October 26, 2026
Securities and Exchange Commission
100 F Street NE
Washington, D.C. 20549
Re: Guggenheim Defined Portfolios, Series 2637
File No. 333-298518
Ladies and Gentlemen:
In accordance with the provisions of Rule 497(j) of Regulation C under the Securities Act of 1933 (the “Securities Act”), this letter serves to certify that the most recent amendment to the Registration Statement on Form S-6 (the “Registration Statement”) of the above-referenced... (continue reading...)
http://archive.fast-edgar.com/20261026/AJZZB22CJW22DJZ2222M2ZZH9JMHZ22IV682
Filed on: October 26, 2026
Registration Statement No.333-285508 Filed Pursuant to Rule 433
Subject to Completion, dated October 26, 2026 Pricing Supplement to the Prospectus dated March 25, 2025, the Prospectus Supplement dated March 25, 2025 and the Product Supplement dated March 25, 2025
US$ [ ] Senior Medium-Term Notes, Series K Autocallable Barrier Notes with Memory Coupons due November 02, 2028 Linked to the Least Performing of the common stock of The Coca-Cola Company... (continue reading...)
This pricing supplement, which is not complete and may be changed, relates to an effective Registration Statement under the Securities Act of 1933. This pricing supplement and the accompanying prospectus supplement and prospectus are not an offer to sell these notes in any country or jurisdiction where such an offer would not be permitted.
Preliminary Pricing... (continue reading...)
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