CRYPTOCAP:USDT.D   Market Cap USDT Dominance, %
Here we can see that "USDTDOM" has a trendline resistance at in 1 hour time frame so you can see that if the price breaks the trendline then all alts including btc will fall and if the price takes rejection here we can see a good upward movement in BTC and all other ALTs.

Disclaimer

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.