Stock Analysis on Net
Stock Analysis on Net

Cisco Systems Inc. (NASDAQ:CSCO)

$24.99

Capital Asset Pricing Model (CAPM)

Microsoft Excel

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Rates of Return

Cisco Systems Inc., monthly rates of return

Microsoft Excel
Cisco Systems Inc. (CSCO) Standard & Poor’s 500 (S&P 500)
t Date PriceCSCO,t1 DividendCSCO,t1 RCSCO,t2 PriceS&P 500,t RS&P 500,t3
Aug 31, 2020
1. Sep 30, 2020
2. Oct 31, 2020
3. Nov 30, 2020
. . . . . . .
. . . . . . .
. . . . . . .
70. Jun 30, 2026
71. Jul 31, 2026
Average (R):
Standard deviation:
Cisco Systems Inc. (CSCO) Standard & Poor’s 500 (S&P 500)
t Date PriceCSCO,t1 DividendCSCO,t1 RCSCO,t2 PriceS&P 500,t RS&P 500,t3
Aug 31, 2020
1. Sep 30, 2020
2. Oct 31, 2020
3. Nov 30, 2020
4. Dec 31, 2020
5. Jan 31, 2021
6. Feb 28, 2021
7. Mar 31, 2021
8. Apr 30, 2021
9. May 31, 2021
10. Jun 30, 2021
11. Jul 31, 2021
12. Aug 31, 2021
13. Sep 30, 2021
14. Oct 31, 2021
15. Nov 30, 2021
16. Dec 31, 2021
17. Jan 31, 2022
18. Feb 28, 2022
19. Mar 31, 2022
20. Apr 30, 2022
21. May 31, 2022
22. Jun 30, 2022
23. Jul 31, 2022
24. Aug 31, 2022
25. Sep 30, 2022
26. Oct 31, 2022
27. Nov 30, 2022
28. Dec 31, 2022
29. Jan 31, 2023
30. Feb 28, 2023
31. Mar 31, 2023
32. Apr 30, 2023
33. May 31, 2023
34. Jun 30, 2023
35. Jul 31, 2023
36. Aug 31, 2023
37. Sep 30, 2023
38. Oct 31, 2023
39. Nov 30, 2023
40. Dec 31, 2023
41. Jan 31, 2024
42. Feb 29, 2024
43. Mar 31, 2024
44. Apr 30, 2024
45. May 31, 2024
46. Jun 30, 2024
47. Jul 31, 2024
48. Aug 31, 2024
49. Sep 30, 2024
50. Oct 31, 2024
51. Nov 30, 2024
52. Dec 31, 2024
53. Jan 31, 2025
54. Feb 28, 2025
55. Mar 31, 2025
56. Apr 30, 2025
57. May 31, 2025
58. Jun 30, 2025
59. Jul 31, 2025
60. Aug 31, 2025
61. Sep 30, 2025
62. Oct 31, 2025
63. Nov 30, 2025
64. Dec 31, 2025
65. Jan 31, 2026
66. Feb 28, 2026
67. Mar 31, 2026
68. Apr 30, 2026
69. May 31, 2026
70. Jun 30, 2026
71. Jul 31, 2026
Average (R):
Standard deviation:

