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# Excel Array Formula Series 14.4: Stock Portfolio Analysis

See how to create array formulas for Portfolio Return & Standard Deviation. See the array functions: MMULT, COLUMN, TRANSPOSE. See how to calculate individual stock return and standard deviation given different assumed states of the future economy.

See how to use probability, stock weights and assumed stock returns to calculate individual stock return and standard deviation and Portfolio Return & Standard Deviation.

See of to use the MMULT to matrix algebra. See of to use the COLUMN and TRANSPOSE functions to create a vertical array of ones.

In this series see how to create array formulas in Excel. Array formulas can take complex series of formula calculations and reduce them down to a single formula that sits in just one cell! You will see how to create array formulas and see how to use Array Functions.

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