資本資産価格モデル (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 |
| 2017/10/31 | $97.81 | 2,575.26 | ||||
| 1. | 2017/11/30 | $104.82 | 7.17% | 2,647.58 | 2.81% | |
| 2. | 2017/12/31 | $107.51 | $0.84 | 3.37% | 2,673.61 | 0.98% |
| 3. | 2018/01/31 | $108.67 | 1.08% | 2,823.81 | 5.62% | |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| 70. | 2023/08/31 | $83.68 | -5.86% | 4,507.66 | -1.77% | |
| 71. | 2023/09/30 | $81.05 | -3.14% | 4,288.05 | -4.87% | |
| 平均 (R): | 0.21% | 0.85% | ||||
| 標準偏差： | 9.39% | 5.13% | ||||
| 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 |
| 2017/10/31 | $97.81 | 2,575.26 | ||||
| 1. | 2017/11/30 | $104.82 | 7.17% | 2,647.58 | 2.81% | |
| 2. | 2017/12/31 | $107.51 | $0.84 | 3.37% | 2,673.61 | 0.98% |
| 3. | 2018/01/31 | $108.67 | 1.08% | 2,823.81 | 5.62% | |
| 4. | 2018/02/28 | $103.16 | -5.07% | 2,713.83 | -3.89% | |
| 5. | 2018/03/31 | $100.44 | -2.64% | 2,640.87 | -2.69% | |
| 6. | 2018/04/30 | $100.33 | -0.11% | 2,648.05 | 0.27% | |
| 7. | 2018/05/31 | $99.47 | -0.86% | 2,705.27 | 2.16% | |
| 8. | 2018/06/30 | $104.81 | 5.37% | 2,718.37 | 0.48% | |
| 9. | 2018/07/31 | $113.56 | $0.84 | 9.15% | 2,816.29 | 3.60% |
| 10. | 2018/08/31 | $112.02 | -1.36% | 2,901.52 | 3.03% | |
| 11. | 2018/09/30 | $116.94 | 4.39% | 2,913.98 | 0.43% | |
| 12. | 2018/10/31 | $114.83 | -1.80% | 2,711.74 | -6.94% | |
| 13. | 2018/11/30 | $115.49 | 0.57% | 2,760.17 | 1.79% | |
| 14. | 2018/12/31 | $109.65 | $0.88 | -4.29% | 2,506.85 | -9.18% |
| 15. | 2019/01/31 | $111.52 | 1.71% | 2,704.10 | 7.87% | |
| 16. | 2019/02/28 | $112.84 | 1.18% | 2,784.49 | 2.97% | |
| 17. | 2019/03/31 | $111.03 | -1.60% | 2,834.40 | 1.79% | |
| 18. | 2019/04/30 | $136.97 | 23.36% | 2,945.83 | 3.93% | |
| 19. | 2019/05/31 | $132.04 | -3.60% | 2,752.06 | -6.58% | |
| 20. | 2019/06/30 | $139.64 | 5.76% | 2,941.76 | 6.89% | |
| 21. | 2019/07/31 | $143.01 | $0.88 | 3.04% | 2,980.38 | 1.31% |
| 22. | 2019/08/31 | $137.26 | -4.02% | 2,926.46 | -1.81% | |
| 23. | 2019/09/30 | $130.32 | -5.06% | 2,976.74 | 1.72% | |
| 24. | 2019/10/31 | $129.92 | -0.31% | 3,037.56 | 2.04% | |
| 25. | 2019/11/30 | $151.58 | 16.67% | 3,140.98 | 3.40% | |
| 26. | 2019/12/31 | $144.63 | $0.88 | -4.00% | 3,230.78 | 2.86% |
