With every new token circulating in the market, they should add up some value and have their own share of total dominance by price.
But for some years, we are having an increasing number of new coins and tokens being traded but still bitcoin is increasing it's dominance.
According to coinmarketcap, bitcoin now holds a 42% dominance. i.e. the 42% of total capitalization of cryptocurrencies is that of bitcoin.
How is it possible? Are altcoins failing?
As the percentage of Bitcoin increases, it is thought that people are afraid to invest in Altcoin. The percentage of Bitcoin shows that it is the strongest Coin. Altcoin is partly developed by Bitcoin, however if the percentage of Bitcoin decreases, it is a good sign for the market to grow, showing the comfort of investors.