0.445 | 4.67% | 5,705.45 | -0.99% |
| 69. | 30 nov. 2024 | $127.59 | 3.20% | 6,032.38 | 5.73% | |
| 70. | 31 déc. 2024 | $115.24 | -9.68% | 5,881.63 | -2.50% | |
| 71. | 31 janv. 2025 | $103.60 | $0.445 | -9.71% | 6,040.53 | 2.70% |
| Moyenne (R): | 2.38% | 1.22% | ||||
| Écart type: | 9.43% | 4.99% | ||||
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 DELL 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
Dell Technologies Inc., calcul de la variance et de la covariance des rendements
| t | Date | RDELL,t | RS&P 500,t | (RDELL,t–RDELL)2 | (RS&P 500,t–RS&P 500)2 | (RDELL,t–RDELL)×(RS&P 500,t–RS&P 500) |
|---|---|---|---|---|---|---|
| 1. | 31 mars 2019 | 5.14% | 1.79% | 7.62 | 0.33 | 1.58 |
| 2. | 30 avr. 2019 | 14.86% | 3.93% | 155.66 | 7.35 | 33.83 |
| 3. | 31 mai 2019 | -11.66% | -6.58% | 197.15 | 60.81 | 109.49 |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| 70. | 31 déc. 2024 | -9.68% | -2.50% | 145.46 | 13.83 | 44.85 |
| 71. | 31 janv. 2025 | -9.71% | 2.70% | 146.31 | 2.20 | -17.92 |
| Total (Σ): | 6,230.65 | 1,741.16 | 1,509.56 | |||
| t | Date | RDELL,t | RS&P 500,t | (RDELL,t–RDELL)2 | (RS&P 500,t–RS&P 500)2 | (RDELL,t–RDELL)×(RS&P 500,t–RS&P 500) |
|---|---|---|---|---|---|---|
| 1. | 31 mars 2019 | 5.14% | 1.79% | 7.62 | 0.33 | 1.58 |
| 2. | 30 avr. 2019 | 14.86% | 3.93% | 155.66 | 7.35 | 33.83 |
| 3. | 31 mai 2019 | -11.66% | -6.58% | 197.15 | 60.81 | 109.49 |
| 4. | 30 juin 2019 | -14.69% | 6.89% | 291.55 | 32.18 | -96.86 |
| 5. | 31 juil. 2019 | 13.66% | 1.31% | 127.24 | 0.01 | 1.05 |
| 6. | 31 août 2019 | -10.76% | -1.81% | 172.56 | 9.18 | 39.79 |
| 7. | 30 sept. 2019 | 0.64% | 1.72% | 3.03 | 0.25 | -0.87 |
| 8. | 31 oct. 2019 | 1.99% | 2.04% | 0.16 | 0.68 | -0.33 |
| 9. | 30 nov. 2019 | -8.32% | 3.40% | 114.50 | 4.77 | -23.38 |
| 10. | 31 déc. 2019 | 5.98% | 2.86% | 12.96 | 2.69 | 5.90 |
| 11. | 31 janv. 2020 | -5.10% | -0.16% | 55.94 | 1.91 | 10.34 |
| 12. | 29 févr. 2020 | -17.04% | -8.41% | 377.15 | 92.76 | 187.04 |
| 13. | 31 mars 2020 | -2.25% | -12.51% | 21.44 | 188.57 | 63.58 |
| 14. | 30 avr. 2020 | 7.94% | 12.68% | 30.89 | 131.43 | 63.72 |
| 15. | 31 mai 2020 | 16.28% | 4.53% | 193.18 | 10.94 | 45.98 |
| 16. | 30 juin 2020 | 10.68% | 1.84% | 68.82 | 0.38 | 5.13 |
| 17. | 31 juil. 2020 | 8.90% | 5.51% | 42.50 | 18.41 | 27.97 |
| 18. | 31 août 2020 | 10.45% | 7.01% | 65.05 | 33.48 | 46.67 |
