Le modèle d’évaluation des immobilisations (MEDAF) indique quel devrait être le taux de rendement attendu ou requis pour les actifs risqués tels que les actions ordinaires de AMD.
Taux de rendement
| Advanced Micro Devices Inc. (AMD) | Standard & Poor’s 500 (S&P 500) | |||||
|---|---|---|---|---|---|---|
| t | Date | PrixAMD,t1 | DividendeAMD,t1 | RAMD,t2 | PrixS&P 500,t | RS&P 500,t3 |
| 31 janv. 2021 | $85.64 | 3,714.24 | ||||
| 1. | 28 févr. 2021 | $84.51 | -1.32% | 3,811.15 | 2.61% | |
| 2. | 31 mars 2021 | $78.50 | -7.11% | 3,972.89 | 4.24% | |
| 3. | 30 avr. 2021 | $81.62 | 3.97% | 4,181.17 | 5.24% | |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| 58. | 30 nov. 2025 | $217.53 | -15.07% | 6,849.09 | 0.13% | |
| 59. | 31 déc. 2025 | $214.16 | -1.55% | 6,845.50 | -0.05% | |
| Moyenne (R): | 2.81% | 1.14% | ||||
| Écart type: | 16.53% | 4.37% | ||||
| Advanced Micro Devices Inc. (AMD) | Standard & Poor’s 500 (S&P 500) | |||||
|---|---|---|---|---|---|---|
| t | Date | PrixAMD,t1 | DividendeAMD,t1 | RAMD,t2 | PrixS&P 500,t | RS&P 500,t3 |
| 31 janv. 2021 | $85.64 | 3,714.24 | ||||
| 1. | 28 févr. 2021 | $84.51 | -1.32% | 3,811.15 | 2.61% | |
| 2. | 31 mars 2021 | $78.50 | -7.11% | 3,972.89 | 4.24% | |
| 3. | 30 avr. 2021 | $81.62 | 3.97% | 4,181.17 | 5.24% | |
| 4. | 31 mai 2021 | $80.08 | -1.89% | 4,204.11 | 0.55% | |
| 5. | 30 juin 2021 | $93.93 | 17.30% | 4,297.50 | 2.22% | |
| 6. | 31 juil. 2021 | $106.19 | 13.05% | 4,395.26 | 2.27% | |
| 7. | 31 août 2021 | $110.72 | 4.27% | 4,522.68 | 2.90% | |
| 8. | 30 sept. 2021 | $102.90 | -7.06% | 4,307.54 | -4.76% | |
| 9. | 31 oct. 2021 | $120.23 | 16.84% | 4,605.38 | 6.91% | |
| 10. | 30 nov. 2021 | $158.37 | 31.72% | 4,567.00 | -0.83% | |
| 11. | 31 déc. 2021 | $143.90 | -9.14% | 4,766.18 | 4.36% | |
| 12. | 31 janv. 2022 | $114.25 | -20.60% | 4,515.55 | -5.26% | |
| 13. | 28 févr. 2022 | $123.34 | 7.96% | 4,373.94 | -3.14% | |
| 14. | 31 mars 2022 | $109.34 | -11.35% | 4,530.41 | 3.58% | |
| 15. | 30 avr. 2022 | $85.52 | -21.79% | 4,131.93 | -8.80% | |
| 16. | 31 mai 2022 | $101.86 | 19.11% | 4,132.15 | 0.01% | |
| 17. | 30 juin 2022 | $76.47 | -24.93% | 3,785.38 | -8.39% | |
| 18. | 31 juil. 2022 | $94.47 | 23.54% | 4,130.29 | 9.11% | |
| 19. | 31 août 2022 | $84.87 | -10.16% | 3,955.00 | -4.24% | |
| 20. | 30 sept. 2022 | $63.36 | -25.34% | 3,585.62 | -9.34% | |
| 21. | 31 oct. 2022 | $60.06 | -5.21% | 3,871.98 | 7.99% | |
| 22. | 30 nov. 2022 | $77.63 | 29.25% | 4,080.11 | 5.38% | |
| 23. | 31 déc. 2022 | $64.77 | -16.57% | 3,839.50 | -5.90% | |
| 24. | 31 janv. 2023 | $75.15 | 16.03% | 4,076.60 | 6.18% | |
| 25. | 28 févr. 2023 | $78.58 | 4.56% | 3,970.15 | -2.61% | |
| 26. | 31 mars 2023 | $98.01 | 24.73% | 4,109.31 | 3.51% | |
