資本資産価格設定モデル (CAPM)
資本資産価格モデル(CAPM)は、 Disney普通株式などのリスク資産の期待収益率または必要な収益率を示します。
収益率
Walt Disney Co.、月間収益率
| Walt Disney Co. (DIS) | Standard & Poor’s 500 (S&P 500) | |||||
|---|---|---|---|---|---|---|
| t | 日付 | 価格DIS,t1 | 配当DIS,t1 | RDIS,t2 | 価格S&P 500,t | RS&P 500,t3 |
| 2019/10/31 | $129.92 | 3,037.56 | ||||
| 1. | 2019/11/30 | $151.58 | 16.67% | 3,140.98 | 3.40% | |
| 2. | 2019/12/31 | $144.63 | $0.88 | -4.00% | 3,230.78 | 2.86% |
| 3. | 2020/01/31 | $138.31 | -4.37% | 3,225.52 | -0.16% | |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| 70. | 2025/08/31 | $118.38 | -0.61% | 6,460.26 | 1.91% | |
| 71. | 2025/09/30 | $114.50 | -3.28% | 6,688.46 | 3.53% | |
| 平均 (R): | 0.37% | 1.24% | ||||
| 標準偏差： | 10.38% | 4.98% | ||||
| Walt Disney Co. (DIS) | Standard & Poor’s 500 (S&P 500) | |||||
|---|---|---|---|---|---|---|
| t | 日付 | 価格DIS,t1 | 配当DIS,t1 | RDIS,t2 | 価格S&P 500,t | RS&P 500,t3 |
| 2019/10/31 | $129.92 | 3,037.56 | ||||
| 1. | 2019/11/30 | $151.58 | 16.67% | 3,140.98 | 3.40% | |
| 2. | 2019/12/31 | $144.63 | $0.88 | -4.00% | 3,230.78 | 2.86% |
| 3. | 2020/01/31 | $138.31 | -4.37% | 3,225.52 | -0.16% | |
| 4. | 2020/02/29 | $117.65 | -14.94% | 2,954.22 | -8.41% | |
| 5. | 2020/03/31 | $96.60 | -17.89% | 2,584.59 | -12.51% | |
| 6. | 2020/04/30 | $108.15 | 11.96% | 2,912.43 | 12.68% | |
| 7. | 2020/05/31 | $117.30 | 8.46% | 3,044.31 | 4.53% | |
| 8. | 2020/06/30 | $111.51 | -4.94% | 3,100.29 | 1.84% | |
| 9. | 2020/07/31 | $116.94 | 4.87% | 3,271.12 | 5.51% | |
| 10. | 2020/08/31 | $131.87 | 12.77% | 3,500.31 | 7.01% | |
| 11. | 2020/09/30 | $124.08 | -5.91% | 3,363.00 | -3.92% | |
| 12. | 2020/10/31 | $121.25 | -2.28% | 3,269.96 | -2.77% | |
| 13. | 2020/11/30 | $148.01 | 22.07% | 3,621.63 | 10.75% | |
| 14. | 2020/12/31 | $181.18 | 22.41% | 3,756.07 | 3.71% | |
| 15. | 2021/01/31 | $168.17 | -7.18% | 3,714.24 | -1.11% | |
| 16. | 2021/02/28 | $189.04 | 12.41% | 3,811.15 | 2.61% | |
| 17. | 2021/03/31 | $184.52 | -2.39% | 3,972.89 | 4.24% | |
| 18. | 2021/04/30 | $186.02 | 0.81% | 4,181.17 | 5.24% | |
| 19. | 2021/05/31 | $178.65 | -3.96% | 4,204.11 | 0.55% | |
| 20. | 2021/06/30 | $175.77 | -1.61% | 4,297.50 | 2.22% | |
| 21. | 2021/07/31 | $176.02 | 0.14% | 4,395.26 | 2.27% | |
| 22. | 2021/08/31 | $181.30 | 3.00% | 4,522.68 | 2.90% | |
