According to @CryptoMichNL, BTC dominance has broken down, and if this weakness continues over the coming weeks it would not signal a bear market in his view (source: X post by Michaël van de Poppe, Nov 20, 2025). For trading, BTC.D tracks Bitcoin’s share of total crypto market capitalization and is widely monitored to assess rotations between BTC and altcoins (source: TradingView BTC.D index). Traders can focus on confirmation of follow-through in BTC.D and adjust BTC versus altcoin exposure only after confirmation aligns with the stated view of ongoing weakness (source: X post by Michaël van de Poppe, Nov 20, 2025; source: TradingView BTC.D index).