As shown in the image, a shift in dominance requires two weekly closes to officially mark the start of the altcoin season.
First close: Below 64.78%, which would activate the double top pattern on the weekly chart.
Second close: Below the ascending channel trendline, which would signal a shift in trend from upward to downward, thereby officially starting the altcoin season.
Note: As long as dominance remains within this channel, the trend remains bullish.
We previously witnessed a breakdown of this channel on the weekly timeframe in November 2024, but the following candle formed a fake breakout, returning dominance back into the channel, and we saw a rise from 54% to 66%.
Hence, beware of fake breakouts during the first candle, as they often determine the upcoming