| 23. | 2021/09/30 | $169.17 | -6.69% | 4,307.54 | -4.76% | |
| 24. | 2021/10/31 | $169.07 | -0.06% | 4,605.38 | 6.91% | |
| 25. | 2021/11/30 | $144.90 | -14.30% | 4,567.00 | -0.83% | |
| 26. | 2021/12/31 | $154.89 | 6.89% | 4,766.18 | 4.36% | |
| 27. | 2022/01/31 | $142.97 | -7.70% | 4,515.55 | -5.26% | |
| 28. | 2022/02/28 | $148.46 | 3.84% | 4,373.94 | -3.14% | |
| 29. | 2022/03/31 | $137.16 | -7.61% | 4,530.41 | 3.58% | |
| 30. | 2022/04/30 | $111.63 | -18.61% | 4,131.93 | -8.80% | |
| 31. | 2022/05/31 | $110.44 | -1.07% | 4,132.15 | 0.01% | |
| 32. | 2022/06/30 | $94.40 | -14.52% | 3,785.38 | -8.39% | |
| 33. | 2022/07/31 | $106.10 | 12.39% | 4,130.29 | 9.11% | |
| 34. | 2022/08/31 | $112.08 | 5.64% | 3,955.00 | -4.24% | |
| 35. | 2022/09/30 | $94.33 | -15.84% | 3,585.62 | -9.34% | |
| 36. | 2022/10/31 | $106.54 | 12.94% | 3,871.98 | 7.99% | |
| 37. | 2022/11/30 | $97.87 | -8.14% | 4,080.11 | 5.38% | |
| 38. | 2022/12/31 | $86.88 | -11.23% | 3,839.50 | -5.90% | |
| 39. | 2023/01/31 | $108.49 | 24.87% | 4,076.60 | 6.18% | |
| 40. | 2023/02/28 | $99.61 | -8.19% | 3,970.15 | -2.61% | |
| 41. | 2023/03/31 | $100.13 | 0.52% | 4,109.31 | 3.51% | |
| 42. | 2023/04/30 | $102.50 | 2.37% | 4,169.48 | 1.46% | |
| 43. | 2023/05/31 | $87.96 | -14.19% | 4,179.83 | 0.25% | |
| 44. | 2023/06/30 | $89.28 | 1.50% | 4,376.86 | 4.71% | |
| 45. | 2023/07/31 | $88.89 | -0.44% | 4,588.96 | 4.85% | |
| 46. | 2023/08/31 | $83.68 | -5.86% | 4,507.66 | -1.77% | |
| 47. | 2023/09/30 | $81.05 | -3.14% | 4,288.05 | -4.87% | |
| 48. | 2023/10/31 | $81.59 | 0.67% | 4,193.80 | -2.20% | |
| 49. | 2023/11/30 | $92.69 | 13.60% | 4,567.80 | 8.92% | |
| 50. | 2023/12/31 | $90.29 | $0.30 | -2.27% | 4,769.83 | 4.42% |
| 51. | 2024/01/31 | $96.05 | 6.38% | 4,845.65 | 1.59% | |
| 52. | 2024/02/29 | $111.58 | 16.17% | 5,096.27 | 5.17% | |
| 53. | 2024/03/31 | $122.36 | 9.66% | 5,254.35 | 3.10% | |
| 54. | 2024/04/30 | $111.10 | -9.20% | 5,035.69 | -4.16% | |
| 55. | 2024/05/31 | $103.91 | -6.47% | 5,277.51 | 4.80% | |
| 56. | 2024/06/30 | $99.29 | -4.45% | 5,460.48 | 3.47% | |
| 57. | 2024/07/31 | $93.69 | $0.45 | -5.19% | 5,522.30 | 1.13% |
| 58. | 2024/08/31 | $90.38 | -3.53% | 5,648.40 | 2.28% | |
| 59. | 2024/09/30 | $96.19 | 6.43% | 5,762.48 | 2.02% | |
| 60. | 2024/10/31 | $96.20 | 0.01% | 5,705.45 | -0.99% | |
