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| \  / ||  |  ___||     ___     / _ \\   / ____|| 
|  \/  ||  | ||__      /   ||  | / \ || / //---`' 
| .  . ||  | ||__     | [] ||  | \_/ || \ \\___   
|_|\/|_||  |_____||    \__ ||   \___//   \_____|| 
`-`  `-`   `-----`      -|_||   `---`     `----`  
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發送短信 : Holding-Period Returns and Volatility of Nikkei