Capital asset pricing model (CAPM) indicates what should be the expected or required rate of return on risky assets like Teradyne Inc. common stock.
Rates of Return
Teradyne Inc. (TER) | Standard & Poor’s 500 (S&P 500) | |||||
---|---|---|---|---|---|---|
t | Date | PriceTER,t1 | DividendTER,t1 | RTER,t2 | PriceS&P 500,t | RS&P 500,t3 |
Jan 31, 2019 | $35.99 | 2,704.10 | ||||
1. | Feb 28, 2019 | $40.83 | $0.09 | 13.70% | 2,784.49 | 2.97% |
2. | Mar 31, 2019 | $39.84 | -2.42% | 2,834.40 | 1.79% | |
3. | Apr 30, 2019 | $49.00 | 22.99% | 2,945.83 | 3.93% | |
. | . | . | . | . | . | . |
. | . | . | . | . | . | . |
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58. | Nov 30, 2023 | $92.23 | $0.11 | 10.89% | 4,567.80 | 8.92% |
59. | Dec 31, 2023 | $108.52 | 17.66% | 4,769.83 | 4.42% | |
Average (R): | 2.63% | 1.11% | ||||
Standard deviation: | 11.94% | 5.31% |
Teradyne Inc. (TER) | Standard & Poor’s 500 (S&P 500) | |||||
---|---|---|---|---|---|---|
t | Date | PriceTER,t1 | DividendTER,t1 | RTER,t2 | PriceS&P 500,t | RS&P 500,t3 |