| 61. | 2024/11/30 | $117.47 | 22.11% | 6,032.38 | 5.73% | |
| 62. | 2024/12/31 | $111.35 | $0.50 | -4.78% | 5,881.63 | -2.50% |
| 63. | 2025/01/31 | $113.06 | 1.54% | 6,040.53 | 2.70% | |
| 64. | 2025/02/28 | $113.80 | 0.65% | 5,954.50 | -1.42% | |
| 65. | 2025/03/31 | $98.70 | -13.27% | 5,611.85 | -5.75% | |
| 66. | 2025/04/30 | $90.95 | -7.85% | 5,569.06 | -0.76% | |
| 67. | 2025/05/31 | $113.04 | 24.29% | 5,911.69 | 6.15% | |
| 68. | 2025/06/30 | $124.01 | $0.50 | 10.15% | 6,204.95 | 4.96% |
| 69. | 2025/07/31 | $119.11 | -3.95% | 6,339.39 | 2.17% | |
| 70. | 2025/08/31 | $118.38 | -0.61% | 6,460.26 | 1.91% | |
| 71. | 2025/09/30 | $114.50 | -3.28% | 6,688.46 | 3.53% | |
| 平均 (R): | 0.37% | 1.24% | ||||
| 標準偏差： | 10.38% | 4.98% | ||||
すべて表示
1 普通株式1株当たり米ドルのデータで、分割と株式配当を調整したものです。
2 期間tにおけるDIS普通株式の収益率
3 期間 tにおけるS&P 500(市場ポートフォリオの代理)の収益率。
分散と共分散
Walt Disney Co.、分散の計算、および戻り値の共分散
| t | 日付 | RDIS,t | RS&P 500,t | (RDIS,t–RDIS)2 | (RS&P 500,t–RS&P 500)2 | (RDIS,t–RDIS)×(RS&P 500,t–RS&P 500) |
|---|---|---|---|---|---|---|
| 1. | 2019/11/30 | 16.67% | 3.40% | 265.73 | 4.68 | 35.28 |
| 2. | 2019/12/31 | -4.00% | 2.86% | 19.14 | 2.62 | -7.08 |
| 3. | 2020/01/31 | -4.37% | -0.16% | 22.47 | 1.97 | 6.65 |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| 70. | 2025/08/31 | -0.61% | 1.91% | 0.97 | 0.44 | -0.65 |
| 71. | 2025/09/30 | -3.28% | 3.53% | 13.31 | 5.25 | -8.36 |
| トータル (Σ): | 7,548.53 | 1,734.96 | 2,605.30 | |||
| t | 日付 | RDIS,t | RS&P 500,t | (RDIS,t–RDIS)2 | (RS&P 500,t–RS&P 500)2 | (RDIS,t–RDIS)×(RS&P 500,t–RS&P 500) |
|---|---|---|---|---|---|---|
| 1. | 2019/11/30 | 16.67% | 3.40% | 265.73 | 4.68 | 35.28 |
| 2. | 2019/12/31 | -4.00% | 2.86% | 19.14 | 2.62 | -7.08 |
| 3. | 2020/01/31 | -4.37% | -0.16% | 22.47 | 1.97 | 6.65 |
| 4. | 2020/02/29 | -14.94% | -8.41% | 234.33 | 93.16 | 147.75 |
| 5. | 2020/03/31 | -17.89% | -12.51% | 333.52 | 189.14 | 251.16 |
| 6. | 2020/04/30 | 11.96% | 12.68% | 134.24 | 130.96 | 132.59 |
| 7. | 2020/05/31 | 8.46% | 4.53% | 65.45 | 10.81 | 26.60 |
| 8. | 2020/06/30 | -4.94% | 1.84% | 28.16 | 0.36 | -3.17 |
| 9. | 2020/07/31 | 4.87% | 5.51% | 20.24 | 18.23 | 19.21 |
| 10. | 2020/08/31 | 12.77% | 7.01% | 153.68 | 33.24 | 71.48 |
| 11. | 2020/09/30 | -5.91% | -3.92% | 39.41 | 26.66 | 32.42 |
| 12. | 2020/10/31 | -2.28% | -2.77% | 7.03 | 16.06 | 10.62 |
