Bolsa de Madrid Bolsa de Madrid Bolsa de Madrid (; Madrid Stock Exchange) is the largest and most international of Spain's four regional stock exchanges (the others are located in Barcelona, Valencia, and Bilbao) that trade shares and convertible bonds and fixed income securities, and both government and private-sector debt. Bolsa de Madrid is owned by Bolsas y Mercados Españoles. The reorganisation of Spain's financial market under the national umbrella of the Spanish Stock Market includes the "bolsas", the derivatives markets, and fixed-income markets. Trading is linked through the electronic Spanish Stock Market Interconnection System (SIBE), which handles more than 90% of transactions;
Comisión Nacional Bancaria y de Valores that financial institutions implement preventive control mechanisms and audit verifies compliance with legal and administrative requirements, streamlines the information requirements of the Mexican banking system, and investigates breaches of regulations. Dieck Assad, F. A. (2006). "Instituciones financieras". México: McGraw Hill, 4a. ed. Comisión Nacional Bancaria y de Valores In Mexico, the Comisión Nacional Bancaria y de Valores (CNBV) () is an independent agency of the Secretariat of Finance and Public Credit (Mexico) (SHCP) body with technical autonomy and executive powers over the Mexican financial system. Its main role is to supervise and regulate the entities that make up the Mexican