A computer-implemented method and system for trading of debt securities (bonds), where multiple dealers participate and compete on a single platform (100). Dealers and investors have respective interfaces (250, 230) for communicating. In one aspect, dealers announce new debt security issues (400), the...http://www.google.de/patents/US7526443?utm_source=gb-gplus-sharePatent US7526443 - Method and system for computer-implemented trading of secondary market debt securities