Modèle d’évaluation des immobilisations (CAPM)
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 CSX.
Taux de rendement
CSX Corp., taux de rendement mensuels
| CSX Corp. (CSX) | Standard & Poor’s 500 (S&P 500) | |||||
|---|---|---|---|---|---|---|
| t | Date | PrixCSX,t1 | DividendeCSX,t1 | RCSX,t2 | PrixS&P 500,t | RS&P 500,t3 |
| 31 janv. 2018 | $18.92 | 2,823.81 | ||||
| 1. | 28 févr. 2018 | $17.91 | $0.073 | -4.95% | 2,713.83 | -3.89% |
| 2. | 31 mars 2018 | $18.57 | 3.69% | 2,640.87 | -2.69% | |
| 3. | 30 avr. 2018 | $19.80 | 6.62% | 2,648.05 | 0.27% | |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| 58. | 30 nov. 2022 | $32.69 | $0.10 | 12.84% | 4,080.11 | 5.38% |
| 59. | 31 déc. 2022 | $30.98 | -5.23% | 3,839.50 | -5.90% | |
| Moyenne (R): | 1.27% | 0.67% | ||||
| Écart type: | 8.02% | 5.40% | ||||
| CSX Corp. (CSX) | Standard & Poor’s 500 (S&P 500) | |||||
|---|---|---|---|---|---|---|
| t | Date | PrixCSX,t1 | DividendeCSX,t1 | RCSX,t2 | PrixS&P 500,t | RS&P 500,t3 |
| 31 janv. 2018 | $18.92 | 2,823.81 | ||||
| 1. | 28 févr. 2018 | $17.91 | $0.073 | -4.95% | 2,713.83 | -3.89% |
| 2. | 31 mars 2018 | $18.57 | 3.69% | 2,640.87 | -2.69% | |
| 3. | 30 avr. 2018 | $19.80 | 6.62% | 2,648.05 | 0.27% | |
| 4. | 31 mai 2018 | $21.55 | $0.073 | 9.21% | 2,705.27 | 2.16% |
| 5. | 30 juin 2018 | $21.26 | -1.35% | 2,718.37 | 0.48% | |
| 6. | 31 juil. 2018 | $23.56 | 10.82% | 2,816.29 | 3.60% | |
| 7. | 31 août 2018 | $24.72 | $0.073 | 5.23% | 2,901.52 | 3.03% |
| 8. | 30 sept. 2018 | $24.68 | -0.16% | 2,913.98 | 0.43% | |
| 9. | 31 oct. 2018 | $22.95 | -7.01% | 2,711.74 | -6.94% | |
| 10. | 30 nov. 2018 | $24.21 | $0.073 | 5.81% | 2,760.17 | 1.79% |
| 11. | 31 déc. 2018 | $20.71 | -14.46% | 2,506.85 | -9.18% | |
| 12. | 31 janv. 2019 | $21.90 | 5.75% | 2,704.10 | 7.87% | |
| 13. | 28 févr. 2019 | $24.22 | $0.08 | 10.96% | 2,784.49 | 2.97% |
| 14. | 31 mars 2019 | $24.94 | 2.97% | 2,834.40 | 1.79% | |
| 15. | 30 avr. 2019 | $26.54 | 6.42% | 2,945.83 | 3.93% | |
| 16. | 31 mai 2019 | $24.82 | $0.08 | -6.18% | 2,752.06 | -6.58% |
| 17. | 30 juin 2019 | $25.79 | 3.91% | 2,941.76 | 6.89% | |
| 18. | 31 juil. 2019 | $23.47 | -9.00% | 2,980.38 | 1.31% | |
| 19. | 31 août 2019 | $22.34 | $0.08 | -4.47% | 2,926.46 | -1.81% |
| 20. | 30 sept. 2019 | $23.09 | 3.36% | 2,976.74 | 1.72% | |
| 21. | 31 oct. 2019 | $23.42 | 1.43% | 3,037.56 | 2.04% | |
| 22. | 30 nov. 2019 | $23.85 | $0.08 | 2.18% | 3,140.98 | 3.40% |
| 23. | 31 déc. 2019 | $24.12 | 1.13% | 3,230.78 | 2.86% | |
| 24. | 31 janv. 2020 | $25.45 | 5.51% | 3,225.52 | -0.16% | |
| 25. | 29 févr. 2020 | $23.48 | $0.087 | -7.40% | 2,954.22 | -8.41% |
| 26. | 31 mars 2020 | $19.10 | -18.65% | 2,584.59 | -12.51% | |
