According to Michaël van de Poppe, Bitcoin (BTC) is starting the month with a casual tone, as stated in his X post on Dec 1, 2025, source: Michaël van de Poppe on X, Dec 1, 2025. He did not cite specific price levels or catalysts, framing BTC’s early-month backdrop as calm, source: Michaël van de Poppe on X, Dec 1, 2025.