An electronic security exchange based in Tokyo, Japan. Originally an over the counter market, Jasdaq launched an electronic trading platform featuring an automated quotation system similar to the Nasdaq.
Taobiz explains Japan Association Of Securities Dealers Automated Quotation - Jasdaq
In 1963, the Japan Securities Dealers Association created an over-the-counter system for security trading. In 1991, the association launched the Jasdaq system, which converted its current operations into an electronic security trading market. In 2004, the corporation changed its name to the Jasdaq Securities Exchange, and was formally recognized as a securities exchange.