| 27. | 30 avr. 2023 | $89.37 | -8.82% | 4,169.48 | 1.46% | |
| 28. | 31 mai 2023 | $118.21 | 32.27% | 4,179.83 | 0.25% | |
| 29. | 30 juin 2023 | $113.91 | -3.64% | 4,376.86 | 4.71% | |
| 30. | 31 juil. 2023 | $114.40 | 0.43% | 4,588.96 | 4.85% | |
| 31. | 31 août 2023 | $105.72 | -7.59% | 4,507.66 | -1.77% | |
| 32. | 30 sept. 2023 | $102.82 | -2.74% | 4,288.05 | -4.87% | |
| 33. | 31 oct. 2023 | $98.50 | -4.20% | 4,193.80 | -2.20% | |
| 34. | 30 nov. 2023 | $121.16 | 23.01% | 4,567.80 | 8.92% | |
| 35. | 31 déc. 2023 | $147.41 | 21.67% | 4,769.83 | 4.42% | |
| 36. | 31 janv. 2024 | $167.69 | 13.76% | 4,845.65 | 1.59% | |
| 37. | 29 févr. 2024 | $192.53 | 14.81% | 5,096.27 | 5.17% | |
| 38. | 31 mars 2024 | $180.49 | -6.25% | 5,254.35 | 3.10% | |
| 39. | 30 avr. 2024 | $158.38 | -12.25% | 5,035.69 | -4.16% | |
| 40. | 31 mai 2024 | $166.90 | 5.38% | 5,277.51 | 4.80% | |
| 41. | 30 juin 2024 | $162.21 | -2.81% | 5,460.48 | 3.47% | |
| 42. | 31 juil. 2024 | $144.48 | -10.93% | 5,522.30 | 1.13% | |
| 43. | 31 août 2024 | $148.56 | 2.82% | 5,648.40 | 2.28% | |
| 44. | 30 sept. 2024 | $164.08 | 10.45% | 5,762.48 | 2.02% | |
| 45. | 31 oct. 2024 | $144.07 | -12.20% | 5,705.45 | -0.99% | |
| 46. | 30 nov. 2024 | $137.18 | -4.78% | 6,032.38 | 5.73% | |
| 47. | 31 déc. 2024 | $120.79 | -11.95% | 5,881.63 | -2.50% | |
| 48. | 31 janv. 2025 | $115.95 | -4.01% | 6,040.53 | 2.70% | |
| 49. | 28 févr. 2025 | $99.86 | -13.88% | 5,954.50 | -1.42% | |
| 50. | 31 mars 2025 | $102.74 | 2.88% | 5,611.85 | -5.75% | |
| 51. | 30 avr. 2025 | $97.35 | -5.25% | 5,569.06 | -0.76% | |
| 52. | 31 mai 2025 | $110.73 | 13.74% | 5,911.69 | 6.15% | |
| 53. | 30 juin 2025 | $141.90 | 28.15% | 6,204.95 | 4.96% | |
| 54. | 31 juil. 2025 | $176.31 | 24.25% | 6,339.39 | 2.17% | |
| 55. | 31 août 2025 | $162.63 | -7.76% | 6,460.26 | 1.91% | |
| 56. | 30 sept. 2025 | $161.79 | -0.52% | 6,688.46 | 3.53% | |
| 57. | 31 oct. 2025 | $256.12 | 58.30% | 6,840.20 | 2.27% | |
| 58. | 30 nov. 2025 | $217.53 | -15.07% | 6,849.09 | 0.13% | |
| 59. | 31 déc. 2025 | $214.16 | -1.55% | 6,845.50 | -0.05% | |
| Moyenne (R): | 2.81% | 1.14% | ||||
| Écart type: | 16.53% | 4.37% | ||||
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 d’AMD 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
| t | Date | RAMD,t | RS&P 500,t | (RAMD,t–RAMD)2 | (RS&P 500,t–RS&P 500)2 | (RAMD,t–RAMD)×(RS&P 500,t–RS&P 500) |
|---|---|---|---|---|---|---|
| 1. | 28 févr. 2021 | -1.32% | 2.61% | 17.03 | 2.17 | -6.08 |
| 2. | 31 mars 2021 | -7.11% | 4.24% | 98.38 | 9.66 | -30.82 |
| 3. | 30 avr. 2021 | 3.97% | 5.24% | 1.36 | 16.86 | 4.79 |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| 58. | 30 nov. 2025 | -15.07% | 0.13% | 319.48 | 1.01 | 17.98 |
