Global Balanced Income Builder Portfolio Series 21

The Trust seeks to provide current income with the potential for capital appreciation by investing in dividend-paying stocks of global companies along with shares of exchange-traded funds (“ETFs”) that invest substantially all of their assets in fixed-income securities.

The Sponsor, with the assistance of Guggenheim Partners Investment Management, LLC (“GPIM”), an affiliate of Guggenheim Partners, LLC, has selected the securities to be included in the Trust’s portfolio. The Trust portfolio will invest a substantial amount of its assets, either directly or indirectly through its investment in ETFs, in securities from at least three different countries, as defined by Russell Investments. The Trust will, as of the initial date of deposit, invest at least 40% of its assets directly or indirectly in the securities of non-U.S. companies located in at least three different countries, as defined by Russell Investments.

The Sponsor and GPIM believe that companies that distribute significant dividends on a consistent basis generally demonstrate strong financial strength and positive performance relative to their peers. The common stocks selected will constitute approximately 50% of the Trust portfolio. These common stocks may be issued by small-, mid- and large-capitalization companies and by real estate investment Trusts.

Shares of ETFs that invest substantially all of their assets in fixed-income securities will make up the remaining 50% of the Trust portfolio. The fixed-income ETFs included in the portfolio invest in a wide range of both domestic and international debt securities rated investment-grade through below investment-grade or may be unrated but deemed to be of comparable quality by an ETF’s adviser. High-yield, below investment-grade securities or “junk” bonds are considered to be primarily speculative with respect to the issuer’s ability to make principal and interest payments and may be more volatile than higher rated securities of similar maturity. Additionally, they are subject to greater market, credit and liquidity risks than investment-grade securities.

The fixed-income ETFs included in the portfolio will invest in debt securities with short-term, medium-term and long-term maturities. Typically fixed-income securities with longer periods before maturity are more sensitive to interest rate changes.

Finally, the fixed-income ETFs included in the portfolio will invest in debt securities issued by foreign companies, including companies located in emerging markets. The Trust may invest in fixed-income ETFs that invest in municipal bonds, mortgage-backed securities, convertible securities, senior loans, floating rate securities and preferred securities.

United States Equity Strategy

Approximately 25% of the Trust portfolio will constitute U.S. equity common stocks selected using a disciplined process that includes both quantitative screening and qualitative analysis. The Sponsor selects U.S. companies that it believes should be core holdings of a diversified dividend-paying portfolio. The Sponsor begins with a universe of all dividend paying companies in the United States as of the date of the security selection. The Sponsor then selects the final portfolio by performing quantitative and qualitative screening, which is primarily based on, but not limited to dividend growth, dividend coverage and profitability.

International Equity Strategy

Approximately 25% of the Trust portfolio will constitute common stocks selected according to a quantitative dividend strategy. These stocks will be dividend paying American Depositary Receipt (“ADR”)/Global Depositary Receipt (“GDR”)/New York Registry Share equity securities or U.S.-listed common stocks of foreign companies representing both developed and emerging markets.

Fixed-Income Exchange-Traded Funds

Approximately 50% of the Trust portfolio will constitute ETFs that invest substantially all of their assets in both domestic and international fixed-income securities. The Sponsor, with the assistance of GPIM, has selected fixed-income ETFs believed to have the best potential for current income and total return. When selecting the ETFs for the Trust, the Sponsor considers a number of factors, including but not limited to, the size, liquidity and daily trading volume, the current dividend yield, the strategy and investment objective, the fixed-income securities held by the ETF including their durations and credit exposure, the expense ratio and the overlap of the underlying fixed-income securities held by the ETFs.

