發送短信 : A two-stage realized volatility approach to the estimation for diffusion processes from discrete observations

  ____       ___      ______   __   __    ____    
 |  _ \\    / _ \\   /_____//  \ \\/ //  |  _ \\  
 | |_| ||  | / \ ||  `____ `    \ ` //   | |_| || 
 | .  //   | \_/ ||  /___//      | ||    | .  //  
 |_|\_\\    \___//   `__ `       |_||    |_|\_\\  
 `-` --`    `---`    /_//        `-`'    `-` --`  
                     `-`