
Citable snapshot of the 15-Year Fixed Mortgage Rate economic series as tracked by CalcFi (calcfi.app). Primary source: Freddie Mac via FRED (MORTGAGE15US) (series ID MORTGAGE15US). Updated weekly on the live site; this Zenodo record is the immutable, citable snapshot dated 2026-06-06. This record is part of the CalcFi open data community on Zenodo — the archive for citable rate-series and methodology releases backing every calculator on calcfi.app. License: CC-BY 4.0. Live surfaces for this series Interactive history page: https://calcfi.app/rates/history/15-year-fixed Live JSON endpoint: https://calcfi.app/api/rates/15-year-fixed Primary source: Freddie Mac via FRED (MORTGAGE15US) Provider homepage: Federal Reserve Economic Data (FRED) Series metadata Slug: 15-year-fixed Category: mortgage-rates Unit: percent Update cadence: weekly Source series ID: MORTGAGE15US Related CalcFi surfaces Open data hub Research outputs index Methodology and provenance Developer documentation Full rates index (JSON) LLM-discovery file CalcFi Zenodo community ORCID author profile (Jere Salmisto) How to cite @dataset{calcfi_15_year_fixed_20260606, author = {Salmisto, Jere}, title = {CalcFi 15-Year Fixed Mortgage Rate — Snapshot 2026-06-06}, year = {2026}, publisher = {Zenodo}, note = {Source: Freddie Mac via FRED (MORTGAGE15US), series ID MORTGAGE15US}, url = {https://calcfi.app/rates/history/15-year-fixed} } Disclaimer Educational use only. Not financial, tax, or legal advice.
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primary source, 15-Year Fixed Mortgage Rate, MORTGAGE15US, US economic data, mortgage rate, open data, CC-BY 4.0, rate series, 15yr Fixed, 30-year fixed, Zenodo, CalcFi, citable dataset, housing finance, 15-year fixed, ARM, Federal Reserve Economic Data (FRED), PMMS, open finance
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