| 27. | 30 avr. 2020 | $22.08 | 15.60% | 2,912.43 | 12.68% | |
| 28. | 31 mai 2020 | $23.86 | $0.087 | 8.46% | 3,044.31 | 4.53% |
| 29. | 30 juin 2020 | $23.25 | -2.56% | 3,100.29 | 1.84% | |
| 30. | 31 juil. 2020 | $23.78 | 2.28% | 3,271.12 | 5.51% | |
| 31. | 31 août 2020 | $25.49 | $0.087 | 7.56% | 3,500.31 | 7.01% |
| 32. | 30 sept. 2020 | $25.89 | 1.57% | 3,363.00 | -3.92% | |
| 33. | 31 oct. 2020 | $26.31 | 1.62% | 3,269.96 | -2.77% | |
| 34. | 30 nov. 2020 | $30.02 | $0.087 | 14.43% | 3,621.63 | 10.75% |
| 35. | 31 déc. 2020 | $30.25 | 0.77% | 3,756.07 | 3.71% | |
| 36. | 31 janv. 2021 | $28.59 | -5.49% | 3,714.24 | -1.11% | |
| 37. | 28 févr. 2021 | $30.52 | $0.093 | 7.08% | 3,811.15 | 2.61% |
| 38. | 31 mars 2021 | $32.14 | 5.31% | 3,972.89 | 4.24% | |
| 39. | 30 avr. 2021 | $33.58 | 4.48% | 4,181.17 | 5.24% | |
| 40. | 31 mai 2021 | $33.37 | $0.093 | -0.35% | 4,204.11 | 0.55% |
| 41. | 30 juin 2021 | $32.08 | -3.87% | 4,297.50 | 2.22% | |
| 42. | 31 juil. 2021 | $32.32 | 0.75% | 4,395.26 | 2.27% | |
| 43. | 31 août 2021 | $32.53 | $0.093 | 0.94% | 4,522.68 | 2.90% |
| 44. | 30 sept. 2021 | $29.74 | -8.58% | 4,307.54 | -4.76% | |
| 45. | 31 oct. 2021 | $36.17 | 21.62% | 4,605.38 | 6.91% | |
| 46. | 30 nov. 2021 | $34.66 | $0.093 | -3.92% | 4,567.00 | -0.83% |
| 47. | 31 déc. 2021 | $37.60 | 8.48% | 4,766.18 | 4.36% | |
| 48. | 31 janv. 2022 | $34.22 | -8.99% | 4,515.55 | -5.26% | |
| 49. | 28 févr. 2022 | $33.91 | $0.10 | -0.61% | 4,373.94 | -3.14% |
| 50. | 31 mars 2022 | $37.45 | 10.44% | 4,530.41 | 3.58% | |
| 51. | 30 avr. 2022 | $34.34 | -8.30% | 4,131.93 | -8.80% | |
| 52. | 31 mai 2022 | $31.79 | $0.10 | -7.13% | 4,132.15 | 0.01% |
| 53. | 30 juin 2022 | $29.06 | -8.59% | 3,785.38 | -8.39% | |
| 54. | 31 juil. 2022 | $32.33 | 11.25% | 4,130.29 | 9.11% | |
| 55. | 31 août 2022 | $31.65 | $0.10 | -1.79% | 3,955.00 | -4.24% |
| 56. | 30 sept. 2022 | $26.64 | -15.83% | 3,585.62 | -9.34% | |
| 57. | 31 oct. 2022 | $29.06 | 9.08% | 3,871.98 | 7.99% | |
| 58. | 30 nov. 2022 | $32.69 | $0.10 | 12.84% | 4,080.11 | 5.38% |
| 59. | 31 déc. 2022 | $30.98 | -5.23% | 3,839.50 | -5.90% | |
| Moyenne (R): | 1.27% | 0.67% | ||||
| Écart type: | 8.02% | 5.40% | ||||
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 CSX 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
CSX Corp., calcul de la variance et de la covariance des rendements
| t | Date | RCSX,t | RS&P 500,t | (RCSX,t–RCSX)2 | (RS&P 500,t–RS&P 500)2 | (RCSX,t–RCSX)×(RS&P 500,t–RS&P 500) |
|---|---|---|---|---|---|---|
| 1. | 28 févr. 2018 | -4.95% | -3.89% | 38.66 | 20.81 | 28.36 |
| 2. | 31 mars 2018 | 3.69% | -2.69% | 5.85 | 11.26 | -8.12 |
