Financials Portfolio, Series 17

Investment Objective Increased Total Return Potential with Financials The Financials Portfolio, Series 17 (Trust) seeks to Financial companies may provide the potential for steady returns over time through the combination of capital maximize total return primarily through capital appreciation and dividend payouts. In fact, dividends represent more than 45% of total return for the fi nancials appreciation. sector1, which may make it attractive for investors in search of income. Companies that operate within this industry are highly regulated, which may result in transparency for investors and shareholders. The fi nancials sector comprises Key Considerations about 11% of the S&P 500® Index2 and is classifi ed as a cyclical sector, meaning that it tends to be closely correlated to the performance of the overall market and economy. The chart below, which compares the beta of each of the 11 ■ Focused Financial Sector Exposure: S&P 500 sector indices, shows that despite the historical cyclicality of the sector, its volatility relative to the market Convenient exposure to the fi nancial sector has had one of the strongest declines over the past 10 years. This may be representative of an improvement in the which includes banks, savings-and-loan sector’s balance sheets and growth models, which Guggenheim believes may lead to continued dividend growth. companies, insurance companies, fi nancial To off er investors convenient access to the fi nancials sector, Guggenheim created the Financials Portfolio. The exchanges and fi nancial data providers, portfolio seeks to invest in several dozen fi nancial stocks covering a variety of industries within the fi nancials sector, investment funds, brokerages, and asset including asset management, banks, insurance and fi nancial exchange and data companies. Constructed with an management fi rms. emphasis on strong balance sheets, profi tability and industry leadership, the portfolio may off er more diversifi ed ■ Dividend Strength: Financial stocks have fi nancial sector exposure than a cap-weighted sector portfolio, which can be dominated by a few large fi nancial stocks. increased their dividend each year by nearly 1 Bloomberg, 6.28.1996 - 3.31.2021 2 Standard & Poors 2.26.2021 3 Bloomberg, 3.31.2021 4 Bloomberg, 3.31.2021 15% on average over the previous ten years.3 CHANGE IN FIVE-YEAR BETA BY SECTOR, NOW VS 10 YEARS AGO (3.1.2016 - 2.28.2021) ■ Fundamentals Refl ect Market Conditions: Relative valuations are lower than historical S&P 500 Energy averages, potentially signaling that revenue Compared to the rest S&P 500 Communication Services of the 11 S&P sector diffi culties due to a low interest rate S&P 500 Health Care indices, the fi nancial environment, are refl ected in prices and S&P 500 Consumer Staples sector has experienced that fi nancials are poised to recover as the S&P 500 Consumer Discretionary one of the highest economy improves.4 S&P 500 Industrials declines in volatility S&P 500 Information Technology compared to 10 years Past performance is not a guarantee of future results. There S&P 500 Materials is no guarantee that the trends and projections noted above will S&P 500 Utilities ago, which may refl ect continue or come to fruition and they are subject to change. S&P 500 Financials the improvement in the S&P 500 Real Estate sector’s balance sheets Portfolio Allocation -1.0 -0.8 -0.6 -0.4 -0.2 0.0 0.2 0.4 0.6 0.8 1.0 and growth models. Breakdown and weightings are as of 4.1.2021 and Source: Morningstar, 2.28.2021. Past performance is no guarantee of future results. The chart is for illustrative purposes only; it is not subject to change. meant to forecast, imply or guarantee the future results of any Guggenheim Investments product. There is no guarantee that the trends CAPITALIZATION BREAKDOWN and projections noted above will continue or come to fruition and they are subject to change. The S&P 500® Financials Index comprises those companies included in the S&P 500® that are classifi ed as members of the GICS® fi nancials sector. The Trust will not try to replicate the performance of the Index and will not necessarily invest any substantial portion of its assets in securities in the Index. Indices are unmanaged and it is not possible to invest directly in the indices. Beta is a statistical measure of volatility relative to the overall market. A ■ Large-Cap 56.43% positive beta indicates movement in the same direction as the market, while a negative beta indicates movement inverse to the market. Beta for the market is generally considered to be 1. A beta above 1 and below -1 indicates more volatility than the market. A beta between ■ Mid-Cap 34.56% 1 and -1 indicates less volatility than the market.. ■ Small-Cap 9.01% Security Selection

Begin with all companies in the financial sector of the INDUSTRY BREAKDOWN Starting Universe Russell 3000® Index.**

