DEFINITION of 'Crossover'

The point on a stock chart when a security and an indicator intersect. Crossovers are used by technical analysts to aid in forecasting the future movements in the price of a stock. In most technical analysis models, a crossover is a signal to either buy or sell.

Below we have a stock that falls below its 20-day moving average - a bearish sign.



An example of a crossover would be when the security line breaks through its 25-day moving average which may be a signal to buy the stock. Some of the indicators that use crossovers are "moving average" and "Bollinger Bands®".

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