BoE to publish ‘golden source’ compounded Sonia index in July

UK to align with US in effort eliminate interest calculation mismatches and turbo-charge adoption


The Bank of England has bowed to industry calls for an official Sonia index, and will publish a new ‘golden source’ compounded-in-arrears version of the risk-free rate from July.

The move aligns with the US, where the Federal Reserve Bank of New York plans to publish a compounded-in-arrears index on the secured overnight financing rate (SOFR) from March 2. 

According to Andrew Hauser, executive director for markets at the Bank of England, the latest development is part of an effort to

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