Parrot is an portfolio optimization tool that uses state of the art models from Modern Portfolio Theory to find the optimal allocation of investment budget among a selection of investment options (stocks) in order to maximize expected return while minimizing risk exposure through diversification.It offers private investors access to the same sophisticated tools that are typically only used by large institutional investors. Parrot offers features targeted at private investors, such as awareness of budget constraints, non-divisibility of assets and transaction costs.Parrot allow you do- choose from a large variety of popular assets to invest in- find the best combination of assets in order to minimize investment risk while maximizing expected return- investigate details of the risk-vs-return trade-off for different attitudes to risk- find the optimal portfolio taking into account that only whole units of assets can be invested in