The Search for Alpha – How Investment Portfolios Are Built

February 13, 20237 min read
The Search for Alpha – How Investment Portfolios Are Built
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Key Takeaways

  • Alpha (α), used in finance as a measure of performance, is the excess return of an investment relative to the return of a benchmark index.
  • Alpha is usually paired with beta (β), which measures an investment’s volatility or systematic risk compared to the overall market.
  • Generating alpha is the goal of many investors seeking higher returns than the market average.

In investing, alpha (α) measures the return on investment that exceeds the expected return based on the risk associated with a particular investment strategy. It measures an investment’s ability to outperform the market or achieve higher returns than the market average.

To clarify things for those in search of alpha and how investment portfolios are built: alpha is often referred to as “excess return” or “abnormal rate of return.” This concept assumes that markets are efficient, meaning that all available information is already reflected in an asset’s price.

Alpha is usually paired with beta (β), which measures an investment’s volatility or systematic risk compared to the overall market.

Generating alpha is the goal of many investors seeking higher returns than the market average. To do this, investors use various investment strategies, such as analyzing financial statements, tracking market trends, and identifying undervalued assets.

What is Generating Alpha?

An alpha generator refers to a security that offers excess returns or higher than the pre-selected benchmark without additional risk when added to an existing portfolio of assets. Financial institutions, including banks, hedge funds, and quantitative traders, often leverage algorithmic trading technology to identify alpha generators that enable them to outperform or beat the market consistently. In other words, an alpha generator is a tool that helps investors generate superior returns without incurring additional risk.

Alpha generators can be various securities: government bonds, foreign stocks, derivatives such as stock options and futures, and other investment categories related to alpha generation finance.

To understand the concept of alpha, it is essential first to comprehend the fundamentals of the modern portfolio theory (MPT).

Modern Portfolio Theory

Alpha is among five widely used technical risk ratios for investments. The remaining four are beta, Sharpe ratio, standard deviation, and R-squared. These are statistical measurements that belong to modern portfolio theory (MPT). These ratios assist investors in evaluating the risk-return nature of an investment.

Portfolio managers actively managing their portfolios aim to generate alpha by investing in various assets. This diversification strategy is intended to reduce the impact of unsystematic risks on the portfolio. Alpha represents the portfolio’s performance relative to a benchmark, and it is often seen as the measure of the portfolio manager’s value added or subtracted from the fund’s return.

For simplicity, generating alpha refers to earning profits from an investment not influenced by the overall market trends. An alpha of zero would suggest that the fund or portfolio performs as well as the benchmark index without any additional gains or losses compared to the overall market performance.

The idea of alpha gained more prominence when smart beta index funds linked to well-known indexes, such as the Standard & Poor’s 500 index and the Wilshire 5000 Total Market Index, emerged. These funds aim to improve the performance of a portfolio that follows a particular part of the market.

Although alpha is an attractive feature in any investment portfolio, most asset managers are outperformed by index benchmarks. As a result of this trend, many investors are losing confidence in traditional financial advisors and turning to low-cost, passive robo-advisors (Online advisors).

These online advisors invest client capital almost entirely in index-tracking funds on the premise that if they can’t beat the market, they should just join it.

Alpha Coefficient

With an understanding of MPT, the focus can shift to alpha (αi). MPT includes five distinct risk ratios, which help investors assess the risk-return profile of an investment. These ratios have alpha, beta, R-squared standard deviation, and Sharpe ratio.

In simple terms, alpha is used to measure investment performance in relation to risk. As an investor, we need to ensure that we are adequately rewarded for the risks associated with our investments, and alpha can assist us in determining whether an investment is worthwhile. Alpha is expressed as a numeric value.

If an investment has a positive alpha of 1.0, it has done better than its benchmark index by 1%. On the other hand, if it has a negative alpha of the same value, it indicates that it has underperformed by 1%. Finally, zero alpha suggests the investment has achieved the same risk-adjusted return as its benchmark.

To make it more precise, the alpha coefficient measures an investment’s performance in relation to its risk.

The following are the interpretations:

  • If αi is less than zero, the investment did not earn enough to justify the risk taken, or it was excessively risky for the return obtained.
  • If αi equals zero, it indicates that the investment earned a return commensurate with the risk taken.
  • If αi is greater than zero, it implies that the investment generated a return that exceeded the level of risk undertaken.

Investors can leverage modern portfolio theory (MPT) and its risk statistics, including alpha, to evaluate whether the expected return of alpha investments justifies the level of risk involved. This approach enables them to gauge whether a particular investment is worth considering or not.

Investment managers often state that their objective is to generate alpha, meaning they aim to achieve higher returns while taking on a comparable level of risk as the benchmark they use to measure their performance. Alpha represents the extra value that an asset or portfolio manager brings compared to a related index’s risk and reward profile. Naturally, a higher alpha is considered beneficial.