| 19. | 30 sept. 2020 | 2.44% | -3.92% | 0.00 | 26.45 | -0.28 |
| 20. | 31 oct. 2020 | -10.98% | -2.77% | 178.43 | 15.89 | 53.25 |
| 21. | 30 nov. 2020 | 14.55% | 10.75% | 148.17 | 90.91 | 116.06 |
| 22. | 31 déc. 2020 | 6.17% | 3.71% | 14.36 | 6.21 | 9.45 |
| 23. | 31 janv. 2021 | -0.55% | -1.11% | 8.57 | 5.45 | 6.83 |
| 24. | 28 févr. 2021 | 11.22% | 2.61% | 78.17 | 1.93 | 12.28 |
| 25. | 31 mars 2021 | 8.73% | 4.24% | 40.35 | 9.14 | 19.21 |
| 26. | 30 avr. 2021 | 11.55% | 5.24% | 84.04 | 16.18 | 36.88 |
| 27. | 31 mai 2021 | 0.32% | 0.55% | 4.27 | 0.45 | 1.39 |
| 28. | 30 juin 2021 | 1.04% | 2.22% | 1.79 | 1.00 | -1.34 |
| 29. | 31 juil. 2021 | -3.06% | 2.27% | 29.61 | 1.11 | -5.74 |
| 30. | 31 août 2021 | 0.87% | 2.90% | 2.29 | 2.82 | -2.54 |
| 31. | 30 sept. 2021 | 6.75% | -4.76% | 19.10 | 35.72 | -26.12 |
| 32. | 31 oct. 2021 | 5.72% | 6.91% | 11.14 | 32.43 | 19.01 |
| 33. | 30 nov. 2021 | 1.21% | -0.83% | 1.37 | 4.22 | 2.41 |
| 34. | 31 déc. 2021 | -0.53% | 4.36% | 8.48 | 9.87 | -9.15 |
| 35. | 31 janv. 2022 | 1.14% | -5.26% | 1.54 | 41.97 | 8.04 |
| 36. | 28 févr. 2022 | -10.30% | -3.14% | 160.75 | 18.98 | 55.23 |
| 37. | 31 mars 2022 | -1.51% | 3.58% | 15.15 | 5.56 | -9.18 |
| 38. | 30 avr. 2022 | -5.68% | -8.80% | 64.96 | 100.31 | 80.72 |
| 39. | 31 mai 2022 | 6.23% | 0.01% | 14.83 | 1.48 | -4.68 |
| 40. | 30 juin 2022 | -7.47% | -8.39% | 97.03 | 92.39 | 94.68 |
| 41. | 31 juil. 2022 | -1.77% | 9.11% | 17.27 | 62.28 | -32.80 |
| 42. | 31 août 2022 | -15.02% | -4.24% | 302.95 | 29.86 | 95.10 |
| 43. | 30 sept. 2022 | -10.76% | -9.34% | 172.69 | 111.50 | 138.77 |
| 44. | 31 oct. 2022 | 13.35% | 7.99% | 120.21 | 45.78 | 74.19 |
| 45. | 30 nov. 2022 | 16.64% | 5.38% | 203.33 | 17.27 | 59.25 |
| 46. | 31 déc. 2022 | -10.20% | -5.90% | 158.37 | 50.65 | 89.56 |
| 47. | 31 janv. 2023 | 1.82% | 6.18% | 0.32 | 24.55 | -2.81 |
| 48. | 28 févr. 2023 | 0.05% | -2.61% | 5.44 | 14.68 | 8.93 |
| 49. | 31 mars 2023 | -1.06% | 3.51% | 11.83 | 5.22 | -7.86 |
| 50. | 30 avr. 2023 | 9.08% | 1.46% | 44.84 | 0.06 | 1.64 |
| 51. | 31 mai 2023 | 3.04% | 0.25% | 0.43 | 0.94 | -0.64 |
| 52. | 30 juin 2023 | 20.75% | 4.71% | 337.57 | 12.21 | 64.19 |
| 53. | 31 juil. 2023 | -1.52% | 4.85% | 15.18 | 13.15 | -14.13 |
| 54. | 31 août 2023 | 6.27% | -1.77% | 15.15 | 8.95 | -11.64 |
| 55. | 30 sept. 2023 | 22.51% | -4.87% | 405.20 | 37.11 | -122.63 |
