The BTC .D is important because it tells investors which part of the market is stronger. In an uptrend, Bitcoin is stronger. In a downtrend, alts are stronger.However in our preditions BTC will gain main inflow of the market mid future,If you look back on the chart you can see that during the heights of the crypto bull-cycles in 2017 and 2021, the BTC .D was in a free-fall. Everyone was selling their Bitcoins and putting their gains into alts, leading to the classic alt-seasons.reversal patterns show we wiil not gonna sea any bull run in the alts until dominance gets 54% of the market cash ,in the end DYOR