Weight Screen for the following quantitative factors: Regional Banks 36.96% ƒValuation Diversifi ed Banks 13.45% ƒGrowth ƒProfitability Investment Banking & Brokerage 10.06% Multi-Factor Security Evaluation Financial Exchanges & Data 9.41% Life & Health Insurance 8.02% Screen for additional qualitative factors: Property & Casualty Insurance 7.49% ƒ Strong financial statements ƒ Industry leadership Asset Management & Custody Banks 5.07% Portfolio Construction Consumer Finance 4.49% Insurance Brokers 3.04% Financials Multi-line Insurance 2.01% Portfolio Total 100.00% Final Portfolio

** Index defi nition on next page.

NOT FDIC INSURED | NOT BANK GUARANTEED | MAY LOSE VALUE GuggenheimInvestments.com Financials Portfolio, Series 17

PORTFOLIO SUMMARY PORTFOLIO HOLDINGS Holdings, breakdown, and weightings are as of 4.1.2021 and subject to change. Inception Date 4.5.2021 Termination Date 4.5.2023 Symbol Company Name Symbol Company Name Initial Off er Price $10.00 Asset Management & Custody Banks (5.07%) Life & Health Insurance (8.02%) Number of Issues 40 BLK BlackRock, Inc. AFL Afl ac, Inc. IVZ Invesco Limited MET MetLife, Inc. Historical Annual Dividend $0.1615 Consumer Finance (4.49%) PRU Prudential Financial, Inc. Distribution5 AXP American Express Company Multi-line Insurance (2.01%) Distributions 25th day of each month commencing COF Capital One Financial Corporation AIG American International Group, Inc. on 4.25.2021, if any Diversifi ed Banks (13.45%) Property & Casualty Insurance (7.49%) BAC Bank of America Corporation CB Chubb Limited 5 The Historical Annual Dividend Distribution (HADD) is as of C Citigroup, Inc. PGR Progressive Corporation the day prior to trust deposit and subject to change. There is no JPM JPMorgan Chase & Company ALL The Allstate Corporation guarantee the issuers of the securities included in the Trust will USB U.S. Bancorp Regional Banks (36.96%) declare dividends or distributions in the future. Due to the negative WFC Wells Fargo & Company CFG Citizens Financial Group, Inc. economic impact across many industries caused by the recent Financial Exchanges & Data (9.41%) FITB Fifth Third Bancorp COVID-19 outbreak, certain issuers of the securities included CME CME Group, Inc. FFWM First Foundation, Inc. in the Trust may elect to reduce the amount of, or cancel ICE Intercontinental Exchange, Inc. FHN First Horizon Corporation entirely, dividends and/or distributions paid in the future. As NDAQ Nasdaq, Inc. FRC First Republic Bank a result, the HADD fi gure will likely be higher, and in some cases signifi cantly higher, than the actual distribution rate SPGI S&P Global, Inc. GBCI Glacier Bancorp, Inc. achieved by the Trust. The HADD of the securities included in Insurance Brokers (3.04%) PPBI Pacifi c Premier Bancorp, Inc. the Trust is for illustrative purposes only and is not indicative of the AJG Arthur J. Gallagher & Company PNFP Pinnacle Financial Partners, Inc. Trust’s distribution rate. The HADD is the weighted average of the Investment Banking & Brokerage (10.06%) RF Regions Financial Corporation trailing twelve-month distributions paid by the securities included EVR Evercore, Inc. SNV Synovus Financial Corporation in the portfolio and is reduced to account for the eff ects of fees and MS Morgan Stanley PNC The PNC Financial Services Group, Inc. expenses, which will be incurred when investing in the Trust. The SCHW The Charles Schwab Corporation TFC Truist Financial Corporation HADD will vary due to certain factors that may include, but are not GS The Goldman Sachs Group, Inc. UMBF UMB Financial Corporation limited to, a change in the dividends paid by issuers, a change in WBS Webster Financial Corporation Trust expenses or the sale or maturity of securities in the portfolio. WTFC Wintrust Financial Corporation