| 13. | 2020/11/30 | 22.07% | 10.75% | 470.88 | 90.51 | 206.45 |
| 14. | 2020/12/31 | 22.41% | 3.71% | 485.77 | 6.11 | 54.47 |
| 15. | 2021/01/31 | -7.18% | -1.11% | 57.02 | 5.54 | 17.78 |
| 16. | 2021/02/28 | 12.41% | 2.61% | 144.95 | 1.87 | 16.47 |
| 17. | 2021/03/31 | -2.39% | 4.24% | 7.63 | 9.02 | -8.29 |
| 18. | 2021/04/30 | 0.81% | 5.24% | 0.20 | 16.01 | 1.77 |
| 19. | 2021/05/31 | -3.96% | 0.55% | 18.77 | 0.48 | 3.00 |
| 20. | 2021/06/30 | -1.61% | 2.22% | 3.93 | 0.96 | -1.94 |
| 21. | 2021/07/31 | 0.14% | 2.27% | 0.05 | 1.07 | -0.24 |
| 22. | 2021/08/31 | 3.00% | 2.90% | 6.91 | 2.75 | 4.36 |
| 23. | 2021/09/30 | -6.69% | -4.76% | 49.86 | 35.97 | 42.35 |
| 24. | 2021/10/31 | -0.06% | 6.91% | 0.18 | 32.19 | -2.44 |
| 25. | 2021/11/30 | -14.30% | -0.83% | 215.10 | 4.30 | 30.42 |
| 26. | 2021/12/31 | 6.89% | 4.36% | 42.56 | 9.74 | 20.36 |
| 27. | 2022/01/31 | -7.70% | -5.26% | 65.06 | 42.24 | 52.42 |
| 28. | 2022/02/28 | 3.84% | -3.14% | 12.04 | 19.16 | -15.19 |
| 29. | 2022/03/31 | -7.61% | 3.58% | 63.71 | 5.46 | -18.65 |
| 30. | 2022/04/30 | -18.61% | -8.80% | 360.38 | 100.73 | 190.53 |
| 31. | 2022/05/31 | -1.07% | 0.01% | 2.06 | 1.53 | 1.77 |
| 32. | 2022/06/30 | -14.52% | -8.39% | 221.84 | 92.79 | 143.47 |
| 33. | 2022/07/31 | 12.39% | 9.11% | 144.57 | 61.95 | 94.64 |
| 34. | 2022/08/31 | 5.64% | -4.24% | 27.73 | 30.08 | -28.88 |
| 35. | 2022/09/30 | -15.84% | -9.34% | 262.68 | 111.94 | 171.48 |
| 36. | 2022/10/31 | 12.94% | 7.99% | 158.09 | 45.50 | 84.82 |
| 37. | 2022/11/30 | -8.14% | 5.38% | 72.39 | 17.09 | -35.18 |
| 38. | 2022/12/31 | -11.23% | -5.90% | 134.55 | 50.95 | 82.80 |
| 39. | 2023/01/31 | 24.87% | 6.18% | 600.40 | 24.35 | 120.91 |
| 40. | 2023/02/28 | -8.19% | -2.61% | 73.20 | 14.84 | 32.96 |
| 41. | 2023/03/31 | 0.52% | 3.51% | 0.02 | 5.13 | 0.34 |
| 42. | 2023/04/30 | 2.37% | 1.46% | 3.99 | 0.05 | 0.45 |
| 43. | 2023/05/31 | -14.19% | 0.25% | 211.87 | 0.99 | 14.45 |
| 44. | 2023/06/30 | 1.50% | 4.71% | 1.28 | 12.06 | 3.93 |
| 45. | 2023/07/31 | -0.44% | 4.85% | 0.65 | 13.00 | -2.91 |
| 46. | 2023/08/31 | -5.86% | -1.77% | 38.83 | 9.07 | 18.77 |
| 47. | 2023/09/30 | -3.14% | -4.87% | 12.34 | 37.37 | 21.48 |
| 48. | 2023/10/31 | 0.67% | -2.20% | 0.09 | 11.82 | -1.02 |
| 49. | 2023/11/30 | 13.60% | 8.92% | 175.14 | 58.94 | 101.60 |
| 50. | 2023/12/31 | -2.27% | 4.42% | 6.95 | 10.13 | -8.39 |
