Inter-bank Offered Rates (IBORs), a series of interest rate benchmarks, are undergoing a period of change as regulators and industry groups have recommended that firms transition away from the London Inter-bank Offered Rate (LIBOR) and other IBORs and prepare to replace them with alternative, overnight Risk Free Rates (RFRs). These RFRs, including SOFR (USD), €STR (EUR) and SONIA (GBP), are typically administered and published by major central banks worldwide. Transitioning to the RFRs will be a demanding and complex process for the industry as RFRs are structurally different from IBORs. They are overnight rates and exhibit different liquidity characteristics and supply/demand issues than IBORs.

To address the risk that one or more IBORs are discontinued while market participants continue to have exposure to that rate, counterparties are encouraged to agree to contractual fallback provisions that would provide for adjusted versions of the RFRs as replacement rates.

Due to the fundamental differences in the nature of IBORs and the RFRs, key adjustments are necessary if fallbacks to RFRs are to take effect in contracts that were originally negotiated to reference the IBORs. ISDA ran public consultations to finalize the adjustment methodologies and subsequently issued a tender invitation for a vendor to perform and distribute these necessary adjustments.

These consultations yielded industry consensus, and more information about them can be found below.

IBOR Fallback Rate Adjustments FAQs

December 2019 Benchmark Fallbacks Supplemental Consultation

Results – September 2019 Consultation on Final Parameters

September 2019 Consultation on Final Parameters

Results – May 2019 Supplemental Consultation

Results – May 2019 Consultation on Pre-Cessation Issues

May 2019 Benchmark Fallbacks Consultations

Results – 2018 Benchmark Fallbacks Consultation

2018 Benchmark Fallbacks Consultation

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