You can calculate the altcoin market share as:Altcoin Market Cap % = 100% - BTC Dominance % So if: Total crypto market cap = $2.5 trillion. Bitcoin dominance = 50%
Then:
BTC Market Cap = $1.25 trillion
Altcoin Market Cap = $1.25 trillion
Note :In this case, altcoins “cover” 100% of Bitcoin's market cap.#BTCRebound