Triple witching.....On December 19th BB announces quarterly report @ around 5:30 Eastern standard Time. The following day is triple witching. That's going to be a real spicy day with extreme volatility/ volume and movement. We could expect 100 million shares traded or more on BB on the 20th of December.
Note ... Triple witching occurs on the third Friday of the month, in the months of March/ June/Sept/ December.