Dollar/yen currency options rose slightly amid little activity in Asia on Thursday as the dollar continued to rise above Y77.00, moving well away from the psychologically important Y76.00 level widely seen as the risk area for possible market intervention by Japanese authorities. An options dealer at a Japanese trust bank said the market for dollar/yen options "isn't moving much." One market participant purchased a three-month at-the-money dollar/yen option with an implied volatility of 8.50%, he added. The notional value was unknown. A trader at a major bank in Tokyo said he expected the dollar to rise toward the ... (full story)