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AI offers risk, return goals for big financial portfolios

A new AI program offers specific investment risk and return goals for large-scale portfolios containing hundreds of assets, report researchers.

Matt Shipman-NC State • futurity
Aug. 17, 2022 4 minSource

Researchers have developed and demonstrated an artificial intelligence program that lets them meet specific investment risk and return goals for large-scale portfolios containing hundreds of assets.

“We wanted to know whether we could use machine learning to improve the Sharpe Ratio in order to get better information on what to buy, sell, or keep in your portfolio to enhance your portfolio performance over periods of 6-12 months,” says study coauthor Mehmet Caner, professor of economics in North Carolina State University’s Poole College of Management. “This work shows that we can.”

The Sharpe Ratio is a way of measuring the trade-off an investor’s portfolio makes between the magnitude of their returns and the risk that their holdings will lose value. It is a well-established metric used across the investment industry.

However, things get complicated when a portfolio contains hundreds of holdings, because it becomes increasingly difficult to perform risk/benefit analyses and make management decisions for all of the holdings.

To better manage these assets, the financial sector has increasingly turned to AI programs that use machine learning to make portfolio decisions.

Caner previously helped develop an AI program that built on a novel mathematical theorem to inform financial decision-making. However, Caner wanted to see if he could improve on that AI program by incorporating a range of financial factors that the previous model didn’t account for.

“Managing a portfolio that contains hundreds of assets is challenging,” Caner says. “It can contain a variety of stocks and commodities, most of which are related to each other in some way. How do you handle a dynamic matrix that is this complicated? We set out to train an AI program to account for a wide variety of factors with the ultimate goal of achieving a specific Sharpe Ratio—and we did it.

“It’s important to note that there is no ‘correct’ Sharpe Ratio—it will vary depending on how much risk an investor is comfortable with. But we’ve been able to train our AI to achieve whatever Sharpe Ratio target you’ve established for your portfolio, over the course of 6-12 months. We’ve demonstrated this in both simulations and in real-world practice.”

The paper appears in the Journal of Econometrics . Coauthors are from Pontifical Catholic University of Rio de Janeiro; and BOCOM BBM Bank in Brazil.

Source: NC State

The post AI offers risk, return goals for big financial portfolios appeared first on Futurity .


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