Capital Asset Pricing Model (CAPM)
Capital asset pricing model (CAPM) indicates what should be the expected or required rate of return on risky assets like Monolithic Power Systems Inc. common stock.
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Monolithic Power Systems Inc. pages available for free this week:
- Balance Sheet: Liabilities and Stockholders’ Equity
- Common-Size Income Statement
- Common-Size Balance Sheet: Liabilities and Stockholders’ Equity
- Analysis of Short-term (Operating) Activity Ratios
- Enterprise Value to EBITDA (EV/EBITDA)
- Present Value of Free Cash Flow to Equity (FCFE)
- Selected Financial Data since 2005
- Operating Profit Margin since 2005
- Debt to Equity since 2005
- Price to Sales (P/S) since 2005
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Rates of Return
Monolithic Power Systems Inc., monthly rates of return
| Monolithic Power Systems Inc. (MPWR) | Standard & Poor’s 500 (S&P 500) | |||||
|---|---|---|---|---|---|---|
| t | Date | PriceMPWR,t1 | DividendMPWR,t1 | RMPWR,t2 | PriceS&P 500,t | RS&P 500,t3 |
| Jan 31, 2018 | ||||||
| 1. | Feb 28, 2018 | |||||
| 2. | Mar 31, 2018 | |||||
| 3. | Apr 30, 2018 | |||||
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| 58. | Nov 30, 2022 | |||||
| 59. | Dec 31, 2022 | |||||
| Average (R): | ||||||
| Standard deviation: | ||||||
| Monolithic Power Systems Inc. (MPWR) | Standard & Poor’s 500 (S&P 500) | |||||
|---|---|---|---|---|---|---|
| t | Date | PriceMPWR,t1 | DividendMPWR,t1 | RMPWR,t2 | PriceS&P 500,t | RS&P 500,t3 |
| Jan 31, 2018 | ||||||
| 1. | Feb 28, 2018 | |||||
| 2. | Mar 31, 2018 | |||||
| 3. | Apr 30, 2018 | |||||
| 4. | May 31, 2018 | |||||
| 5. | Jun 30, 2018 | |||||
| 6. | Jul 31, 2018 | |||||
| 7. | Aug 31, 2018 | |||||
| 8. | Sep 30, 2018 | |||||
| 9. | Oct 31, 2018 | |||||
| 10. | Nov 30, 2018 | |||||
| 11. | Dec 31, 2018 | |||||
| 12. | Jan 31, 2019 | |||||
| 13. | Feb 28, 2019 | |||||
| 14. | Mar 31, 2019 | |||||
| 15. | Apr 30, 2019 | |||||
| 16. | May 31, 2019 | |||||
| 17. | Jun 30, 2019 | |||||
| 18. | Jul 31, 2019 | |||||
| 19. | Aug 31, 2019 | |||||
| 20. | Sep 30, 2019 | |||||
| 21. | Oct 31, 2019 | |||||
| 22. | Nov 30, 2019 | |||||
| 23. | Dec 31, 2019 | |||||
| 24. | Jan 31, 2020 | |||||
| 25. | Feb 29, 2020 | |||||
| 26. | Mar 31, 2020 | |||||
| 27. | Apr 30, 2020 | |||||
| 28. | May 31, 2020 | |||||
| 29. | Jun 30, 2020 | |||||
| 30. | Jul 31, 2020 | |||||
| 31. | Aug 31, 2020 | |||||
| 32. | Sep 30, 2020 | |||||
| 33. | Oct 31, 2020 | |||||
| 34. | Nov 30, 2020 | |||||
| 35. | Dec 31, 2020 | |||||
| 36. | Jan 31, 2021 | |||||
| 37. | Feb 28, 2021 | |||||
| 38. | Mar 31, 2021 | |||||
| 39. | Apr 30, 2021 | |||||
| 40. | May 31, 2021 | |||||
| 41. | Jun 30, 2021 | |||||
| 42. | Jul 31, 2021 | |||||
| 43. | Aug 31, 2021 | |||||
| 44. | Sep 30, 2021 | |||||
| 45. | Oct 31, 2021 | |||||
| 46. | Nov 30, 2021 | |||||
| 47. | Dec 31, 2021 | |||||
| 48. | Jan 31, 2022 | |||||
| 49. | Feb 28, 2022 | |||||
| 50. | Mar 31, 2022 | |||||
| 51. | Apr 30, 2022 | |||||
| 52. | May 31, 2022 | |||||
| 53. | Jun 30, 2022 | |||||
| 54. | Jul 31, 2022 | |||||
| 55. | Aug 31, 2022 | |||||
| 56. | Sep 30, 2022 | |||||
| 57. | Oct 31, 2022 | |||||
| 58. | Nov 30, 2022 | |||||
| 59. | Dec 31, 2022 | |||||
| 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 MPWR during period t
3 Rate of return on S&P 500 (the market portfolio proxy) during period t
Variance and Covariance
