The Yellow lines represent a channel for the correction of the current BTC reversal.
If BTC breaks 48k on the upside, then the channel is broken.
If BTC breaks 46k on the downside then it breaks the channel and the trendline.
If BTC breaks 48k on the upside, then the channel is broken.
If BTC breaks 46k on the downside then it breaks the channel and the trendline.