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Optiver波动率预测大赛系列解读一:相关概念及数据介绍

量化投资与机器学习微信公众号,是业内垂直于量化投资、对冲基金、Fintech、人工智能、大数据等领域的主流自媒体。公众号拥有来自公募、私募、券商、期货、银行、保险、高校等行业20W+关注者,连续2年被腾讯云+社区评选...

2021-10-12
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AKShare-股票数据-公司诉讼

本次更新上市公司的公司诉讼接口。上市公司发生的重大诉讼、仲裁事项涉及金额占公司最近一期经审计净资产绝对值 10%以上,且绝对金额超过一千万元的,应当及时披露。...

2021-10-08
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使用LEFT JOIN实现多表查询

最近,发现车间在使用条码打印系统打印的时候,为了打印条码,从系统生产任务单中一个一个复制到EXCEL表中,然后根据事先设置的模板进行批量打印,这种重复性的CTRL+C和CTRTL+V不但效率低,而且还容易出错。...

2021-09-14
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LeetCode 0188 - Best Time to Buy and Sell Stock IV

Say you have an array for which the ith element is the price of a given stock on day i.

2021-08-11
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LeetCode 0309 - Best Time to Buy and Sell Stock with Cooldown

Say you have an array for which the ith element is the price of a given stock on day i.

2021-08-11
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LeetCode 0121 - Best Time to Buy and Sell Stock

Say you have an array for which the ith element is the price of a given stock on day i.

2021-08-11
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LeetCode 0122 - Best Time to Buy and Sell Stock II

Say you have an array for which the ith element is the price of a given stock on day i.

2021-08-11
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LeetCode 0123 - Best Time to Buy and Sell Stock III

Say you have an array for which the ith element is the price of a given stock on day i.

2021-08-11
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供应链数据因子化研究:Customer Momentum

量化投资与机器学公众号 QIML Insight——深度研读系列 是公众号今年全力打造的一档深度、前沿、高水准栏目。

2021-07-07
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SAP WM 二步法确认TO场景下WM库存状态变化

Source storage type OFL里存在pick quantity库存140 KG,其中包含这个TO单里需要拣配的10KG。Destination storage type BB2里stock for putaway里数量为0. 如上图。

2021-06-23
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