The market is currently yielding a return of 16% while Treasury bills are yielding 10%. Shares of Lime Spider Ltd have a covariance of 7.5 with the market, while the market has a variance of 4.5.

Required:
Determine the required rate of return for Lime Spider Ltd’s shares

Using the Capital Asset Pricing Model (CAPM):

  • Market return (Rm) = 16%
  • Risk-free rate (Rf) = 10%
  • Covariance of Lime Spider shares with the market (CovLs) = 7.5
  • Market variance (σ²m) = 4.5

Step 1: Calculate Beta (β):
β = CovLs / σ²m
= 7.5 / 4.5
= 1.67

Step 2: Apply CAPM formula:
E(RLs)=Rf+β(Rm−Rf)E(R_{Ls}) = Rf + β (Rm – Rf)
= 10% + 1.67 × (16% – 10%)
= 10% + 1.67 × 6%
= 10% + 10.02%
= 20.02%

Conclusion:
The required rate of return for Lime Spider Ltd’s shares is 20%.

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