| 27. | 2020/01/31 | $138.31 | -4.37% | 3,225.52 | -0.16% | |
| 28. | 2020/02/29 | $117.65 | -14.94% | 2,954.22 | -8.41% | |
| 29. | 2020/03/31 | $96.60 | -17.89% | 2,584.59 | -12.51% | |
| 30. | 2020/04/30 | $108.15 | 11.96% | 2,912.43 | 12.68% | |
| 31. | 2020/05/31 | $117.30 | 8.46% | 3,044.31 | 4.53% | |
| 32. | 2020/06/30 | $111.51 | -4.94% | 3,100.29 | 1.84% | |
| 33. | 2020/07/31 | $116.94 | 4.87% | 3,271.12 | 5.51% | |
| 34. | 2020/08/31 | $131.87 | 12.77% | 3,500.31 | 7.01% | |
| 35. | 2020/09/30 | $124.08 | -5.91% | 3,363.00 | -3.92% | |
| 36. | 2020/10/31 | $121.25 | -2.28% | 3,269.96 | -2.77% | |
| 37. | 2020/11/30 | $148.01 | 22.07% | 3,621.63 | 10.75% | |
| 38. | 2020/12/31 | $181.18 | 22.41% | 3,756.07 | 3.71% | |
| 39. | 2021/01/31 | $168.17 | -7.18% | 3,714.24 | -1.11% | |
| 40. | 2021/02/28 | $189.04 | 12.41% | 3,811.15 | 2.61% | |
| 41. | 2021/03/31 | $184.52 | -2.39% | 3,972.89 | 4.24% | |
| 42. | 2021/04/30 | $186.02 | 0.81% | 4,181.17 | 5.24% | |
| 43. | 2021/05/31 | $178.65 | -3.96% | 4,204.11 | 0.55% | |
| 44. | 2021/06/30 | $175.77 | -1.61% | 4,297.50 | 2.22% | |
| 45. | 2021/07/31 | $176.02 | 0.14% | 4,395.26 | 2.27% | |
| 46. | 2021/08/31 | $181.30 | 3.00% | 4,522.68 | 2.90% | |
| 47. | 2021/09/30 | $169.17 | -6.69% | 4,307.54 | -4.76% | |
| 48. | 2021/10/31 | $169.07 | -0.06% | 4,605.38 | 6.91% | |
| 49. | 2021/11/30 | $144.90 | -14.30% | 4,567.00 | -0.83% | |
| 50. | 2021/12/31 | $154.89 | 6.89% | 4,766.18 | 4.36% | |
| 51. | 2022/01/31 | $142.97 | -7.70% | 4,515.55 | -5.26% | |
| 52. | 2022/02/28 | $148.46 | 3.84% | 4,373.94 | -3.14% | |
| 53. | 2022/03/31 | $137.16 | -7.61% | 4,530.41 | 3.58% | |
| 54. | 2022/04/30 | $111.63 | -18.61% | 4,131.93 | -8.80% | |
| 55. | 2022/05/31 | $110.44 | -1.07% | 4,132.15 | 0.01% | |
| 56. | 2022/06/30 | $94.40 | -14.52% | 3,785.38 | -8.39% | |
| 57. | 2022/07/31 | $106.10 | 12.39% | 4,130.29 | 9.11% | |
| 58. | 2022/08/31 | $112.08 | 5.64% | 3,955.00 | -4.24% | |
| 59. | 2022/09/30 | $94.33 | -15.84% | 3,585.62 | -9.34% | |
| 60. | 2022/10/31 | $106.54 | 12.94% | 3,871.98 | 7.99% | |
| 61. | 2022/11/30 | $97.87 | -8.14% | 4,080.11 | 5.38% | |
