The Administrator is launching a consultation on proposed changes to the CME CF Bitcoin Volatility Index - Settlement (BVXS) Methodology.
The Administrator proposes changes to Section 7 (Parameters) as outlined in the table below.

The proposed methodology changes mean that product providers that replicate or utilize the CME CF Bitcoin Volatility Index - Settlement Methodology may need to factor the changes into their processes and products when transacting in instruments that are linked to the index. The financial value of contracts, instruments and funds that directly reference or are settled using this index may be impacted by the proposed changes.
The Administrator proposes to implement the changes to the CME CF Bitcoin Volatility Index - Settlement Methodology at 11:00 London Time on April 20th, 2026.
The consultation will begin on April 9th, 2026, and end on April 16th, 2026, at 16:00 London Time. All responses will be treated confidentially in accordance with the Administrator’s policies and procedures. The consultation will be overseen by the CF Oversight Function, in accordance with UK BMR.
In case of any questions or queries please do not hesitate to contact [email protected].
Any users wishing to file a complaint regarding this consultation process can do so confidentially by writing to [email protected].
The information contained within is for educational and informational purposes ONLY. It is not intended nor should it be considered an invitation or inducement to buy or sell any of the underlying instruments cited including but not limited to cryptoassets, financial instruments or any instruments that reference any index provided by CF Benchmarks Ltd. This communication is not intended to persuade or incite you to buy or sell security or securities noted within. Any commentary provided is the opinion of the author and should not be considered a personalised recommendation. Please contact your financial adviser or professional before making an investment decision.
Note: Some of the underlying instruments cited within this material may be restricted to certain customer categories in certain jurisdictions.
Factor Friday: the quietest cross-section of 2026, with just 2.06pp between best and worst. Size led at +0.69% and Momentum finished last at -1.37%, reversing two weeks of leadership. The Market fell -1.30%, its sixth straight step down. Neither direction nor selection paid.

Mark Pilipczuk
This item corrects Addition of the CF Worldcoin-Dollar Settlement Price (WLDUSD_RR) and CF Worldcoin-Dollar Spot Rate (WLDUSD_RTI) to the CF Digital Asset Index Family, published on August 10th, 2026. The Administrator confirms that the CF Worldcoin-Dollar Settlement Price and CF Worldcoin-Dollar Spot Rate will not be launched as new benchmarks. Instead, Crypto.com will be suspended as a CF Constituent Exchange for both existing benchmarks. Following this change, Coinbase and Kraken will remain

Alise Kane
The Administrator has confirmed changes to the Token Market Price Family for the period 04 August 2026 to 11 August 2026.

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