Caring for the ‘future’

David Glanville and Arif Merali

Short term interest rate (STIR) futures are the bedrock of interest rate markets, used to price expectations of central bank policy rates and other UK rate derivative markets such as swaps and options (see Figure 1). They are key for the transmission of monetary policy and provide an avenue for interest rate risk hedging which is important for financial stability. Financial market liquidity usually worsens when volatility rises, however liquidity in the UK’s STIR futures during 2022 was especially poor. Liquidity in some metrics such as open interest and volumes has since improved as volatility has reduced, however our extensive market intelligence conversations suggest that many still believe there is further to go when looking ‘under-the-bonnet’ at another key metric, market depth. Volatility continues to play a role, but a reversion to publishing key data releases within market hours may help to build liquidity further.

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Futures under stress: how did gilt futures behave in the LDI crisis?

Joel Mundy and Matt Roberts-Sklar

When markets are volatile, liquidity tends to worsen. This makes it harder to intermediate buyers and sellers. We saw this during the 2022 liability-driven investment (LDI) stress, when the UK government bond (gilt) market exhibited extreme volatility. This illiquidity was also evident in gilt futures, derivatives that support functioning in the cash gilt market. Gilt futures are traded on an electronic orderbook, meaning we can examine liquidity metrics at very high frequency. Looking across a range of liquidity metrics for gilt futures, we find that liquidity was broadly unchanged following the Monetary Policy Committee’s (MPC’s) decision of 22 September 2022. But market functioning deteriorated heavily following the UK Government’s fiscal statement of 23 September and took a long time to recover.

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Liquidity resilience in the long gilt futures market

Jonathan Fullwood and Daniele Massacci

Episodes of vanishing market liquidity haunt dealers. This was true in the great stock market crash of 1929 and remains so today: in August 2018, professional corporate bond traders cited vanishing liquidity as their primary source of worry. Dealers in more-liquid long gilt futures – contracts on 10 year UK government bonds – might be less concerned. But have structural changes in the market led to less resilience over time? We address this question in a recent Staff Working Paper. We find that liquidity in the long gilt futures market has increased slightly over recent years, while remaining resilient to periods of market stress.

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Bitesize: Blink and you’ve missed it: French government bond ‘mini flash’

Gosia Goralczyk

On 16 February 2017, following the release of the ECB’s January meeting accounts, French government bond (OAT) futures experienced a so-called ‘mini flash’, with yields falling 11bps within 85 seconds, in a period of significant illiquidity, before retracing most of the move within eight minutes.

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