According to @CryptoMichNL, BTC is testing a crucial resistance zone, and whether price breaks through this area is the immediate market focus for traders. Source: @CryptoMichNL on X, Sep 18, 2025. He adds that once Bitcoin stabilizes, large breakouts across altcoins are likely, pointing to a potential rotation setup to watch. Source: @CryptoMichNL on X, Sep 18, 2025.