| 3. | 30 avr. 2018 | 6.62% | 0.27% | 28.71 | 0.16 | -2.12 |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| 58. | 30 nov. 2022 | 12.84% | 5.38% | 133.86 | 22.17 | 54.48 |
| 59. | 31 déc. 2022 | -5.23% | -5.90% | 42.21 | 43.08 | 42.64 |
| Total (Σ): | 3,730.14 | 1,691.48 | 2,116.54 | |||
| t | Date | RCSX,t | RS&P 500,t | (RCSX,t–RCSX)2 | (RS&P 500,t–RS&P 500)2 | (RCSX,t–RCSX)×(RS&P 500,t–RS&P 500) |
|---|---|---|---|---|---|---|
| 1. | 28 févr. 2018 | -4.95% | -3.89% | 38.66 | 20.81 | 28.36 |
| 2. | 31 mars 2018 | 3.69% | -2.69% | 5.85 | 11.26 | -8.12 |
| 3. | 30 avr. 2018 | 6.62% | 0.27% | 28.71 | 0.16 | -2.12 |
| 4. | 31 mai 2018 | 9.21% | 2.16% | 63.07 | 2.23 | 11.87 |
| 5. | 30 juin 2018 | -1.35% | 0.48% | 6.82 | 0.03 | 0.48 |
| 6. | 31 juil. 2018 | 10.82% | 3.60% | 91.26 | 8.62 | 28.04 |
| 7. | 31 août 2018 | 5.23% | 3.03% | 15.74 | 5.57 | 9.36 |
| 8. | 30 sept. 2018 | -0.16% | 0.43% | 2.04 | 0.06 | 0.34 |
| 9. | 31 oct. 2018 | -7.01% | -6.94% | 68.48 | 57.87 | 62.95 |
| 10. | 30 nov. 2018 | 5.81% | 1.79% | 20.64 | 1.25 | 5.08 |
| 11. | 31 déc. 2018 | -14.46% | -9.18% | 247.20 | 96.91 | 154.78 |
| 12. | 31 janv. 2019 | 5.75% | 7.87% | 20.07 | 51.87 | 32.27 |
| 13. | 28 févr. 2019 | 10.96% | 2.97% | 93.96 | 5.32 | 22.36 |
| 14. | 31 mars 2019 | 2.97% | 1.79% | 2.91 | 1.27 | 1.92 |
| 15. | 30 avr. 2019 | 6.42% | 3.93% | 26.52 | 10.66 | 16.81 |
| 16. | 31 mai 2019 | -6.18% | -6.58% | 55.43 | 52.48 | 53.93 |
| 17. | 30 juin 2019 | 3.91% | 6.89% | 6.98 | 38.77 | 16.45 |
| 18. | 31 juil. 2019 | -9.00% | 1.31% | 105.29 | 0.42 | -6.63 |
| 19. | 31 août 2019 | -4.47% | -1.81% | 32.94 | 6.13 | 14.21 |
| 20. | 30 sept. 2019 | 3.36% | 1.72% | 4.37 | 1.11 | 2.20 |
| 21. | 31 oct. 2019 | 1.43% | 2.04% | 0.03 | 1.89 | 0.23 |
| 22. | 30 nov. 2019 | 2.18% | 3.40% | 0.83 | 7.50 | 2.50 |
| 23. | 31 déc. 2019 | 1.13% | 2.86% | 0.02 | 4.81 | -0.29 |
| 24. | 31 janv. 2020 | 5.51% | -0.16% | 18.05 | 0.69 | -3.52 |
| 25. | 29 févr. 2020 | -7.40% | -8.41% | 75.07 | 82.40 | 78.65 |
| 26. | 31 mars 2020 | -18.65% | -12.51% | 396.80 | 173.67 | 262.51 |
| 27. | 30 avr. 2020 | 15.60% | 12.68% | 205.54 | 144.43 | 172.29 |
| 28. | 31 mai 2020 | 8.46% | 4.53% | 51.70 | 14.91 | 27.76 |
| 29. | 30 juin 2020 | -2.56% | 1.84% | 14.61 | 1.37 | -4.48 |
| 30. | 31 juil. 2020 | 2.28% | 5.51% | 1.03 | 23.46 | 4.91 |
| 31. | 31 août 2020 | 7.56% | 7.01% | 39.58 | 40.19 | 39.88 |
| 32. | 30 sept. 2020 | 1.57% | -3.92% | 0.09 | 21.06 | -1.39 |
| 33. | 31 oct. 2020 | 1.62% | -2.77% | 0.13 | 11.79 | -1.22 |
| 34. | 30 nov. 2020 | 14.43% | 10.75% | 173.35 | 101.77 | 132.82 |
| 35. | 31 déc. 2020 | 0.77% | 3.71% | 0.25 | 9.28 | -1.52 |
| 36. | 31 janv. 2021 | -5.49% | -1.11% | 45.61 | 3.17 | 12.02 |
| 37. | 28 févr. 2021 | 7.08% | 2.61% | 33.76 | 3.77 | 11.29 |