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What is Alpha for a Regular Investor?

Alpha is a term used in investing to describe the ability of a portfolio manager or investor to outperform the market. It’s an exciting concept because it challenges the traditional notion that markets are efficient and impossible to beat consistently.

Alpha can be applied to regular portfolios by seeking investments with a higher expected return than the market.

Identifying undervalued stocks, investing in small-cap companies, or taking advantage of market anomalies, can accomplish this. Portfolio diversification should always be considered as well, as it provides a measure of protection from the volatility of the mainstream markets.

Portfolio Diversification and Alternative Investments

Traditional portfolio asset allocation envisages a 60% public stock and 40% fixed income allocation. However, a more balanced 60/20/20 or 50/30/20 split, incorporating alternative assets, may make a portfolio less sensitive to public market short-term swings.

Real estate, private equity, venture capital, digital assets, precious metals and collectibles are among the asset classes deemed “alternative investments.” Broadly speaking, such investments tend to be less connected to public equity, and thus offer potential for diversification. Of course, like traditional investments, it is important to remember that alternatives also entail a degree of risk.

In some cases, this risk can be greater than that of traditional investments.

This is why these asset classes were traditionally accessible only to an exclusive base of wealthy individuals and institutional investors buying in at very high minimums — often between $500,000 and $1 million. These people were considered to be more capable of weathering losses of that magnitude, should the investments underperform. However, that meant the potentially exceptional gains these investments presented were also limited to these groups.

To democratize these opportunities, Yieldstreet has opened a number of carefully curated alternative investment strategies to all investors. While the risk is still there, the company offers help in capitalizing on areas such as real estate, legal finance, art finance and structured notes — as well as a wide range of other unique alternative investments.

Learn more about the ways Yieldstreet can help diversify and grow portfolios.

In Summary

By using the concept of alpha, investors can potentially achieve higher returns than the market and earn a profit. However, it’s important to remember that alpha is not a guarantee, and it requires careful analysis and research to identify the right opportunities.

All securities involve risk and may result in significant losses. Alternative investments involve specific risks that may be greater than those associated with traditional investments; are not suitable for all clients; and intended for experienced and sophisticated investors who meet specific suitability requirements and are willing to bear the high economic risks of the investment. Investments of this type may engage in speculative investment practices; carry additional risk of loss, including possibility of partial or total loss of invested capital, due to the nature and volatility of the underlying investments; and are generally considered to be illiquid due to restrictive repurchase procedures. These investments may also involve different regulatory and reporting requirements, complex tax structures, and delays in distributing important tax information.

We believe our 10 alternative asset classes, track record across 470+ investments, third party reviews, and history of innovation makes Yieldstreet “The leading platform for private market investing,” as compared to other private market investment platforms.

1 Past performance is no guarantee of future results. Any historical returns, expected returns, or probability projections may not reflect actual future performance. All securities involve risk and may result in significant losses.

3 "Annual interest," "Annualized Return" or "Target Returns" represents a projected annual target rate of interest or annualized target return, and not returns or interest actually obtained by fund investors. “Term" represents the estimated term of the investment; the term of the fund is generally at the discretion of the fund’s manager, and may exceed the estimated term by a significant amount of time. Unless otherwise specified on the fund's offering page, target interest or returns are based on an analysis performed by Yieldstreet of the potential inflows and outflows related to the transactions in which the strategy or fund has engaged and/or is anticipated to engage in over the estimated term of the fund. There is no guarantee that targeted interest or returns will be realized or achieved or that an investment will be successful. Actual performance may deviate from these expectations materially, including due to market or economic factors, portfolio management decisions, modelling error, or other reasons.

4 Reflects the annualized distribution rate that is calculated by taking the most recent quarterly distribution approved by the Fund's Board of Directors and dividing it by prior quarter-end NAV and annualizing it. The Fund’s distribution may exceed its earnings. Therefore, a portion of the Fund’s distribution may be a return of the money you originally invested and represent a return of capital to you for tax purposes.

5 Represents the sum of the interest accrued in the statement period plus the interest paid in the statement period.

6 The internal rate of return ("IRR") represents an average net realized IRR with respect to all matured investments, excluding our Short Term Notes program, weighted by the investment size of each individual investment, made by private investment vehicles managed by YieldStreet Management, LLC from July 1, 2015 through and including July 18th, 2022, after deduction of management fees and all other expenses charged to investments.

7 Investors should carefully consider the investment objectives, risks, charges and expenses of the Yieldstreet Alternative Income Fund before investing. The prospectus for the Yieldstreet Alternative Income Fund contains this and other information about the Fund and can be obtained by emailing [email protected] or by referring to The prospectus should be read carefully before investing in the Fund. Investments in the Fund are not bank deposits (and thus not insured by the FDIC or by any other federal governmental agency) and are not guaranteed by Yieldstreet or any other party.

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9 Statistics as of the most recent month end.

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