| 62. | 2022/12/31 | $86.88 | -11.23% | 3,839.50 | -5.90% | |
| 63. | 2023/01/31 | $108.49 | 24.87% | 4,076.60 | 6.18% | |
| 64. | 2023/02/28 | $99.61 | -8.19% | 3,970.15 | -2.61% | |
| 65. | 2023/03/31 | $100.13 | 0.52% | 4,109.31 | 3.51% | |
| 66. | 2023/04/30 | $102.50 | 2.37% | 4,169.48 | 1.46% | |
| 67. | 2023/05/31 | $87.96 | -14.19% | 4,179.83 | 0.25% | |
| 68. | 2023/06/30 | $89.28 | 1.50% | 4,376.86 | 4.71% | |
| 69. | 2023/07/31 | $88.89 | -0.44% | 4,588.96 | 4.85% | |
| 70. | 2023/08/31 | $83.68 | -5.86% | 4,507.66 | -1.77% | |
| 71. | 2023/09/30 | $81.05 | -3.14% | 4,288.05 | -4.87% | |
| 平均 (R): | 0.21% | 0.85% | ||||
| 標準偏差： | 9.39% | 5.13% | ||||
すべて表示
1 普通株式1株当たり米ドルで、分割および株式配当を調整したデータ。
2 期間 t中のDISの普通株式の収益率。
3 期間tにおけるS&P 500(市場ポートフォリオプロキシ)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. | 2017/11/30 | 7.17% | 2.81% | 48.39 | 3.83 | 13.61 |
| 2. | 2017/12/31 | 3.37% | 0.98% | 9.97 | 0.02 | 0.42 |
| 3. | 2018/01/31 | 1.08% | 5.62% | 0.75 | 22.72 | 4.14 |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| 70. | 2023/08/31 | -5.86% | -1.77% | 36.86 | 6.88 | 15.92 |
| 71. | 2023/09/30 | -3.14% | -4.87% | 11.24 | 32.75 | 19.19 |
| トータル (Σ): | 6,172.98 | 1,838.69 | 2,310.12 | |||
| 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. | 2017/11/30 | 7.17% | 2.81% | 48.39 | 3.83 | 13.61 |
| 2. | 2017/12/31 | 3.37% | 0.98% | 9.97 | 0.02 | 0.42 |
| 3. | 2018/01/31 | 1.08% | 5.62% | 0.75 | 22.72 | 4.14 |
| 4. | 2018/02/28 | -5.07% | -3.89% | 27.89 | 22.52 | 25.06 |
| 5. | 2018/03/31 | -2.64% | -2.69% | 8.11 | 12.53 | 10.08 |
| 6. | 2018/04/30 | -0.11% | 0.27% | 0.10 | 0.34 | 0.19 |
| 7. | 2018/05/31 | -0.86% | 2.16% | 1.14 | 1.71 | -1.40 |
| 8. | 2018/06/30 | 5.37% | 0.48% | 26.61 | 0.13 | -1.89 |
| 9. | 2018/07/31 | 9.15% | 3.60% | 79.92 | 7.57 | 24.59 |
| 10. | 2018/08/31 | -1.36% | 3.03% | 2.45 | 4.73 | -3.41 |
| 11. | 2018/09/30 | 4.39% | 0.43% | 17.49 | 0.18 | -1.76 |
| 12. | 2018/10/31 | -1.80% | -6.94% | 4.06 | 60.71 | 15.70 |
| 13. | 2018/11/30 | 0.57% | 1.79% | 0.13 | 0.87 | 0.34 |
| 14. | 2018/12/31 | -4.29% | -9.18% | 20.30 | 100.58 | 45.18 |
| 15. | 2019/01/31 | 1.71% | 7.87% | 2.24 | 49.24 | 10.49 |
| 16. | 2019/02/28 | 1.18% | 2.97% | 0.95 | 4.50 | 2.07 |
