The sixth assumption of the CAPM model is that unlimited short sales are allowed. The investor can decide on selling any short amount of shares anytime.
The seventh assumption of the CAPM model is unlimited borrowing and lending at a riskless rate. The investor can decide to lend or borrow any amount of funds desired at the rate of interest equals to the rate for riskless securities.
The eighth and ninth assumption of the Capital Asset Pricing Model (CAPM) is that it deals with similarity of expectations. Firstly, investors are assumed to be concerned about the mean and variance of returns(or prices over a single period), and all the investors are assumed to define the relevant period in exactly the same manner. Second, all the investors are expected to have same expectations with respect to the necessary inputs of the portfolio decisions.
The tenth and the final assumption of the CAPM model is all these assets are marketable. All assets including human capital can be sold and bought in the