神马品牌网七色战记漫画:please help me to translate the sentence
来源：百度文库 编辑：神马品牌网 时间：2024/05/01 23:35:49
the sentence is:
This paper uses transaction prices from the futures markets to study the impact of open market operations. The returns are the natural logarithm of the current price divided by the previous price.We estimate the volatility that occurs within the hour since only two points are used to calculate the hourly return and frequent information arrival may occur within the hour.We calculate the volatility of two-minute returns for four half-hour intervals:10:00am-10:30am,10:30am-11:00am,11:00am-11:30am,and 11:30am-12:00pm(Fed Time).We also average the daily variances during Fed Time to obtain annual estimates.
急用呀，哪位好心人能帮帮我
This paper uses transaction prices from the futures markets to study the impact of open market operations. The returns are the natural logarithm of the current price divided by the previous price.We estimate the volatility that occurs within the hour since only two points are used to calculate the hourly return and frequent information arrival may occur within the hour.We calculate the volatility of two-minute returns for four half-hour intervals:10:00am-10:30am,10:30am-11:00am,11:00am-11:30am,and 11:30am-12:00pm(Fed Time).We also average the daily variances during Fed Time to obtain annual estimates.
急用呀，哪位好心人能帮帮我
这篇论文以期货市场的交易价格来研究公开市场操作的效果。
（在期货市场中）收益是现价与过去价格之比的自然对数。
由于只有两个要素被用来计算收益（现价和过去价格），
而且一个小时里会产生大量信息，
所以我们以一个小时里的收益波动来进行估计。
我们计算了10:00am-10:30am,10:30am-11:00am,11:00am-11:30am,11:30am-12:00pm（美国标准时间）四个时段的每两分钟的收益的波动情况
同时，我们也对每天的收益变化取均值以进行年收益的估计。
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