Jan 31, 2019 | $35.99 | 2,704.10 | ||||
1. | Feb 28, 2019 | $40.83 | $0.09 | 13.70% | 2,784.49 | 2.97% |
2. | Mar 31, 2019 | $39.84 | -2.42% | 2,834.40 | 1.79% | |
3. | Apr 30, 2019 | $49.00 | 22.99% | 2,945.83 | 3.93% | |
4. | May 31, 2019 | $42.14 | $0.09 | -13.82% | 2,752.06 | -6.58% |
5. | Jun 30, 2019 | $47.91 | 13.69% | 2,941.76 | 6.89% | |
6. | Jul 31, 2019 | $55.73 | 16.32% | 2,980.38 | 1.31% | |
7. | Aug 31, 2019 | $52.97 | -4.95% | 2,926.46 | -1.81% | |
8. | Sep 30, 2019 | $57.91 | $0.09 | 9.50% | 2,976.74 | 1.72% |
9. | Oct 31, 2019 | $61.22 | 5.72% | 3,037.56 | 2.04% | |
10. | Nov 30, 2019 | $62.59 | $0.09 | 2.38% | 3,140.98 | 3.40% |
11. | Dec 31, 2019 | $68.19 | 8.95% | 3,230.78 | 2.86% | |
12. | Jan 31, 2020 | $65.99 | -3.23% | 3,225.52 | -0.16% | |
13. | Feb 29, 2020 | $58.76 | $0.10 | -10.80% | 2,954.22 | -8.41% |
14. | Mar 31, 2020 | $54.17 | -7.81% | 2,584.59 | -12.51% | |
15. | Apr 30, 2020 | $62.54 | 15.45% | 2,912.43 | 12.68% | |
16. | May 31, 2020 | $67.02 | $0.10 | 7.32% | 3,044.31 | 4.53% |
17. | Jun 30, 2020 | $84.51 | 26.10% | 3,100.29 | 1.84% | |
18. | Jul 31, 2020 | $88.96 | 5.27% | 3,271.12 | 5.51% | |
19. | Aug 31, 2020 | $84.97 | -4.49% | 3,500.31 | 7.01% | |
20. | Sep 30, 2020 | $79.46 | $0.10 | -6.37% | 3,363.00 | -3.92% |
21. | Oct 31, 2020 | $87.85 | 10.56% | 3,269.96 | -2.77% | |
22. | Nov 30, 2020 | $110.34 | $0.10 | 25.71% | 3,621.63 | 10.75% |
23. | Dec 31, 2020 | $119.89 | 8.66% | 3,756.07 | 3.71% | |
24. | Jan 31, 2021 | $113.48 | -5.35% | 3,714.24 | -1.11% | |
25. | Feb 28, 2021 | $128.61 | $0.10 | 13.42% | 3,811.15 | 2.61% |
26. | Mar 31, 2021 | $121.68 | -5.39% | 3,972.89 | 4.24% | |
27. | Apr 30, 2021 | $125.08 | 2.79% | 4,181.17 | 5.24% | |
28. | May 31, 2021 | $132.35 | $0.10 | 5.89% | 4,204.11 | 0.55% |
29. | Jun 30, 2021 | $133.96 | 1.22% | 4,297.50 | 2.22% | |
30. | Jul 31, 2021 | $127.00 | -5.20% | 4,395.26 | 2.27% | |
31. | Aug 31, 2021 | $121.44 | $0.10 | -4.30% | 4,522.68 | 2.90% |
32. | Sep 30, 2021 | $109.17 | -10.10% | 4,307.54 | -4.76% | |
33. | Oct 31, 2021 | $138.24 | 26.63% | 4,605.38 | 6.91% | |
34. | Nov 30, 2021 | $152.87 | $0.10 | 10.66% | 4,567.00 | -0.83% |
35. | Dec 31, 2021 | $163.53 | 6.97% | 4,766.18 | 4.36% | |
36. | Jan 31, 2022 | $117.43 | -28.19% | 4,515.55 | -5.26% | |
37. | Feb 28, 2022 | $117.92 | $0.11 | 0.51% | 4,373.94 | -3.14% |
38. | Mar 31, 2022 | $118.23 | 0.26% | 4,530.41 | 3.58% | |
39. | Apr 30, 2022 | $105.46 | -10.80% | 4,131.93 | -8.80% | |
40. | May 31, 2022 | $109.26 | $0.11 | 3.71% | 4,132.15 | 0.01% |
41. | Jun 30, 2022 | $89.55 | -18.04% | 3,785.38 | -8.39% | |
42. | Jul 31, 2022 | $100.89 | 12.66% | 4,130.29 | 9.11% | |
43. | Aug 31, 2022 | $84.64 | $0.11 | -16.00% | 3,955.00 | -4.24% |
44. | Sep 30, 2022 | $75.15 | -11.21% | 3,585.62 | -9.34% | |
45. | Oct 31, 2022 | $81.35 | 8.25% | 3,871.98 | 7.99% | |
46. | Nov 30, 2022 | $93.45 | $0.11 | 15.01% | 4,080.11 | 5.38% |
47. | Dec 31, 2022 | $87.35 | -6.53% | 3,839.50 | -5.90% | |
48. | Jan 31, 2023 | $101.70 | 16.43% | 4,076.60 | 6.18% | |
49. | Feb 28, 2023 | $101.14 | $0.11 | -0.44% | 3,970.15 | -2.61% |
50. | Mar 31, 2023 | $107.51 | 6.30% | 4,109.31 | 3.51% | |
51. | Apr 30, 2023 | $91.38 | -15.00% | 4,169.48 | 1.46% | |
