New Zealand Joins the Global Benchmark Reform Movement

The Reserve Bank of New Zealand (RBNZ) has issued a statement of support for the New Zealand Financial Markets Association’s (NZFMA) selection of New Zealand’s Official Cash Rate (OCR) as the country’s fall-back benchmark interest rate.

“Global interest rate benchmarks, such as Libor, play a substantial role in the valuation of financial derivatives and contracts,” says RBNZ assistant governor and general manager of economics, financial markets and banking, Christian Hawkesby. “Reforms are underway internationally to improve the integrity of these benchmarks, following manipulation by several financial institutions overseas.”

While New Zealand’s benchmark interest rate (BKBM) has not faced the issues seen elsewhere in the world, NZFMA has made a number of changes to further improve its reliability and robustness in line with developments in global best practice. As a part of these improvements the NZFMA, in conjunction with consultation from industry representatives, has selected the OCR to act as the risk-free fall-back benchmark interest rate for BKBM.

“In the first quarter of 2020, the International Swaps and Derivatives Association (ISDA) will be updating its 2006 fall-back provisions.,” says Hawkesby. “Following this it would be prudent for market participants to adopt them in contracts that reference BKBM.”

ISDA will also publish a protocol to enable market participants to include fall-back benchmark rates within legacy Ibor trades if they choose to, and has appointed Bloomberg Index Services to calculate and publish the term rate adjustment (using compounded setting in arrears) and credit spread adjustment (using a historical median) for the fall-back benchmark rate should it be needed.

NZFMA has advised that it intends to operate dual interest rate benchmarks, retaining BKBM and developing risk-free rates (RFRs). “The NZFMA believes BKBM will continue as an important financial benchmark, whilst the use of RFRs will increase in line with international developments,” says CEO Paul Atmore.

The new risk-free interest-rate benchmarks will be calculated independently to the BKBM fall-back benchmark rate, with NZFMA currently developing a term structure methodology.

Internationally, it is widely recognised that Libor will no longer be calculated and published beyond 2021. The RBNZ says in the statement that market participants in New Zealand who have contracts referencing Libor should continue preparing for this by transitioning to alternative benchmark rates, and adopting more robust fall-back provisions in their contracts. “While some banks have made good progress, market participants need to accelerate efforts to ensure they are prepared for Libor cessation by the end of 2021,” it says.

Colin Lambert

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