Centralized exchanges (CEX) hold a commanding lead in Bitcoin futures, with open interest reaching $25.26 billion, three times that of the Chicago Mercantile Exchange (CME), which stands at $8.32 billion. This disparity highlights the significant role of CEX in shaping Bitcoin's price dynamics through perpetual futures and leverage. As of April 28, 2026, the combined derivatives exposure from CEX and CME totals $33.58 billion, dwarfing the $1.92 billion spot market volume. Derivatives account for approximately 94.6% of the market's open exposure, with CEX contributing 71.2% and CME 23.4%. Despite CME's role in institutionalizing Bitcoin, CEX remains the primary force in price formation.