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 CSCO during period t

3 Rate of return on S&P 500 (the market portfolio proxy) during period t


Variance and Covariance

Cisco Systems Inc., calculation of variance and covariance of returns

Microsoft Excel
t Date RCSCO,t RS&P 500,t (RCSCO,tRCSCO)2 (RS&P 500,tRS&P 500)2 (RCSCO,tRCSCO)×(RS&P 500,tRS&P 500)
1. Sep 30, 2020
2. Oct 31, 2020
3. Nov 30, 2020
. . . . . . .
. . . . . . .
. . . . . . .
70. Jun 30, 2026
71. Jul 31, 2026
Total (Σ):
t Date RCSCO,t RS&P 500,t (RCSCO,tRCSCO)2 (RS&P 500,tRS&P 500)2 (RCSCO,tRCSCO)×(RS&P 500,tRS&P 500)
1. Sep 30, 2020
2. Oct 31, 2020
3. Nov 30, 2020
4. Dec 31, 2020
5. Jan 31, 2021
6. Feb 28, 2021
7. Mar 31, 2021
8. Apr 30, 2021
9. May 31, 2021
10. Jun 30, 2021
11. Jul 31, 2021
12. Aug 31, 2021
13. Sep 30, 2021
14. Oct 31, 2021
15. Nov 30, 2021
16. Dec 31, 2021
17. Jan 31, 2022
18. Feb 28, 2022
19. Mar 31, 2022
20. Apr 30, 2022
21. May 31, 2022
22. Jun 30, 2022
23. Jul 31, 2022
24. Aug 31, 2022
25. Sep 30, 2022
26. Oct 31, 2022
27. Nov 30, 2022
28. Dec 31, 2022
29. Jan 31, 2023
30. Feb 28, 2023
31. Mar 31, 2023
32. Apr 30, 2023
33. May 31, 2023
34. Jun 30, 2023
35. Jul 31, 2023
36. Aug 31, 2023
37. Sep 30, 2023
38. Oct 31, 2023
39. Nov 30, 2023
40. Dec 31, 2023
41. Jan 31, 2024
42. Feb 29, 2024
43. Mar 31, 2024
44. Apr 30, 2024
45. May 31, 2024
46. Jun 30, 2024
47. Jul 31, 2024
48. Aug 31, 2024
49. Sep 30, 2024
50. Oct 31, 2024
51. Nov 30, 2024
52. Dec 31, 2024
53. Jan 31, 2025
54. Feb 28, 2025
55. Mar 31, 2025
56. Apr 30, 2025
57. May 31, 2025
58. Jun 30, 2025
59. Jul 31, 2025
60. Aug 31, 2025
61. Sep 30, 2025
62. Oct 31, 2025
63. Nov 30, 2025
64. Dec 31, 2025
65. Jan 31, 2026
66. Feb 28, 2026
67. Mar 31, 2026
68. Apr 30, 2026
69. May 31, 2026
70. Jun 30, 2026
71. Jul 31, 2026
Total (Σ):

Show all

VarianceCSCO = Σ(RCSCO,tRCSCO)2 ÷ (71 – 1)
= ÷ (71 – 1)
=

VarianceS&P 500 = Σ(RS&P 500,tRS&P 500)2 ÷ (71 – 1)
= ÷ (71 – 1)
=

CovarianceCSCO, S&P 500 = Σ(RCSCO,tRCSCO)×(RS&P 500,tRS&P 500) ÷ (71 – 1)
= ÷ (71 – 1)
=


Systematic Risk (β) Estimation

Microsoft Excel
VarianceCSCO
VarianceS&P 500
CovarianceCSCO, S&P 500
Correlation coefficientCSCO, S&P 5001
βCSCO2
αCSCO3

Calculations

1 Correlation coefficientCSCO, S&P 500
= CovarianceCSCO, S&P 500 ÷ (Standard deviationCSCO × Standard deviationS&P 500)
= ÷ ( × )
=

2 βCSCO
= CovarianceCSCO, S&P 500 ÷ VarianceS&P 500
= ÷
=

3 αCSCO
= AverageCSCO – βCSCO × AverageS&P 500
= ×
=


Expected Rate of Return

Microsoft Excel
Assumptions
Rate of return on LT Treasury Composite1 RF
Expected rate of return on market portfolio2 E(RM)
Systematic risk (β) of Cisco Systems Inc. common stock βCSCO
 
Expected rate of return on Cisco Systems Inc. common stock3 E(RCSCO)

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).

2 See details »

3 E(RCSCO) = RF + βCSCO [E(RM) – RF]
= + []
=