52. | May 31, 2023 | $100.19 | $0.11 | 9.76% | 4,179.83 | 0.25% |
53. | Jun 30, 2023 | $111.33 | 11.12% | 4,376.86 | 4.71% | |
54. | Jul 31, 2023 | $112.94 | 1.45% | 4,588.96 | 4.85% | |
55. | Aug 31, 2023 | $107.87 | $0.11 | -4.39% | 4,507.66 | -1.77% |
56. | Sep 30, 2023 | $100.46 | -6.87% | 4,288.05 | -4.87% | |
57. | Oct 31, 2023 | $83.27 | -17.11% | 4,193.80 | -2.20% | |
58. | Nov 30, 2023 | $92.23 | $0.11 | 10.89% | 4,567.80 | 8.92% |
59. | Dec 31, 2023 | $108.52 | 17.66% | 4,769.83 | 4.42% | |
Average (R): | 2.63% | 1.11% | ||||
Standard deviation: | 11.94% | 5.31% |
Show all
1 Data in US$ per share of common stock, adjusted for splits and stock dividends.
2 Rate of return on common stock of TER during period t
3 Rate of return on S&P 500 (the market portfolio proxy) during period t
Variance and Covariance
t | Date | RTER,t | RS&P 500,t | (RTER,t–RTER)2 | (RS&P 500,t–RS&P 500)2 | (RTER,t–RTER)×(RS&P 500,t–RS&P 500) |
---|---|---|---|---|---|---|
1. | Feb 28, 2019 | 13.70% | 2.97% | 122.53 | 3.49 | 20.67 |
2. | Mar 31, 2019 | -2.42% | 1.79% | 25.54 | 0.47 | -3.47 |
3. | Apr 30, 2019 | 22.99% | 3.93% | 414.66 | 7.98 | 57.54 |
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58. | Nov 30, 2023 | 10.89% | 8.92% | 68.29 | 61.03 | 64.56 |
59. | Dec 31, 2023 | 17.66% | 4.42% | 226.01 | 11.00 | 49.87 |
Total (Σ): | 8,264.99 | 1,634.30 | 2,554.74 |
t | Date | RTER,t | RS&P 500,t | (RTER,t–RTER)2 | (RS&P 500,t–RS&P 500)2 | (RTER,t–RTER)×(RS&P 500,t–RS&P 500) |
---|---|---|---|---|---|---|
1. | Feb 28, 2019 | 13.70% | 2.97% | 122.53 | 3.49 | 20.67 |
2. | Mar 31, 2019 | -2.42% | 1.79% | 25.54 | 0.47 | -3.47 |
3. | Apr 30, 2019 | 22.99% | 3.93% | 414.66 | 7.98 | 57.54 |
4. | May 31, 2019 | -13.82% | -6.58% | 270.44 | 59.04 | 126.36 |
5. | Jun 30, 2019 | 13.69% | 6.89% | 122.40 | 33.49 | 64.03 |
6. | Jul 31, 2019 | 16.32% | 1.31% | 187.51 | 0.04 | 2.83 |
7. | Aug 31, 2019 | -4.95% | -1.81% | 57.48 | 8.50 | 22.10 |
8. | Sep 30, 2019 | 9.50% | 1.72% | 47.16 | 0.37 | 4.20 |
9. | Oct 31, 2019 | 5.72% | 2.04% | 9.53 | 0.88 | 2.89 |
10. | Nov 30, 2019 | 2.38% | 3.40% | 0.06 | 5.28 | -0.56 |
11. | Dec 31, 2019 | 8.95% | 2.86% | 39.92 | 3.07 | 11.08 |
12. | Jan 31, 2020 | -3.23% | -0.16% | 34.28 | 1.61 | 7.43 |
13. | Feb 29, 2020 | -10.80% | -8.41% | 180.46 | 90.57 | 127.84 |
14. | Mar 31, 2020 | -7.81% | -12.51% | 109.00 | 185.44 | 142.17 |
15. | Apr 30, 2020 | 15.45% | 12.68% | 164.42 | 134.06 | 148.47 |
16. | May 31, 2020 | 7.32% | 4.53% | 22.04 | 11.71 | 16.07 |
17. | Jun 30, 2020 | 26.10% | 1.84% | 550.74 | 0.54 | 17.20 |
18. | Jul 31, 2020 | 5.27% | 5.51% | 6.95 | 19.40 | 11.61 |
19. | Aug 31, 2020 | -4.49% | 7.01% | 50.61 | 34.82 | -41.98 |
20. | Sep 30, 2020 | -6.37% | -3.92% | 80.92 | 25.29 | 45.24 |
21. | Oct 31, 2020 | 10.56% | -2.77% | 62.88 | 15.00 | -30.71 |
22. | Nov 30, 2020 | 25.71% | 10.75% | 532.94 | 93.10 | 222.75 |
23. | Dec 31, 2020 | 8.66% | 3.71% | 36.32 | 6.79 | 15.71 |
24. | Jan 31, 2021 | -5.35% | -1.11% | 63.61 | 4.93 | 17.70 |
25. | Feb 28, 2021 | 13.42% | 2.61% | 116.47 | 2.26 | 16.22 |
26. | Mar 31, 2021 | -5.39% | 4.24% | 64.27 | 9.85 | -25.16 |
27. | Apr 30, 2021 | 2.79% | 5.24% | 0.03 | 17.11 | 0.68 |
28. | May 31, 2021 | 5.89% | 0.55% | 10.65 | 0.31 | -1.82 |
29. | Jun 30, 2021 | 1.22% | 2.22% | 1.99 | 1.24 | -1.58 |
