CF Benchmarks incident
Calculation Failure of CF Bitcoin Volatility Index - Real Time
Resolved on November 28, 2025.
The Administrator reports the occurrence of a Calculation Failure for the index listed below. Full Index Name: CF Bitcoin Volatility Index - Real Time Ticker: BVX Date: 28-November-2025 In accordance with the Administrators Contingency Calculation Rules the CF Bitcoin Volatility Index - Real Time calculation failure occurred on Friday, November 28th, 2025. This was caused by the CME Globex Futures & Options Markets Halt and no input data was observed for the purpose of calculating the CF Bitcoin Volatility Index - Real Time: https://www.cmegroup.com/tools-information/cme-global-command-center-system-alerts.html CF Bitcoin Volatility Index - Settlement (BVXS) published on time on Friday, November 28th, 2025. The occurrence of any Index Price calculation failure is reported to an applicable Oversight Organ. Questions or queries regarding this process and decision should be directed to [email protected]. Any complaints regarding this process and decision can be made confidentially by writing to [email protected].
Update timeline
- resolved Nov 28, 2025, 04:07 PM UTC
The Administrator reports the occurrence of a Calculation Failure for the index listed below. Full Index Name: CF Bitcoin Volatility Index - Real Time Ticker: BVX Date: 28-November-2025 In accordance with the Administrators Contingency Calculation Rules the CF Bitcoin Volatility Index - Real Time calculation failure occurred on Friday, November 28th, 2025. This was caused by the CME Globex Futures & Options Markets Halt and no input data was observed for the purpose of calculating the CF Bitcoin Volatility Index - Real Time: https://www.cmegroup.com/tools-information/cme-global-command-center-system-alerts.html CF Bitcoin Volatility Index - Settlement (BVXS) published on time on Friday, November 28th, 2025. The occurrence of any Index Price calculation failure is reported to an applicable Oversight Organ. Questions or queries regarding this process and decision should be directed to [email protected]. Any complaints regarding this process and decision can be made confidentially by writing to [email protected].
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