| 51. | 2024/01/31 | 6.38% | 1.59% | 36.11 | 0.12 | 2.10 |
| 52. | 2024/02/29 | 16.17% | 5.17% | 249.58 | 15.46 | 62.11 |
| 53. | 2024/03/31 | 9.66% | 3.10% | 86.32 | 3.46 | 17.29 |
| 54. | 2024/04/30 | -9.20% | -4.16% | 91.64 | 29.18 | 51.71 |
| 55. | 2024/05/31 | -6.47% | 4.80% | 46.81 | 12.68 | -24.37 |
| 56. | 2024/06/30 | -4.45% | 3.47% | 23.20 | 4.96 | -10.72 |
| 57. | 2024/07/31 | -5.19% | 1.13% | 30.88 | 0.01 | 0.60 |
| 58. | 2024/08/31 | -3.53% | 2.28% | 15.24 | 1.09 | -4.07 |
| 59. | 2024/09/30 | 6.43% | 2.02% | 36.70 | 0.61 | 4.72 |
| 60. | 2024/10/31 | 0.01% | -0.99% | 0.13 | 4.97 | 0.80 |
| 61. | 2024/11/30 | 22.11% | 5.73% | 472.62 | 20.15 | 97.60 |
| 62. | 2024/12/31 | -4.78% | -2.50% | 26.57 | 13.99 | 19.28 |
| 63. | 2025/01/31 | 1.54% | 2.70% | 1.36 | 2.13 | 1.70 |
| 64. | 2025/02/28 | 0.65% | -1.42% | 0.08 | 7.10 | -0.76 |
| 65. | 2025/03/31 | -13.27% | -5.75% | 186.03 | 48.93 | 95.41 |
| 66. | 2025/04/30 | -7.85% | -0.76% | 67.61 | 4.01 | 16.47 |
| 67. | 2025/05/31 | 24.29% | 6.15% | 572.05 | 24.12 | 117.47 |
| 68. | 2025/06/30 | 10.15% | 4.96% | 95.58 | 13.84 | 36.37 |
| 69. | 2025/07/31 | -3.95% | 2.17% | 18.68 | 0.86 | -4.00 |
| 70. | 2025/08/31 | -0.61% | 1.91% | 0.97 | 0.44 | -0.65 |
| 71. | 2025/09/30 | -3.28% | 3.53% | 13.31 | 5.25 | -8.36 |
| トータル (Σ): | 7,548.53 | 1,734.96 | 2,605.30 | |||
すべて表示
分散DIS = Σ(RDIS,t–RDIS)2 ÷ (71 – 1)
= 7,548.53 ÷ (71 – 1)
= 107.84
分散S&P 500 = Σ(RS&P 500,t–RS&P 500)2 ÷ (71 – 1)
= 1,734.96 ÷ (71 – 1)
= 24.79
共 分散DIS, S&P 500 = Σ(RDIS,t–RDIS)×(RS&P 500,t–RS&P 500) ÷ (71 – 1)
= 2,605.30 ÷ (71 – 1)
= 37.22
システマティックなリスク推定 (β)
| 分散DIS | 107.84 |
| 分散S&P 500 | 24.79 |
| 共 分散DIS, S&P 500 | 37.22 |
| 相関係数DIS, S&P 5001 | 0.72 |
| βDIS2 | 1.50 |
| αDIS3 | -1.49% |
計算
1 相関係数DIS, S&P 500
= 共 分散DIS, S&P 500 ÷ (標準偏差DIS × 標準偏差S&P 500)
= 37.22 ÷ (10.38% × 4.98%)
= 0.72
2 βDIS
= 共 分散DIS, S&P 500 ÷ 分散S&P 500
= 37.22 ÷ 24.79
= 1.50
3 αDIS
= 平均DIS – βDIS × 平均S&P 500
= 0.37% – 1.50 × 1.24%
= -1.49%
期待収益率
| 仮定 | ||
| LT国債総合の収益率1 | RF | 4.94% |
| 市場ポートフォリオの期待収益率2 | E(RM) | 17.36% |
| 普通株式 Disney システマティックリスク | βDIS | 1.50 |
| ディズニー普通株式の期待収益率3 | E(RDIS) | 23.59% |
1 10年以内に期限が到来しない、または償還不能となるすべての発行済み固定利回り米国債の入札利回りの加重平均(リスクフリー・リターン・プロキシ)。
2 詳しく見る »
3 E(RDIS) = RF + βDIS [E(RM) – RF]
= 4.94% + 1.50 [17.36% – 4.94%]
= 23.59%