Regulators and markets · read and summarised every morningEspañol
The Neural Herald
Keeping up with financial sector regulation
Bank of Spain19 October 2026Documento ocasional

Occasional Papers. 2620. Determinants of the interest rate type of mortgages and the evolution of their margins during the 2022-2023 monetary policy tightening

The Neural Herald summary, AI-generated

Occasional Paper examining why fixed-rate mortgages have gone from a minority to the dominant product in Spain and how margins evolved during the 2022-2023 monetary tightening. Supply factors linked to banks explain more than demand factors, and larger banks are more inclined to lend at fixed rates.

Key points

Who is affected

Credit institutions, mortgage borrowers and monetary transmission analysts.

Plain-language version

A Bank of Spain study explains why fixed-rate mortgages, where the monthly payment does not change, went from rare to the most common type in Spain. What banks offer matters more than what borrowers ask for. When interest rates rose in 2022-2023, banks made less money on these mortgages.
Read the original document →
Prompt for your AICopies a ready-to-paste prompt for ChatGPT, Claude or Gemini: it asks the model to read the official document and not to make anything up.

Summary produced with artificial intelligence from the official publication. It may contain errors: always check the original document.

More from Bank of Spain