General crossover logic before named variants.
| Concept | Explanation | |---|---| | Bullish crossover | A faster average or indicator crosses above a slower one. | | Bearish crossover | A faster average or indicator crosses below a slower one. | | Price-average crossover | Price crosses above or below a selected moving average. | | Trend crossover | A broader label for a change in relationship between trend-following measures. |
A crossover records a change that has already occurred. It may confirm a developing trend, but it can arrive late after a large portion of the move.