As with all investments, you may lose some or all of your investment in the Trust. No assurance can be given that the Trust’s investment objective will be achieved. The Trust also might not perform as well as you expect. This can happen for reasons such as these:

• Securities prices can be volatile. The value of your investment may fall over time. Market value fluctuates in response to various factors. These can include stock market movements, purchases or sales of securities by the Trust, government policies, litigation, and changes in interest rates, inflation, the financial condition of the securities’ issuer or even perceptions of the issuer. Changes in legal, political, regulatory, tax and economic conditions may cause fluctuations in markets and securities prices, which could negatively impact the value of the Trust. Additionally, event such war, terrorism, natural and environmental disasters and the spread of infectious illnesses or other public health emergencies may adversely affect the economy, various markets and issuers. An outbreak of a novel form of coronavirus disease (“COVID-19”) was first detected in December 2019 and rapidly spread around the globe leading the World Health Organization to declare
  the COVID-19 outbreak a pandemic in March 2020 and resulting in major disruptions to economies and markets around the world. The complete economic impacts of COVID-19 are not
  yet fully known. The COVID-19 pandemic, or any future public health crisis, is impossible to predict and could result in adverse market conditions which may negatively impact the performance of the Trust and the Trust's ability to achieve its investment objectives. Units of the Trust are not deposits of any bank and are not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.
• The Trust invests in shares of ETFs. ETFs are investment pools that hold other securities. The ETFs in the Trust are usually passively-managed index funds that seek to replicate the performance or composition of a recognized securities index. ETFs are subject to various risks, including management’s ability to meet the fund’s investment objective. Shares of ETFs may trade at a discount from their net asset value in the secondary market. This risk is separate and distinct from the risk that the net asset value of the ETF shares may decrease. The amount of such discount from net asset value is subject to change from time to time in response to various factors. The underlying ETF has management and operating expenses. Consequently, you will bear not only your share of your Trust’s expenses, but also the expenses of the underlying ETFs. By investing in ETFs, the Trust incurs greater expenses than you would incur if you invested directly in the ETFs.
• The ETFs are subject to annual fees and expenses, including a management fee. Unitholders of the Trust will bear these fees in addition to the fees and expenses of the Trust. See “Fees and Expenses” for additional information.
• The Trust is subject to an ETF’s index correlation risk. To the extent that an underlying ETF is an index-tracking ETF, index correlation risk is the risk that the performance of an ETF will vary from the actual performance of the fund’s target index, known as “tracking error.” This can happen due to fund expenses, transaction costs, market impact, corporate actions (such as mergers and spin-offs) and timing variances.
• The value of the fixed-income securities ETFs will generally fall if interest rates, in general, rise. Typically, fixed-income securities with longer periods before maturity are more sensitive to interest rate changes. The Trust may be subject to greater risk of rising interest rates than would normally be the case due to the current period of historically low rates.
• An ETF or an issuer of securities held by an ETF may be unwilling or unable to make principal payments and/or to declare distributions in the future, may call a security before its stated maturity, or may reduce the level of distributions declared. Issuers may suspend dividends during the life of the Trust. This may result in a reduction in the value of your units.
• The financial condition of an ETF or an issuer of securities held by an ETF may worsen, resulting in a reduction in the value of your units. This may occur at any point in time, including during the primary offering period.
• Economic conditions may lead to limited liquidity and greater volatility. The markets for fixed-income securities, such as those held by certain ETFs, may experience periods of illiquidity and volatility. General market uncertainty and consequent repricing risk have led to market imbalances of sellers and buyers, which in turn have resulted in significant valuation uncertainties in a variety of fixed-income securities. These conditions resulted, and in many cases continue to result in, greater volatility, less liquidity, widening credit spreads and a lack of price transparency, with many debt securities remaining illiquid and of uncertain value. These market conditions may make valuation of some of the securities held by an ETF uncertain and/or result in sudden and significant valuation increases or declines in its holdings.
• Certain ETFs held by the Trust invest in securities that are rated below investment-grade and are considered to be “junk” securities. Below investment-grade obligations are considered to be primarily speculative with respect to the issuer’s ability to make principal and interest payments and may be more volatile than higher rated securities of similar maturity. Additionally, they are subject to greater market, credit and liquidity risks than investment-grade securities. Accordingly, the risk of non-payment or default is higher than with investment-grade securities. In addition, such securities may be more sensitive to interest rate changes and more likely to receive early returns of principal in falling rate environments.
