Standard Guppy indicator with alerts for when EMA agreement (color) changes
In the Alerts dialog, select Guppy w/Alerts from the Condition dropdown (the ema selected next to it doesn't matter) Then select one of (Fast Trend Switch, Slow Trend Switch, Trend Switch) in the next drop down.
Trend Switch is when either set of EMAs change from bullish => neutral, neutral => bullish, bearish => neutral, or neutral => bearish Fast Trend Switch alerts only on fast EMAs switches Slow Trend Switch alerts only on slow EMAs switches