| 17. | 2019/03/31 | -1.60% | 1.79% | 3.29 | 0.89 | -1.71 |
| 18. | 2019/04/30 | 23.36% | 3.93% | 536.05 | 9.49 | 71.31 |
| 19. | 2019/05/31 | -3.60% | -6.58% | 14.51 | 55.19 | 28.30 |
| 20. | 2019/06/30 | 5.76% | 6.89% | 30.75 | 36.50 | 33.50 |
| 21. | 2019/07/31 | 3.04% | 1.31% | 8.03 | 0.21 | 1.31 |
| 22. | 2019/08/31 | -4.02% | -1.81% | 17.90 | 7.08 | 11.26 |
| 23. | 2019/09/30 | -5.06% | 1.72% | 27.74 | 0.75 | -4.57 |
| 24. | 2019/10/31 | -0.31% | 2.04% | 0.27 | 1.42 | -0.62 |
| 25. | 2019/11/30 | 16.67% | 3.40% | 270.98 | 6.52 | 42.03 |
| 26. | 2019/12/31 | -4.00% | 2.86% | 17.76 | 4.03 | -8.46 |
| 27. | 2020/01/31 | -4.37% | -0.16% | 20.98 | 1.03 | 4.64 |
| 28. | 2020/02/29 | -14.94% | -8.41% | 229.45 | 85.79 | 140.30 |
| 29. | 2020/03/31 | -17.89% | -12.51% | 327.70 | 178.57 | 241.91 |
| 30. | 2020/04/30 | 11.96% | 12.68% | 137.97 | 140.02 | 138.99 |
| 31. | 2020/05/31 | 8.46% | 4.53% | 68.07 | 13.52 | 30.34 |
| 32. | 2020/06/30 | -4.94% | 1.84% | 26.49 | 0.98 | -5.08 |
| 33. | 2020/07/31 | 4.87% | 5.51% | 21.71 | 21.71 | 21.71 |
| 34. | 2020/08/31 | 12.77% | 7.01% | 157.68 | 37.89 | 77.29 |
| 35. | 2020/09/30 | -5.91% | -3.92% | 37.43 | 22.79 | 29.21 |
| 36. | 2020/10/31 | -2.28% | -2.77% | 6.21 | 13.09 | 9.01 |
| 37. | 2020/11/30 | 22.07% | 10.75% | 477.85 | 98.08 | 216.48 |
| 38. | 2020/12/31 | 22.41% | 3.71% | 492.85 | 8.18 | 63.51 |
| 39. | 2021/01/31 | -7.18% | -1.11% | 54.63 | 3.86 | 14.52 |
| 40. | 2021/02/28 | 12.41% | 2.61% | 148.83 | 3.09 | 21.45 |
| 41. | 2021/03/31 | -2.39% | 4.24% | 6.77 | 11.51 | -8.83 |
| 42. | 2021/04/30 | 0.81% | 5.24% | 0.36 | 19.28 | 2.65 |
| 43. | 2021/05/31 | -3.96% | 0.55% | 17.41 | 0.09 | 1.26 |
| 44. | 2021/06/30 | -1.61% | 2.22% | 3.32 | 1.88 | -2.50 |
| 45. | 2021/07/31 | 0.14% | 2.27% | 0.00 | 2.03 | -0.10 |
| 46. | 2021/08/31 | 3.00% | 2.90% | 7.78 | 4.19 | 5.71 |
| 47. | 2021/09/30 | -6.69% | -4.76% | 47.62 | 31.45 | 38.70 |
| 48. | 2021/10/31 | -0.06% | 6.91% | 0.07 | 36.76 | -1.63 |
| 49. | 2021/11/30 | -14.30% | -0.83% | 210.43 | 2.84 | 24.44 |
| 50. | 2021/12/31 | 6.89% | 4.36% | 44.68 | 12.32 | 23.46 |
| 51. | 2022/01/31 | -7.70% | -5.26% | 62.51 | 37.33 | 48.30 |
| 52. | 2022/02/28 | 3.84% | -3.14% | 13.17 | 15.90 | -14.47 |