30. | Jul 31, 2021 | -5.20% | 2.27% | 61.22 | 1.37 | -9.15 |
31. | Aug 31, 2021 | -4.30% | 2.90% | 48.00 | 3.22 | -12.42 |
32. | Sep 30, 2021 | -10.10% | -4.76% | 162.12 | 34.37 | 74.65 |
33. | Oct 31, 2021 | 26.63% | 6.91% | 575.97 | 33.74 | 139.40 |
34. | Nov 30, 2021 | 10.66% | -0.83% | 64.43 | 3.76 | -15.57 |
35. | Dec 31, 2021 | 6.97% | 4.36% | 18.87 | 10.60 | 14.14 |
36. | Jan 31, 2022 | -28.19% | -5.26% | 949.83 | 40.51 | 196.15 |
37. | Feb 28, 2022 | 0.51% | -3.14% | 4.49 | 17.99 | 8.98 |
38. | Mar 31, 2022 | 0.26% | 3.58% | 5.60 | 6.11 | -5.85 |
39. | Apr 30, 2022 | -10.80% | -8.80% | 180.36 | 98.04 | 132.98 |
40. | May 31, 2022 | 3.71% | 0.01% | 1.16 | 1.21 | -1.19 |
41. | Jun 30, 2022 | -18.04% | -8.39% | 427.18 | 90.21 | 196.30 |
42. | Jul 31, 2022 | 12.66% | 9.11% | 100.69 | 64.09 | 80.33 |
43. | Aug 31, 2022 | -16.00% | -4.24% | 346.94 | 28.62 | 99.65 |
44. | Sep 30, 2022 | -11.21% | -9.34% | 191.57 | 109.11 | 144.57 |
45. | Oct 31, 2022 | 8.25% | 7.99% | 31.60 | 47.34 | 38.68 |
46. | Nov 30, 2022 | 15.01% | 5.38% | 153.28 | 18.23 | 52.86 |
47. | Dec 31, 2022 | -6.53% | -5.90% | 83.84 | 49.04 | 64.12 |
48. | Jan 31, 2023 | 16.43% | 6.18% | 190.42 | 25.70 | 69.96 |
49. | Feb 28, 2023 | -0.44% | -2.61% | 9.43 | 13.82 | 11.42 |
50. | Mar 31, 2023 | 6.30% | 3.51% | 13.46 | 5.76 | 8.80 |
51. | Apr 30, 2023 | -15.00% | 1.46% | 310.89 | 0.13 | -6.32 |
52. | May 31, 2023 | 9.76% | 0.25% | 50.87 | 0.74 | -6.12 |
53. | Jun 30, 2023 | 11.12% | 4.71% | 72.08 | 13.02 | 30.63 |
54. | Jul 31, 2023 | 1.45% | 4.85% | 1.40 | 13.99 | -4.42 |
55. | Aug 31, 2023 | -4.39% | -1.77% | 49.29 | 8.28 | 20.20 |
56. | Sep 30, 2023 | -6.87% | -4.87% | 90.22 | 35.73 | 56.78 |
57. | Oct 31, 2023 | -17.11% | -2.20% | 389.67 | 10.92 | 65.22 |
58. | Nov 30, 2023 | 10.89% | 8.92% | 68.29 | 61.03 | 64.56 |
59. | Dec 31, 2023 | 17.66% | 4.42% | 226.01 | 11.00 | 49.87 |
Total (Σ): | 8,264.99 | 1,634.30 | 2,554.74 |
Show all
VarianceTER = Σ(RTER,t–RTER)2 ÷ (59 – 1)
= 8,264.99 ÷ (59 – 1)
= 142.50
VarianceS&P 500 = Σ(RS&P 500,t–RS&P 500)2 ÷ (59 – 1)
= 1,634.30 ÷ (59 – 1)
= 28.18
CovarianceTER, S&P 500 = Σ(RTER,t–RTER)×(RS&P 500,t–RS&P 500) ÷ (59 – 1)
= 2,554.74 ÷ (59 – 1)
= 44.05
Systematic Risk (β) Estimation
VarianceTER | 142.50 |
VarianceS&P 500 | 28.18 |
CovarianceTER, S&P 500 | 44.05 |
Correlation coefficientTER, S&P 5001 | 0.70 |
βTER2 | 1.56 |
αTER3 | 0.90% |
Calculations
1 Correlation coefficientTER, S&P 500
= CovarianceTER, S&P 500 ÷ (Standard deviationTER × Standard deviationS&P 500)
= 44.05 ÷ (11.94% × 5.31%)
= 0.70
2 βTER
= CovarianceTER, S&P 500 ÷ VarianceS&P 500
= 44.05 ÷ 28.18
= 1.56
3 αTER
= AverageTER – βTER × AverageS&P 500
= 2.63% – 1.56 × 1.11%
= 0.90%
Expected Rate of Return
Assumptions | ||
Rate of return on LT Treasury Composite1 | RF | 4.67% |
Expected rate of return on market portfolio2 | E(RM) | 13.79% |
Systematic risk (β) of Teradyne Inc. common stock | βTER | 1.56 |
Expected rate of return on Teradyne Inc. common stock3 | E(RTER) | 18.92% |
1 Unweighted average of bid yields on all outstanding fixed-coupon U.S. Treasury bonds neither due or callable in less than 10 years (risk-free rate of return proxy).
3 E(RTER) = RF + βTER [E(RM) – RF]
= 4.67% + 1.56 [13.79% – 4.67%]
= 18.92%