Monolithic Power Systems Inc., calculation of variance and covariance of returns
| t | Date | RMPWR,t | RS&P 500,t | (RMPWR,t–RMPWR)2 | (RS&P 500,t–RS&P 500)2 | (RMPWR,t–RMPWR)×(RS&P 500,t–RS&P 500) |
|---|---|---|---|---|---|---|
| 1. | Feb 28, 2018 | |||||
| 2. | Mar 31, 2018 | |||||
| 3. | Apr 30, 2018 | |||||
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| . | . | . | . | . | . | . |
| 58. | Nov 30, 2022 | |||||
| 59. | Dec 31, 2022 | |||||
| Total (Σ): | ||||||
| t | Date | RMPWR,t | RS&P 500,t | (RMPWR,t–RMPWR)2 | (RS&P 500,t–RS&P 500)2 | (RMPWR,t–RMPWR)×(RS&P 500,t–RS&P 500) |
|---|---|---|---|---|---|---|
| 1. | Feb 28, 2018 | |||||
| 2. | Mar 31, 2018 | |||||
| 3. | Apr 30, 2018 | |||||
| 4. | May 31, 2018 | |||||
| 5. | Jun 30, 2018 | |||||
| 6. | Jul 31, 2018 | |||||
| 7. | Aug 31, 2018 | |||||
| 8. | Sep 30, 2018 | |||||
| 9. | Oct 31, 2018 | |||||
| 10. | Nov 30, 2018 | |||||
| 11. | Dec 31, 2018 | |||||
| 12. | Jan 31, 2019 | |||||
| 13. | Feb 28, 2019 | |||||
| 14. | Mar 31, 2019 | |||||
| 15. | Apr 30, 2019 | |||||
| 16. | May 31, 2019 | |||||
| 17. | Jun 30, 2019 | |||||
| 18. | Jul 31, 2019 | |||||
| 19. | Aug 31, 2019 | |||||
| 20. | Sep 30, 2019 | |||||
| 21. | Oct 31, 2019 | |||||
| 22. | Nov 30, 2019 | |||||
| 23. | Dec 31, 2019 | |||||
| 24. | Jan 31, 2020 | |||||
| 25. | Feb 29, 2020 | |||||
| 26. | Mar 31, 2020 | |||||
| 27. | Apr 30, 2020 | |||||
| 28. | May 31, 2020 | |||||
| 29. | Jun 30, 2020 | |||||
| 30. | Jul 31, 2020 | |||||
| 31. | Aug 31, 2020 | |||||
| 32. | Sep 30, 2020 | |||||
| 33. | Oct 31, 2020 | |||||
| 34. | Nov 30, 2020 | |||||
| 35. | Dec 31, 2020 | |||||
| 36. | Jan 31, 2021 | |||||
| 37. | Feb 28, 2021 | |||||
| 38. | Mar 31, 2021 | |||||
| 39. | Apr 30, 2021 | |||||
| 40. | May 31, 2021 | |||||
| 41. | Jun 30, 2021 | |||||
| 42. | Jul 31, 2021 | |||||
| 43. | Aug 31, 2021 | |||||
| 44. | Sep 30, 2021 | |||||
| 45. | Oct 31, 2021 | |||||
| 46. | Nov 30, 2021 | |||||
| 47. | Dec 31, 2021 | |||||
| 48. | Jan 31, 2022 | |||||
| 49. | Feb 28, 2022 | |||||
| 50. | Mar 31, 2022 | |||||
| 51. | Apr 30, 2022 | |||||
| 52. | May 31, 2022 | |||||
| 53. | Jun 30, 2022 | |||||
| 54. | Jul 31, 2022 | |||||
| 55. | Aug 31, 2022 | |||||
| 56. | Sep 30, 2022 | |||||
| 57. | Oct 31, 2022 | |||||
| 58. | Nov 30, 2022 | |||||
| 59. | Dec 31, 2022 | |||||
| Total (Σ): | ||||||
Show all
VarianceMPWR = Σ(RMPWR,t–RMPWR)2 ÷ (59 – 1)
= ÷ (59 – 1)
=
VarianceS&P 500 = Σ(RS&P 500,t–RS&P 500)2 ÷ (59 – 1)
= ÷ (59 – 1)
=
CovarianceMPWR, S&P 500 = Σ(RMPWR,t–RMPWR)×(RS&P 500,t–RS&P 500) ÷ (59 – 1)
= ÷ (59 – 1)
=
Systematic Risk (β) Estimation
| VarianceMPWR | |
| VarianceS&P 500 | |
| CovarianceMPWR, S&P 500 | |
| Correlation coefficientMPWR, S&P 5001 | |
| βMPWR2 | |
| αMPWR3 |
Calculations
1 Correlation coefficientMPWR, S&P 500
= CovarianceMPWR, S&P 500 ÷ (Standard deviationMPWR × Standard deviationS&P 500)
= ÷ ( × )
=
2 βMPWR
= CovarianceMPWR, S&P 500 ÷ VarianceS&P 500
= ÷
=
3 αMPWR
= AverageMPWR – βMPWR × AverageS&P 500
= – ×
=
Expected Rate of Return
| Assumptions | ||
| Rate of return on LT Treasury Composite1 | RF | |
| Expected rate of return on market portfolio2 | E(RM) | |
| Systematic risk (β) of Monolithic Power Systems Inc. common stock | βMPWR | |
| Expected rate of return on Monolithic Power Systems Inc. common stock3 | E(RMPWR) | |
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(RMPWR) = RF + βMPWR [E(RM) – RF]
= + [ – ]
=