Quantitative Finance and Economics (QFE) provides an advanced forum for communicating research results related to quantitative finance and economics. In order to promote the marginal contribution of the journal, QFE focuses on the following fields: 1) Quantitative research on the basis of indexes, like compilation methodologies for financial indexes and their data dissemination, including but not limited to financial condition indexes, digital finance indexes and so forth; 2) Financialization, including but not limited to leverage ratios, financialization behaviors of enterprises and so forth; 3) Digital finance and risk management, concerning on quantitative research of financial risk through the application of information technology, including but not limited to sovereign digital currencies and monetary policies, financial risks induced by digital finance and so forth. We publish the following article types: original research articles, reviews, editorials, letters, and conference reports.