• Certain ETFs held by the Trust may invest in securities that are rated as investment-grade by only one rating agency. As a result, such split-rated securities may have more speculative characteristics and are subject to a greater risk of default than securities rated as investment-grade by more than one rating agency.
• The Trust invests in U.S.-listed foreign securities and ADRs, and certain ETFs held by the Trust invest in foreign securities. Investment in foreign securities presents additional risk. ADRs are issued by a bank or Trust company to evidence ownership of underlying securities issued by foreign corporations. Securities of foreign issuers present risks beyond those of domestic securities. More specifically, foreign risk is the risk that foreign securities will be more volatile than U.S. securities due to such factors as adverse economic, currency, political, social or regulatory developments in a country, including government seizure of assets, excessive taxation, limitations on the use or transfer of assets, the lack of liquidity or regulatory controls with respect to certain industries or differing legal and/or accounting standards.
• The Trust and certain ETFs held by the Trust may invest in securities issued by companies headquartered or incorporated in countries considered to be emerging markets. Because their financial markets may be very small, prices of financial instruments in emerging market countries may be volatile and difficult to determine. Financial instruments of issuers in these countries may have lower overall liquidity than those of issuers in more developed countries. Financial and other reporting by companies and government entities also may be less reliable or difficult to obtain in emerging market countries. In addition, foreign investors are subject to a variety of special restrictions in many emerging market countries. Shareholder claims and regulatory actions that are available in the U.S. may be difficult or impossible to pursue in emerging market countries. Risks of investing in developing or emerging countries also include the possibility of investment and trading limitations, delays and disruptions in settlement transactions, market manipulation concerns, political uncertainties and dependence on international trade and development assistance.
• Certain ETFs held by the Trust may invest in securities whose value may be dependent on currency exchange rates. The U.S. dollar value of these securities may vary with fluctuations in foreign exchange rates. Most foreign currencies have fluctuated widely in value against the U.S. dollar for various economic and political reasons such as the activity level of large international commercial banks, various central banks, speculators, 7 hedge funds and other buyers and sellers of foreign currencies.
• The Trust invests in securities issued by mid-capitalization companies, and certain ETFs held by the Trust may invest in securities issued by small-capitalization and/or mid-capitalization companies. These securities customarily involve more investment risk than securities of large-capitalization companies. Small-capitalization and mid-capitalization companies may have limited product lines, markets or financial resources and may be more vulnerable to adverse general market or economic developments.
• Share prices or distributions on the securities in the Trust may decline during the life of the Trust. There is no guarantee that share prices of the securities in the Trust will not decline and that the issuers of the securities will declare distributions in the future and, if declared, whether they will remain at current levels or increase over time.
• The Trust may be susceptible to potential risks through breaches in cybersecurity. A breach in cybersecurity refers to both intentional and unintentional events that may cause the Trust to lose proprietary information, suffer data corruption or lose operational capacity. Such events could cause the Sponsor of the Trust to incur regulatory penalties, reputational damage, additional compliance costs associated with corrective measures and/or financial loss. In addition, cybersecurity breaches of the Trust’s third-party service providers, or issuers in which the Trust invests, can also subject the Trust to many of the same risks associated with direct cybersecurity breaches.
• The Trust is subject to risks arising from various operational factors and their service providers. Operational factors include, but not limited to, human error, processing and communication errors, errors of the Trust’s service providers, counterparties or other third-parties, failed or inadequate processes and technology or systems failures. Additionally, the Trust may be subject to the risk that a service provider may not be willing or able to perform their duties as required or contemplated by their agreements with the Trust. Although the Trust seeks to reduce these operational risks through controls and procedures, there is no way to completely protect against such risks.
• Inflation may lead to a decrease in the value of assets or income from investments.
• The Sponsor does not actively manage the portfolio. The Trust will generally hold, and may, when creating additional units, continue to buy, the same securities even though a security’s outlook, market value or yield may have changed.

See “Investment Risks” in Part A of the prospectus and “Risk Factors” in Part B of the prospectus for additional information.