从2018年6月4日起,公众号每发布一篇文章,就为大家分享一张Octodex的创意图。
# 003
今天分享一篇基于PPT的高频交易研究。解读了部分内容,其余部分大家可以在【阅读原文】下载代码自行研究。
限价订单薄(LOB)
- Top of the Book - highest bid and the lowest ask orders
- Price levels - several orders at the same price
- Book depth - number of price levels available at a particular time in the book
- The LOB data gives traders insight into supply and demand of market microstructure, and short-term price movements
解释LOB
来源:https://nms.kcl.ac.uk/rll/enrique-miranda/index.html
推荐这个网站哈!
- 高频价格与每日价格
HF return - significantly smaller mean and variance, but sharper peak and fatter tail(肥尾)
代码展示
自相关性
High frequency log return - significantly less autocorrelation - fails to meet strong autocorrelation assumption of time series models.
代码展示
GARCH模拟
结论:时间序列模型仍然适用于高频数据。
缺点:
1、suboptimal parameters due to failure to converge.(未收敛)
2、can’t model discrete / tick-size or zero price return.
代码展示
下面介绍其他的内容:
综合应用
- RNN 策略
- 特征与标签生成
我们看到是一些基于量价和算法的特征
- 模型构成
- 策略思路
- 结果和后续操作
统计套利策略
- 配对交易基于 Avellaneda-Lee
举例
部分代码:
全部代码:
参考文献
[1] Avellaneda, M., & Lee, J. H. (2010). Statistical Arbitrage in the US Equities Market. Quantitative Finance, 10(7), p.761-782.
[2] Cartea, A., Jaimungal, S., and Peñalva, J. (2015). Algorithmic and high frequency trading. Cambridge University Press, chapter 11.
[3] Kercheval, A. and Zhang, Y. Modeling high-frequency limit order book dynamics with support vector machines. University of Florida, 2013