| 56. | 31 oct. 2023 | -2.35% | -2.20% | 22.40 | 11.68 | 16.18 |
| 57. | 30 nov. 2023 | 13.39% | 8.92% | 121.22 | 59.26 | 84.75 |
| 58. | 31 déc. 2023 | 0.83% | 4.42% | 2.41 | 10.26 | -4.97 |
| 59. | 31 janv. 2024 | 8.82% | 1.59% | 41.50 | 0.14 | 2.38 |
| 60. | 29 févr. 2024 | 14.21% | 5.17% | 140.00 | 15.62 | 46.76 |
| 61. | 31 mars 2024 | 20.55% | 3.10% | 330.01 | 3.54 | 34.19 |
| 62. | 30 avr. 2024 | 9.62% | -4.16% | 52.37 | 28.96 | -38.94 |
| 63. | 31 mai 2024 | 11.97% | 4.80% | 91.95 | 12.83 | 34.35 |
| 64. | 30 juin 2024 | -1.18% | 3.47% | 12.70 | 5.05 | -8.01 |
| 65. | 31 juil. 2024 | -17.25% | 1.13% | 385.26 | 0.01 | 1.73 |
| 66. | 31 août 2024 | 1.64% | 2.28% | 0.56 | 1.13 | -0.79 |
| 67. | 30 sept. 2024 | 2.60% | 2.02% | 0.05 | 0.64 | 0.17 |
| 68. | 31 oct. 2024 | 4.67% | -0.99% | 5.24 | 4.88 | -5.06 |
| 69. | 30 nov. 2024 | 3.20% | 5.73% | 0.68 | 20.34 | 3.71 |
| 70. | 31 déc. 2024 | -9.68% | -2.50% | 145.46 | 13.83 | 44.85 |
| 71. | 31 janv. 2025 | -9.71% | 2.70% | 146.31 | 2.20 | -17.92 |
| Total (Σ): | 6,230.65 | 1,741.16 | 1,509.56 | |||
Tout afficher
VarianceDELL = Σ(RDELL,t–RDELL)2 ÷ (71 – 1)
= 6,230.65 ÷ (71 – 1)
= 89.01
VarianceS&P 500 = Σ(RS&P 500,t–RS&P 500)2 ÷ (71 – 1)
= 1,741.16 ÷ (71 – 1)
= 24.87
CovarianceDELL, S&P 500 = Σ(RDELL,t–RDELL)×(RS&P 500,t–RS&P 500) ÷ (71 – 1)
= 1,509.56 ÷ (71 – 1)
= 21.57
Estimation systématique des risques (β)
| VarianceDELL | 89.01 |
| VarianceS&P 500 | 24.87 |
| CovarianceDELL, S&P 500 | 21.57 |
| Coefficient de corrélationDELL, S&P 5001 | 0.46 |
| βDELL2 | 0.87 |
| αDELL3 | 1.32% |
Calculs
1 Coefficient de corrélationDELL, S&P 500
= CovarianceDELL, S&P 500 ÷ (Écart typeDELL × Écart typeS&P 500)
= 21.57 ÷ (9.43% × 4.99%)
= 0.46
2 βDELL
= CovarianceDELL, S&P 500 ÷ VarianceS&P 500
= 21.57 ÷ 24.87
= 0.87
3 αDELL
= MoyenneDELL – βDELL × MoyenneS&P 500
= 2.38% – 0.87 × 1.22%
= 1.32%
Taux de rendement attendu
| Hypothèses | ||
| Taux de rendement de LT Treasury Composite1 | RF | 4.68% |
| Taux de rendement attendu du portefeuille de marché2 | E(RM) | 14.92% |
| Risque systématique des actions Dell Technologies ordinaires | βDELL | 0.87 |
| Taux de rendement attendu des actions ordinaires de Dell Technologies3 | E(RDELL) | 13.56% |
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(RDELL) = RF + βDELL [E(RM) – RF]
= 4.68% + 0.87 [14.92% – 4.68%]
= 13.56%