A portfolio is a collection of assets held by investors (traders, investment firms, hedge funds, financial institutions, energy market participants, corporations, governments, or individuals).
Example: One can visualize a portfolio as a pie that is partitioned into pieces of varying slices (representing a variety of assets) to achieve an appropriate risk-return portfolio allocation (Figure 8.1).
We talked a bit about portfolios when we introduced multi-asset options in Chapter 4. In this chapter we present some concepts from modern portfolio theory (MPT) and energy portfolio management (EPM). These MPT and EPM concepts are utilized to discuss optimization of electricity and gas portfolios. In addition, we discuss how MATLAB built-in functions may be utilized to optimize a portfolio of gas-fired power plants. This MATLAB case study ties together some of the concepts in this book.
Portfolio diversification is the means by which investors