資本資産価格モデル(CAPM)は、 Kraft Foods Group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
| Kraft Foods Group Inc. (KRFT) | Standard & Poor’s 500 (S&P 500) | |||||
|---|---|---|---|---|---|---|
| t | 日付 | 価格KRFT,t1 | 配当KRFT,t1 | RKRFT,t2 | 価格S&P 500,t | RS&P 500,t3 |
| 2012/09/30 | $44.63 | 1,440.67 | ||||
| 1. | 2012/10/31 | $45.46 | 1.86% | 1,412.16 | -1.98% | |
| 2. | 2012/11/30 | $45.24 | -0.48% | 1,416.18 | 0.28% | |
| 3. | 2012/12/31 | $45.47 | $0.50 | 1.61% | 1,426.19 | 0.71% |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| 26. | 2014/11/30 | $60.17 | 6.78% | 2,067.56 | 2.45% | |
| 27. | 2014/12/31 | $62.66 | $0.55 | 5.05% | 2,058.90 | -0.42% |
| 平均 (R): | 1.69% | 1.36% | ||||
| 標準偏差: | 4.49% | 2.41% | ||||
| Kraft Foods Group Inc. (KRFT) | Standard & Poor’s 500 (S&P 500) | |||||
|---|---|---|---|---|---|---|
| t | 日付 | 価格KRFT,t1 | 配当KRFT,t1 | RKRFT,t2 | 価格S&P 500,t | RS&P 500,t3 |
| 2012/09/30 | $44.63 | 1,440.67 | ||||
| 1. | 2012/10/31 | $45.46 | 1.86% | 1,412.16 | -1.98% | |
| 2. | 2012/11/30 | $45.24 | -0.48% | 1,416.18 | 0.28% | |
| 3. | 2012/12/31 | $45.47 | $0.50 | 1.61% | 1,426.19 | 0.71% |
| 4. | 2013/01/31 | $46.22 | 1.65% | 1,498.11 | 5.04% | |
| 5. | 2013/02/28 | $48.48 | 4.89% | 1,514.68 | 1.11% | |
| 6. | 2013/03/31 | $51.53 | $0.50 | 7.32% | 1,569.19 | 3.60% |
| 7. | 2013/04/30 | $51.49 | -0.08% | 1,597.57 | 1.81% | |
| 8. | 2013/05/31 | $55.13 | 7.07% | 1,630.74 | 2.08% | |
| 9. | 2013/06/30 | $55.87 | $0.50 | 2.25% | 1,606.28 | -1.50% |
| 10. | 2013/07/31 | $56.58 | 1.27% | 1,685.73 | 4.95% | |
| 11. | 2013/08/31 | $51.77 | -8.50% | 1,632.97 | -3.13% | |
| 12. | 2013/09/30 | $52.48 | 1.37% | 1,681.55 | 2.97% | |
| 13. | 2013/10/31 | $54.38 | $0.525 | 4.62% | 1,756.54 | 4.46% |
| 14. | 2013/11/30 | $53.12 | -2.32% | 1,805.81 | 2.80% | |
| 15. | 2013/12/31 | $53.91 | $0.525 | 2.48% | 1,848.36 | 2.36% |
| 16. | 2014/01/31 | $52.35 | -2.89% | 1,782.59 | -3.56% | |
| 17. | 2014/02/28 | $55.27 | 5.58% | 1,859.45 | 4.31% | |
| 18. | 2014/03/31 | $56.10 | 1.50% | 1,872.34 | 0.69% | |
| 19. | 2014/04/30 | $56.86 | $0.525 | 2.29% | 1,883.95 | 0.62% |
| 20. | 2014/05/31 | $59.46 | 4.57% | 1,923.57 | 2.10% | |
| 21. | 2014/06/30 | $59.95 | 0.82% | 1,960.23 | 1.91% | |
| 22. | 2014/07/31 | $53.59 | $0.525 | -9.73% | 1,930.67 | -1.51% |
| 23. | 2014/08/31 | $58.90 | 9.91% | 2,003.37 | 3.77% | |
| 24. | 2014/09/30 | $56.40 | -4.24% | 1,972.29 | -1.55% | |
| 25. | 2014/10/31 | $56.35 | $0.55 | 0.89% | 2,018.05 | 2.32% |
| 26. | 2014/11/30 | $60.17 | 6.78% | 2,067.56 | 2.45% | |
| 27. | 2014/12/31 | $62.66 | $0.55 | 5.05% | 2,058.90 | -0.42% |
| 平均 (R): | 1.69% | 1.36% | ||||
| 標準偏差: | 4.49% | 2.41% | ||||
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KRFT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の代理)の収益率。
分散と共分散
| t | 日付 | RKRFT,t | RS&P 500,t | (RKRFT,t–RKRFT)2 | (RS&P 500,t–RS&P 500)2 | (RKRFT,t–RKRFT)×(RS&P 500,t–RS&P 500) |
|---|---|---|---|---|---|---|
| 1. | 2012/10/31 | 1.86% | -1.98% | 0.03 | 11.14 | -0.58 |
| 2. | 2012/11/30 | -0.48% | 0.28% | 4.71 | 1.15 | 2.33 |
