The 3 X short $QQQ we have monitored all year and was another factor we used to determine that the market was still going higher in October, I have attached the chart from October too, clearly showing the bearish channel and where I see Wave C going to.
When the market does complete Wave 5, many members may consider this ETF instead of shorting the market conventionally, I think this is a safer option but because it is 3 X leveraged, I think you should not allocate large amounts in and I would also wait for full confirmation of the correction before entering, we do not want to be in this ETF if the market rebounds unexpectedly.