| 59. | 31 déc. 2025 | -1.55% | -0.05% | 18.98 | 1.41 | 5.18 |
| Total (Σ): | 15,844.16 | 1,108.23 | 2,167.11 | |||
| t | Date | RAMD,t | RS&P 500,t | (RAMD,t–RAMD)2 | (RS&P 500,t–RS&P 500)2 | (RAMD,t–RAMD)×(RS&P 500,t–RS&P 500) |
|---|---|---|---|---|---|---|
| 1. | 28 févr. 2021 | -1.32% | 2.61% | 17.03 | 2.17 | -6.08 |
| 2. | 31 mars 2021 | -7.11% | 4.24% | 98.38 | 9.66 | -30.82 |
| 3. | 30 avr. 2021 | 3.97% | 5.24% | 1.36 | 16.86 | 4.79 |
| 4. | 31 mai 2021 | -1.89% | 0.55% | 22.03 | 0.35 | 2.76 |
| 5. | 30 juin 2021 | 17.30% | 2.22% | 209.91 | 1.18 | 15.72 |
| 6. | 31 juil. 2021 | 13.05% | 2.27% | 104.97 | 1.30 | 11.67 |
| 7. | 31 août 2021 | 4.27% | 2.90% | 2.13 | 3.11 | 2.57 |
| 8. | 30 sept. 2021 | -7.06% | -4.76% | 97.41 | 34.73 | 58.16 |
| 9. | 31 oct. 2021 | 16.84% | 6.91% | 196.97 | 33.39 | 81.10 |
| 10. | 30 nov. 2021 | 31.72% | -0.83% | 836.11 | 3.88 | -56.95 |
| 11. | 31 déc. 2021 | -9.14% | 4.36% | 142.65 | 10.40 | -38.52 |
| 12. | 31 janv. 2022 | -20.60% | -5.26% | 548.10 | 40.89 | 149.71 |
| 13. | 28 févr. 2022 | 7.96% | -3.14% | 26.52 | 18.25 | -22.00 |
| 14. | 31 mars 2022 | -11.35% | 3.58% | 200.44 | 5.96 | -34.56 |
| 15. | 30 avr. 2022 | -21.79% | -8.80% | 604.77 | 98.64 | 244.24 |
| 16. | 31 mai 2022 | 19.11% | 0.01% | 265.68 | 1.28 | -18.43 |
| 17. | 30 juin 2022 | -24.93% | -8.39% | 769.13 | 90.79 | 264.25 |
| 18. | 31 juil. 2022 | 23.54% | 9.11% | 429.81 | 63.61 | 165.35 |
| 19. | 31 août 2022 | -10.16% | -4.24% | 168.19 | 28.95 | 69.77 |
| 20. | 30 sept. 2022 | -25.34% | -9.34% | 792.51 | 109.74 | 294.91 |
| 21. | 31 oct. 2022 | -5.21% | 7.99% | 64.24 | 46.93 | -54.91 |
| 22. | 30 nov. 2022 | 29.25% | 5.38% | 699.45 | 17.97 | 112.11 |
| 23. | 31 déc. 2022 | -16.57% | -5.90% | 375.30 | 49.47 | 136.25 |
| 24. | 31 janv. 2023 | 16.03% | 6.18% | 174.74 | 25.39 | 66.61 |
| 25. | 28 févr. 2023 | 4.56% | -2.61% | 3.09 | 14.04 | -6.59 |
| 26. | 31 mars 2023 | 24.73% | 3.51% | 480.46 | 5.61 | 51.93 |
| 27. | 30 avr. 2023 | -8.82% | 1.46% | 135.08 | 0.11 | -3.81 |
| 28. | 31 mai 2023 | 32.27% | 0.25% | 868.10 | 0.79 | -26.16 |
| 29. | 30 juin 2023 | -3.64% | 4.71% | 41.53 | 12.80 | -23.06 |
| 30. | 31 juil. 2023 | 0.43% | 4.85% | 5.65 | 13.76 | -8.82 |
| 31. | 31 août 2023 | -7.59% | -1.77% | 108.04 | 8.46 | 30.22 |
| 32. | 30 sept. 2023 | -2.74% | -4.87% | 30.80 | 36.10 | 33.34 |
| 33. | 31 oct. 2023 | -4.20% | -2.20% | 49.12 | 11.12 | 23.37 |
| 34. | 30 nov. 2023 | 23.01% | 8.92% | 407.97 | 60.56 | 157.18 |
| 35. | 31 déc. 2023 | 21.67% | 4.42% | 355.65 | 10.80 | 61.98 |
| 36. | 31 janv. 2024 | 13.76% | 1.59% | 119.92 | 0.21 | 4.97 |
| 37. | 29 févr. 2024 | 14.81% | 5.17% | 144.15 | 16.29 | 48.46 |