| 53. | 2022/03/31 | -7.61% | 3.58% | 61.18 | 7.43 | -21.32 |
| 54. | 2022/04/30 | -18.61% | -8.80% | 354.33 | 93.06 | 181.59 |
| 55. | 2022/05/31 | -1.07% | 0.01% | 1.63 | 0.72 | 1.08 |
| 56. | 2022/06/30 | -14.52% | -8.39% | 217.09 | 85.44 | 136.19 |
| 57. | 2022/07/31 | 12.39% | 9.11% | 148.44 | 68.23 | 100.64 |
| 58. | 2022/08/31 | 5.64% | -4.24% | 29.44 | 25.96 | -27.65 |
| 59. | 2022/09/30 | -15.84% | -9.34% | 257.51 | 103.85 | 163.53 |
| 60. | 2022/10/31 | 12.94% | 7.99% | 162.14 | 50.91 | 90.86 |
| 61. | 2022/11/30 | -8.14% | 5.38% | 69.69 | 20.47 | -37.77 |
| 62. | 2022/12/31 | -11.23% | -5.90% | 130.86 | 45.54 | 77.20 |
| 63. | 2023/01/31 | 24.87% | 6.18% | 608.27 | 28.35 | 131.31 |
| 64. | 2023/02/28 | -8.19% | -2.61% | 70.48 | 11.99 | 29.07 |
| 65. | 2023/03/31 | 0.52% | 3.51% | 0.10 | 7.04 | 0.83 |
| 66. | 2023/04/30 | 2.37% | 1.46% | 4.65 | 0.38 | 1.32 |
| 67. | 2023/05/31 | -14.19% | 0.25% | 207.24 | 0.36 | 8.68 |
| 68. | 2023/06/30 | 1.50% | 4.71% | 1.67 | 14.92 | 4.98 |
| 69. | 2023/07/31 | -0.44% | 4.85% | 0.42 | 15.96 | -2.59 |
| 70. | 2023/08/31 | -5.86% | -1.77% | 36.86 | 6.88 | 15.92 |
| 71. | 2023/09/30 | -3.14% | -4.87% | 11.24 | 32.75 | 19.19 |
| トータル (Σ): | 6,172.98 | 1,838.69 | 2,310.12 | |||
すべて表示
分散DIS = Σ(RDIS,t–RDIS)2 ÷ (71 – 1)
= 6,172.98 ÷ (71 – 1)
= 88.19
分散S&P 500 = Σ(RS&P 500,t–RS&P 500)2 ÷ (71 – 1)
= 1,838.69 ÷ (71 – 1)
= 26.27
共 分散DIS, S&P 500 = Σ(RDIS,t–RDIS)×(RS&P 500,t–RS&P 500) ÷ (71 – 1)
= 2,310.12 ÷ (71 – 1)
= 33.00
システマティックリスク推定 (β)
| 分散DIS | 88.19 |
| 分散S&P 500 | 26.27 |
| 共 分散DIS, S&P 500 | 33.00 |
| 相関係数DIS, S&P 5001 | 0.69 |
| βDIS2 | 1.26 |
| αDIS3 | -0.86% |
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)
= 33.00 ÷ (9.39% × 5.13%)
= 0.69
2 βDIS
= 共 分散DIS, S&P 500 ÷ 分散S&P 500
= 33.00 ÷ 26.27
= 1.26
3 αDIS
= 平均DIS – βDIS × 平均S&P 500
= 0.21% – 1.26 × 0.85%
= -0.86%
期待収益率
| 仮定 | ||
| LT財務省総合の収益率1 | RF | 4.81% |
| 市場ポートフォリオの期待収益率2 | E(RM) | 13.54% |
| 普通株式 Disney システマティックリスク | βDIS | 1.26 |
| ディズニー普通株式の期待収益率3 | E(RDIS) | 15.77% |
1 10年以内に期限が到来またはコール可能でないすべての固定クーポン米国債の入札利回りの非加重平均(リスクフリー収益率プロキシ)。
2 詳細を見る »
3 E(RDIS) = RF + βDIS [E(RM) – RF]
= 4.81% + 1.26 [13.54% – 4.81%]
= 15.77%