The likelihood of Bitcoin (BTC) dropping below $100,000 by 2026 has increased to 60% on the prediction platform Polymarket, up from 47% just a day earlier. This shift in sentiment comes amid a volatile week for the cryptocurrency market, with Bitcoin currently trading at $108,950, marking a decline of over 6% for the week. Polymarket's data reveals a significant $1.39 million in betting volume on the December 31, 2025 contract, reflecting growing interest in potential price corrections. The increased bearish outlook highlights market uncertainty as traders weigh Bitcoin's future trajectory.