| 38. | 31 mars 2024 | -6.25% | 3.10% | 82.09 | 3.86 | -17.81 |
| 39. | 30 avr. 2024 | -12.25% | -4.16% | 226.71 | 28.06 | 79.77 |
| 40. | 31 mai 2024 | 5.38% | 4.80% | 6.62 | 13.44 | 9.43 |
| 41. | 30 juin 2024 | -2.81% | 3.47% | 31.55 | 5.43 | -13.09 |
| 42. | 31 juil. 2024 | -10.93% | 1.13% | 188.71 | 0.00 | 0.05 |
| 43. | 31 août 2024 | 2.82% | 2.28% | 0.00 | 1.32 | 0.02 |
| 44. | 30 sept. 2024 | 10.45% | 2.02% | 58.37 | 0.78 | 6.75 |
| 45. | 31 oct. 2024 | -12.20% | -0.99% | 225.06 | 4.52 | 31.89 |
| 46. | 30 nov. 2024 | -4.78% | 5.73% | 57.60 | 21.10 | -34.87 |
| 47. | 31 déc. 2024 | -11.95% | -2.50% | 217.70 | 13.21 | 53.64 |
| 48. | 31 janv. 2025 | -4.01% | 2.70% | 46.43 | 2.45 | -10.67 |
| 49. | 28 févr. 2025 | -13.88% | -1.42% | 278.34 | 6.56 | 42.72 |
| 50. | 31 mars 2025 | 2.88% | -5.75% | 0.01 | 47.48 | -0.53 |
| 51. | 30 avr. 2025 | -5.25% | -0.76% | 64.85 | 3.60 | 15.29 |
| 52. | 31 mai 2025 | 13.74% | 6.15% | 119.63 | 25.16 | 54.86 |
| 53. | 30 juin 2025 | 28.15% | 4.96% | 642.25 | 14.63 | 96.92 |
| 54. | 31 juil. 2025 | 24.25% | 2.17% | 459.78 | 1.06 | 22.10 |
| 55. | 31 août 2025 | -7.76% | 1.91% | 111.64 | 0.59 | -8.14 |
| 56. | 30 sept. 2025 | -0.52% | 3.53% | 11.04 | 5.74 | -7.96 |
| 57. | 31 oct. 2025 | 58.30% | 2.27% | 3,079.93 | 1.28 | 62.85 |
| 58. | 30 nov. 2025 | -15.07% | 0.13% | 319.48 | 1.01 | 17.98 |
| 59. | 31 déc. 2025 | -1.55% | -0.05% | 18.98 | 1.41 | 5.18 |
| Total (Σ): | 15,844.16 | 1,108.23 | 2,167.11 | |||
Tout afficher
VarianceAMD = Σ(RAMD,t–RAMD)2 ÷ (59 – 1)
= 15,844.16 ÷ (59 – 1)
= 273.18
VarianceS&P 500 = Σ(RS&P 500,t–RS&P 500)2 ÷ (59 – 1)
= 1,108.23 ÷ (59 – 1)
= 19.11
CovarianceAMD, S&P 500 = Σ(RAMD,t–RAMD)×(RS&P 500,t–RS&P 500) ÷ (59 – 1)
= 2,167.11 ÷ (59 – 1)
= 37.36
Estimation systématique des risques (β)
| VarianceAMD | 273.18 |
| VarianceS&P 500 | 19.11 |
| CovarianceAMD, S&P 500 | 37.36 |
| Coefficient de corrélationAMD, S&P 5001 | 0.52 |
| βAMD2 | 1.96 |
| αAMD3 | 0.59% |
Calculs
1 Coefficient de corrélationAMD, S&P 500
= CovarianceAMD, S&P 500 ÷ (Écart typeAMD × Écart typeS&P 500)
= 37.36 ÷ (16.53% × 4.37%)
= 0.52
2 βAMD
= CovarianceAMD, S&P 500 ÷ VarianceS&P 500
= 37.36 ÷ 19.11
= 1.96
3 αAMD
= MoyenneAMD – βAMD × MoyenneS&P 500
= 2.81% – 1.96 × 1.14%
= 0.59%
Taux de rendement attendu
| Hypothèses | ||
| Taux de rendement de LT Treasury Composite1 | RF | 4.94% |
| Taux de rendement attendu du portefeuille de marché2 | E(RM) | 17.36% |
| Risque systématique lié à AMD actions ordinaires | βAMD | 1.96 |
| Taux de rendement attendu des actions ordinaires d’AMD3 | E(RAMD) | 29.23% |
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(RAMD) = RF + βAMD [E(RM) – RF]
= 4.94% + 1.96 [17.36% – 4.94%]
= 29.23%