The purpose of prudential liquidity regulations is to ensure that institutions are liquid at all times. Quantitative provisions for liquidity were introduced into European law for the first time by the Capital Requirements Regulation (CRR, Regulation (EU) No 575/2013), in keeping with the Basel liquidity framework. The two Basel minimum standards (LCR, NSFR) and the additional monitoring metrics (AMM) were implemented by means of appropriate implementing technical standards and/or revised by Regulation (EU) 2019/876, which amended the CRR.

The continual observation of price stability is based on analyses of price statistics. Particular attention is usually paid to the German Harmonised Index of Consumer Prices (HICP) and the national Consumer Price Index (CPI), which are both published by the Federal Statistical Office and often used throughout the EU and as inflation measures.

The Centralised Securities Database is a security-by-security reference database that contains data on instruments, issuers and prices for debt securities, equity instruments and investment fund shares issued worldwide. A security-by-security database is a microdatabase that stores statistics at an individual security level.

The Bundesbank has a dedicated credit assessment system to assess the credit quality of debtors of non-marketable assets. Credit assessment goes back a long way at the Bundesbank. Counterparties can use the Bank's credit assessment to determine an enterprise's or debtor's eligibility in the context of their monetary policy operations.