如果一个block trade比1/4 average daily volume大,那就很可疑了.如果同时还有马上到期的otm option的几倍于average daily volume的增加,那就更要注意了.
参考: https://www.guerillastocktrading.com/options-flow-and-what-you-need-to-know/
#stocktalk
参考: https://www.guerillastocktrading.com/options-flow-and-what-you-need-to-know/
#stocktalk