- Madrid Stock Exchange
- Marginal lending facility
- MFI consolidated balance sheet
- MFI interest rates
- MFI longer-term financial liabilities
- MFI net assets
- Mibor
- Minimum reserve requirements for credit institutions
- Monetary financial institutions
- Monetary gold and special drawing rights
- Monetary gold and special drawing rights by institutional sector
- Money market funds
- Mortgage market rates
- Motor vehicle indicators