Accessibility StatementSkip Navigation CHICAGO and LONDON, Nov. 20, 2025 /PRNewswire/ --Â CME Group, the world's leading derivatives marketplace, and CF Benchmarks, the leading provider of cryptocurrency benchmark indices, today announced plans to launch two new bitcoin volatility indices on December 2 – the CME CF Bitcoin Volatility Index - Real Time (BVX) and the CME CF Bitcoin Volatility Index - Settlement (BVXS). These indices represent forward-looking, market-based measures of how the market expects th ...