發送短信 : A QUANTITATIVE TEST ON THE OPTIMAL TREND FOLLOWING TRADING RULES

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