CalcFi 15-Year Fixed Mortgage Rate (MORTGAGE15US) — Snapshot 2026-06-06

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.