According to @rovercrc, Bitcoin dominance is exploding, signaling a sharp rise in BTC’s share of total crypto market capitalization, source: X post by @rovercrc on Oct 11, 2025 https://twitter.com/rovercrc/status/1976873154682536270. Bitcoin dominance measures BTC’s percentage of the overall crypto market cap and is widely used by traders to assess capital rotation between BTC and altcoins, source: Binance Academy – What Is Bitcoin Dominance? https://academy.binance.com/en/articles/what-is-bitcoin-dominance and Investopedia – Bitcoin Dominance https://www.investopedia.com/bitcoin-dominance-definition-7375105. Historically, rising BTC.D tends to coincide with altcoin underperformance and stronger relative momentum in BTC, a relationship monitored for positioning and risk management, source: Binance Academy – What Is Bitcoin Dominance? https://academy.binance.com/en/articles/what-is-bitcoin-dominance. For confirmation and timing, traders can track the BTC.D chart for breakout structure and trend continuation using the BTC.D index on TradingView, source: TradingView – CRYPTOCAP:BTC.D https://www.tradingview.com/symbols/CRYPTOCAP-BTC.D/.