| 3. | 2012/12/31 | 1.61% | 0.71% | 0.01 | 0.43 | 0.05 |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| 26. | 2014/11/30 | 6.78% | 2.45% | 25.93 | 1.20 | 5.57 |
| 27. | 2014/12/31 | 5.05% | -0.42% | 11.33 | 3.16 | -5.98 |
| トータル (Σ): | 525.18 | 151.09 | 166.74 | |||
| t | 日付 | RKRFT,t | RS&P 500,t | (RKRFT,t–RKRFT)2 | (RS&P 500,t–RS&P 500)2 | (RKRFT,t–RKRFT)×(RS&P 500,t–RS&P 500) |
|---|---|---|---|---|---|---|
| 1. | 2012/10/31 | 1.86% | -1.98% | 0.03 | 11.14 | -0.58 |
| 2. | 2012/11/30 | -0.48% | 0.28% | 4.71 | 1.15 | 2.33 |
| 3. | 2012/12/31 | 1.61% | 0.71% | 0.01 | 0.43 | 0.05 |
| 4. | 2013/01/31 | 1.65% | 5.04% | 0.00 | 13.57 | -0.14 |
| 5. | 2013/02/28 | 4.89% | 1.11% | 10.26 | 0.06 | -0.81 |
| 6. | 2013/03/31 | 7.32% | 3.60% | 31.77 | 5.02 | 12.62 |
| 7. | 2013/04/30 | -0.08% | 1.81% | 3.11 | 0.20 | -0.79 |
| 8. | 2013/05/31 | 7.07% | 2.08% | 28.98 | 0.51 | 3.86 |
| 9. | 2013/06/30 | 2.25% | -1.50% | 0.32 | 8.17 | -1.61 |
| 10. | 2013/07/31 | 1.27% | 4.95% | 0.17 | 12.87 | -1.49 |
| 11. | 2013/08/31 | -8.50% | -3.13% | 103.79 | 20.15 | 45.73 |
| 12. | 2013/09/30 | 1.37% | 2.97% | 0.10 | 2.61 | -0.51 |
| 13. | 2013/10/31 | 4.62% | 4.46% | 8.61 | 9.61 | 9.10 |
| 14. | 2013/11/30 | -2.32% | 2.80% | 16.03 | 2.09 | -5.79 |
| 15. | 2013/12/31 | 2.48% | 2.36% | 0.62 | 0.99 | 0.79 |
| 16. | 2014/01/31 | -2.89% | -3.56% | 20.98 | 24.18 | 22.52 |
| 17. | 2014/02/28 | 5.58% | 4.31% | 15.14 | 8.72 | 11.49 |
| 18. | 2014/03/31 | 1.50% | 0.69% | 0.03 | 0.44 | 0.12 |
| 19. | 2014/04/30 | 2.29% | 0.62% | 0.36 | 0.55 | -0.45 |
| 20. | 2014/05/31 | 4.57% | 2.10% | 8.33 | 0.55 | 2.15 |
| 21. | 2014/06/30 | 0.82% | 1.91% | 0.74 | 0.30 | -0.47 |
| 22. | 2014/07/31 | -9.73% | -1.51% | 130.41 | 8.22 | 32.74 |
| 23. | 2014/08/31 | 9.91% | 3.77% | 67.60 | 5.79 | 19.79 |
| 24. | 2014/09/30 | -4.24% | -1.55% | 35.18 | 8.47 | 17.26 |
| 25. | 2014/10/31 | 0.89% | 2.32% | 0.64 | 0.92 | -0.77 |
| 26. | 2014/11/30 | 6.78% | 2.45% | 25.93 | 1.20 | 5.57 |
| 27. | 2014/12/31 | 5.05% | -0.42% | 11.33 | 3.16 | -5.98 |
| トータル (Σ): | 525.18 | 151.09 | 166.74 | |||
すべて表示
分散KRFT = Σ(RKRFT,t–RKRFT)2 ÷ (27 – 1)
= 525.18 ÷ (27 – 1)
= 20.20
分散S&P 500 = Σ(RS&P 500,t–RS&P 500)2 ÷ (27 – 1)
= 151.09 ÷ (27 – 1)
= 5.81
共 分散KRFT, S&P 500 = Σ(RKRFT,t–RKRFT)×(RS&P 500,t–RS&P 500) ÷ (27 – 1)
= 166.74 ÷ (27 – 1)
= 6.41
システマティックなリスク推定 (β)
| 分散KRFT | 20.20 |
| 分散S&P 500 | 5.81 |
| 共 分散KRFT, S&P 500 | 6.41 |
| 相関係数KRFT, S&P 5001 | 0.59 |
| βKRFT2 | 1.10 |
| αKRFT3 | 0.19% |
計算
1 相関係数KRFT, S&P 500
= 共 分散KRFT, S&P 500 ÷ (標準偏差KRFT × 標準偏差S&P 500)
= 6.41 ÷ (4.49% × 2.41%)
= 0.59
2 βKRFT
= 共 分散KRFT, S&P 500 ÷ 分散S&P 500
= 6.41 ÷ 5.81
= 1.10
3 αKRFT
= 平均KRFT – βKRFT × 平均S&P 500
= 1.69% – 1.10 × 1.36%
= 0.19%
期待収益率
| 仮定 | ||
| LT国債総合の収益率1 | RF | 4.76% |
| 市場ポートフォリオの期待収益率2 | E(RM) | 15.13% |
| 普通株式 Kraft Foods Group システマティックリスク | βKRFT | 1.10 |
| クラフトフーズグループ普通株式の期待収益率3 | E(RKRFT) | 16.21% |
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(RKRFT) = RF + βKRFT [E(RM) – RF]
= 4.76% + 1.10 [15.13% – 4.76%]
= 16.21%