The Financials Portfolio, Series 17 is a Unit Investment Trust. adverse general market or economic developments. These securities TICKETING INFORMATION **INDEX DEFINITION: The Russell 3000® Index is composed customarily involve more investment risk than securities of large- capitalization companies. • Share prices or dividend rates on the CUSIP (cash payment) 40176X440 of the 3,000 largest U.S. companies ranked by total market capitalization, representing approximately 98% of the U.S. securities in the Trust may decline during the life of the Trust and CUSIP (reinvestment accounts) 40176X457 investable equity market. The Index is unmanaged and it is not there is no guarantee that the issuers of the securities will declare possible to invest directly in the index. dividends in the future and, if declared, whether they will remain at CUSIP (fee-cash) 40176X465 current levels or increase over time. • The Trust may be susceptible RISK CONSIDERATIONS: As with all investments, you may lose CUSIP (fee-reinvest) 40176X473 to potential risks through breaches in cybersecurity. • The Trust is some or all of your investment in the Trust. No assurance can subject to risks arising from various operational factors and their Ticker CFINQX be given that the Trust’s investment objective will be achieved. service providers. Although the Trust seeks to reduce operational The Trust also might not perform as well as you expect. This can risks through controls and procedures, there is no way to completely happen for reasons such as these: • Securities prices can be volatile. protect against such risks. • Infl ation may lead to a decrease in the SALES CHARGES The value of your investment may fall over time. Market value value of assets or income from investments. Please see the Trust Sales Charge (S/C) is based on a $10 per unit fl uctuates in response to various factors. Changes in legal, political, prospectus for more complete risk information. off ering price. regulatory, tax and economic conditions may cause fl uctuations in markets and securities prices, which could negatively impact the value Unit Investment Trusts are fi xed, not actively managed and should be Percentage of of the Trust. Events such as war, terrorism, natural and environmental considered as part of a long-term strategy. Investors should consider Amount Public their ability to invest in successive portfolios, if available, at the Standard Accounts Per Unit Off ering Price disasters and the spread of infectious illnesses or other public health emergencies may adversely aff ect the economy, various markets and applicable sales charge. UITs are subject to annual fund operating 6 Deferred S/C $0.225 2.25% issuers. Recently, the outbreak of a novel and highly contagious form of expenses in addition to the sales charge. Investors should consult Creation and Development coronavirus (“COVID-19”) has adversely impacted global commercial an attorney or tax advisor regarding tax consequences associated $0.050 0.50% (C&D) Fee activity and contributed to signifi cant volatility in certain markets. with an investment from one series to the next, if available, and with the purchase or sale of units. Guggenheim Funds Distributors, LLC Total S/C $0.275 2.75% Many governments and businesses have instituted quarantines and closures, which has resulted in signifi cant disruption in manufacturing, does not off er tax advice. Fee/Wrap Accounts7 supply chains, consumer demand and economic activity. The potential This material is not intended as a recommendation or as investment impacts are increasingly uncertain, diffi cult to assess and impossible advice of any kind, including in connection with rollovers, transfers, Creation and Development to predict, and may result in signifi cant losses. Any adverse event and distributions. Such material is not provided in a fiduciary (C&D) Fee $0.050 0.50% could materially and negatively impact the value and performance of capacity, may not be relied upon for or in connection with the Total S/C $0.050 0.50% trust and the Trust’s ability to achieve its investment objectives. • The making of investment decisions, and does not constitute a Trust is concentrated in the fi nancial sector; the factors that impact solicitation of an off er to buy or sell securities. All content has been

6 the fi nancial sector will likely have a greater eff ect on this Trust than provided for informational or educational purposes only and is not The deferred sales charge (DSC) is a fixed amount and will on a more broadly diversifi ed trust. The profi tability of companies in intended to be and should not be construed as legal or tax advice be deducted in monthly installments on the last business day the fi nancial sector is largely dependent upon the availability and cost and/or a legal opinion. Always consult a fi nancial, tax and/or legal commencing November 2021 and ending January 2022 or upon of capital which may fl uctuate signifi cantly in response to changes professional regarding your specifi c situation. early redemption. For unit prices other than $10, percentages of in interest rates and general economic developments. Financial C&D fees, and DSCs will vary but in no event will the maximum Read the Trust’s prospectus carefully before investing. sector companies are subject to the adverse eff ects of economic It contains the Trust’s investment objectives, risks, sales charge (S/C) exceed the total S/C. Early redemption of units recession, decreases in the availability of capital, volatile interest rates, will still cause payment of the DSC. However, an initial sales charge, charges, expenses and other information, which should portfolio concentrations in geographic markets and in commercial be considered carefully before investing. Obtain a which is equal to the diff erence between the maximum S/C and and residential real estate loans, and competition from new entrants the sum of any remaining deferred S/C charges and C&D, will be prospectus at guggenheiminvestments.com. 7 in their fi elds of business. • The Trust includes securities issued by charged if the price paid for units exceeds $10 per unit. For unit small-cap and mid-cap companies, which may have limited product Guggenheim Funds Distributors, LLC prices other than $10, percentage of the C&D fee will vary. lines, markets or fi nancial resources and may be more vulnerable to Member FINRA/SIPC 4/2021 UIT-FCT-FIN-017 #47551