The "death cross" market chart pattern refers to the drop of a short-term moving average—meaning the average of recent closing prices for a stock, stock index, commodity, or cryptocurrency over a set period of time—below a longer-term moving average. The most closely watched stock-market moving averages are the 50-day and the 200-day.
I found a definition.
The "death cross" market chart pattern refers to the drop of a short-term moving average—meaning the average of recent closing prices for a stock, stock index, commodity, or cryptocurrency over a set period of time—below a longer-term moving average. The most closely watched stock-market moving averages are the 50-day and the 200-day.
https://www.investopedia.com/terms/d/deathcross.asp