How to detect upward movement of the price?

NASDAQ:GOOG   Alphabet Inc (Google) Class C
first trend line (black trendline) has broken - means there has been a sign of price increase .. the price is testing the lowest level made before the price successfully breaks the black trendline. The blue trendline has not yet been broken. If the blue trendline is successfully broken, the bullish signal is getting stronger.

The information and publications are not meant to be, and do not constitute, financial, investment, trading, or other types of advice or recommendations supplied or endorsed by TradingView. Read more in the Terms of Use.