https://www.wishingwealthblog.com/2021/04/blog-post-first-day-of-qqq-short-term-up-trend-more-confident-to-trade-with-it-if-when-it-reaches-5th-day-since-2006-about-40-of-new-qqq-short-term-up-trends-ended-before-day-5/
Blog post: First day of $QQQ short term up-trend; more confident to trade with it if/when it reaches 5th day; Since 2006 about 40% of new QQQ short term up-trends ended before Day 5