No0vly=number of no-trading days over the prior 250 trading days+1/To1y/1,000,000
where To1y is the average daily turnover over the prior 250 trading days, daily turnover is the ratio of the number of shares traded on a day to the number of shares outstanding at the end of the day, and 0 < 1/To1y/1;000;000 < 1 for all stocks in the sample.
谢谢大家！着急呢！
[此贴子已经被作者于2009-2-22 0:35:07编辑过]
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