| 38. | 31 mars 2021 | 5.31% | 4.24% | 16.34 | 12.80 | 14.46 |
| 39. | 30 avr. 2021 | 4.48% | 5.24% | 10.33 | 20.94 | 14.71 |
| 40. | 31 mai 2021 | -0.35% | 0.55% | 2.61 | 0.01 | 0.19 |
| 41. | 30 juin 2021 | -3.87% | 2.22% | 26.33 | 2.42 | -7.98 |
| 42. | 31 juil. 2021 | 0.75% | 2.27% | 0.27 | 2.59 | -0.83 |
| 43. | 31 août 2021 | 0.94% | 2.90% | 0.11 | 4.98 | -0.73 |
| 44. | 30 sept. 2021 | -8.58% | -4.76% | 96.87 | 29.42 | 53.38 |
| 45. | 31 oct. 2021 | 21.62% | 6.91% | 414.33 | 39.03 | 127.17 |
| 46. | 30 nov. 2021 | -3.92% | -0.83% | 26.87 | 2.25 | 7.77 |
| 47. | 31 déc. 2021 | 8.48% | 4.36% | 52.08 | 13.65 | 26.66 |
| 48. | 31 janv. 2022 | -8.99% | -5.26% | 105.16 | 35.11 | 60.76 |
| 49. | 28 févr. 2022 | -0.61% | -3.14% | 3.53 | 14.46 | 7.15 |
| 50. | 31 mars 2022 | 10.44% | 3.58% | 84.16 | 8.47 | 26.70 |
| 51. | 30 avr. 2022 | -8.30% | -8.80% | 91.59 | 89.54 | 90.55 |
| 52. | 31 mai 2022 | -7.13% | 0.01% | 70.56 | 0.44 | 5.56 |
| 53. | 30 juin 2022 | -8.59% | -8.39% | 97.09 | 82.06 | 89.26 |
| 54. | 31 juil. 2022 | 11.25% | 9.11% | 99.74 | 71.32 | 84.34 |
| 55. | 31 août 2022 | -1.79% | -4.24% | 9.36 | 24.11 | 15.02 |
| 56. | 30 sept. 2022 | -15.83% | -9.34% | 292.24 | 100.12 | 171.06 |
| 57. | 31 oct. 2022 | 9.08% | 7.99% | 61.13 | 53.58 | 57.23 |
| 58. | 30 nov. 2022 | 12.84% | 5.38% | 133.86 | 22.17 | 54.48 |
| 59. | 31 déc. 2022 | -5.23% | -5.90% | 42.21 | 43.08 | 42.64 |
| Total (Σ): | 3,730.14 | 1,691.48 | 2,116.54 | |||
Tout afficher
VarianceCSX = Σ(RCSX,t–RCSX)2 ÷ (59 – 1)
= 3,730.14 ÷ (59 – 1)
= 64.31
VarianceS&P 500 = Σ(RS&P 500,t–RS&P 500)2 ÷ (59 – 1)
= 1,691.48 ÷ (59 – 1)
= 29.16
CovarianceCSX, S&P 500 = Σ(RCSX,t–RCSX)×(RS&P 500,t–RS&P 500) ÷ (59 – 1)
= 2,116.54 ÷ (59 – 1)
= 36.49
Estimation systématique des risques (β)
| VarianceCSX | 64.31 |
| VarianceS&P 500 | 29.16 |
| CovarianceCSX, S&P 500 | 36.49 |
| Coefficient de corrélationCSX, S&P 5001 | 0.84 |
| βCSX2 | 1.25 |
| αCSX3 | 0.43% |
Calculs
1 Coefficient de corrélationCSX, S&P 500
= CovarianceCSX, S&P 500 ÷ (Écart typeCSX × Écart typeS&P 500)
= 36.49 ÷ (8.02% × 5.40%)
= 0.84
2 βCSX
= CovarianceCSX, S&P 500 ÷ VarianceS&P 500
= 36.49 ÷ 29.16
= 1.25
3 αCSX
= MoyenneCSX – βCSX × MoyenneS&P 500
= 1.27% – 1.25 × 0.67%
= 0.43%
Taux de rendement attendu
| Hypothèses | ||
| Taux de rendement de LT Treasury Composite1 | RF | 4.81% |
| Taux de rendement attendu du portefeuille de marché2 | E(RM) | 13.54% |
| Risque systématique lié à CSX actions ordinaires | βCSX | 1.25 |
| Taux de rendement attendu des actions ordinaires de CSX3 | E(RCSX) | 15.73% |
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(RCSX) = RF + βCSX [E(RM) – RF]
= 4.81% + 1.25 [13.54% – 4.81%]
= 15.73%