Wow. The lady he was referring to who said 800 on the S&P must have lost a ton of money. The date of the video was June 25. The S&P closed at 920 on June 25.

Now the S&P is at 1091 so the index increased 18.6% since that video!! And it's only been 5 months.

I'd say they work almost every time. When talking long-term I'd say from what I have seen they work 80% of the time. And by long-term I mean buying at the date of the golden cross and checking the price again 1 year or more later.

There are incidences when it doesn't work. Perfect example was CHB. Got a golden cross and then a couple weeks later declared bankruptcy...