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

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Text this: A study on bid-ask spread patterns of Nikkei 225 stock index futures traded on SGX-DT and OSE.