Japanese trading costs fall by a third in January

Arrowhead, the high-frequency trading system launched by the Tokyo Stock Exchange on January 4, has reduced trading costs by over a third and hugely increased trading speeds. These improvements are in turn boosting activity. Robert Hogan, head of execution services at Deutsche Securities in Tokyo, says Arrowhead has directly impacted trading. The latency for the exchange to accept an order has gone from 2.5 seconds previously to about 2.6 milliseconds, a thousand-fold improvement. "…