Central Banks Scale Back Quantitative Easing as Global Monetary Tightening Cycle Enters New Phase in 2026

The era of aggressive quantitative easing that flooded global financial markets with trillions of dollars in liquidity appears to be drawing to a close, as the world's most influential central banks press forward with balance sheet reduction programmes that are reshaping the landscape of fixed income and equity markets heading into the second half of 2026.

The Federal Reserve has maintained its quantitative tightening programme, allowing Treasury securities and mortgage-backed securities to roll off its balance sheet at a measured pace. Having commenced the wind-down from a peak balance sheet of approximately $9 trillion accumulated through successive rounds of asset purchases during the pandemic era, the Fed's balance sheet has contracted substantially, reflecting policymakers' continued commitment to normalising monetary conditions even as rate-cut expectations have remained a central topic of debate among market participants throughout the year.

Across the Atlantic, the European Central Bank has similarly pressed ahead with its own balance sheet normalisation. The ECB concluded net purchases under its Asset Purchase Programme in mid-2022 and subsequently allowed reinvestments under the Pandemic Emergency Purchase Programme to lapse, a process that has now largely run its course. ECB President Christine Lagarde and the Governing Council have reiterated their data-dependent approach, with eurozone inflation having retreated meaningfully from the double-digit peaks of 2022 and 2023, though services inflation has proved stickier than policymakers initially anticipated.

The Bank of England has pursued one of the most active approaches to quantitative tightening among the Group of Seven central banks, conducting outright gilt sales rather than relying solely on passive roll-off. The Bank's Monetary Policy Committee has authorised active gilt sales as part of its strategy to reduce the Asset Purchase Facility, which at its height held more than £895 billion in UK government bonds. The process has not been without friction, with the gilt market periodically showing sensitivity to the pace and volume of sales, particularly at moments of broader risk-off sentiment in global credit markets.

In Asia, the Bank of Japan stands as a notable outlier to the global tightening trend. After decades of near-constant quantitative and qualitative easing, the BoJ has cautiously pivoted toward policy normalisation, having exited negative interest rate territory in 2024 and gradually adjusting its yield curve control framework. However, the central bank's balance sheet remains extraordinarily large relative to Japan's GDP, and officials have signalled a gradual and highly cautious approach to any meaningful reduction in asset holdings, wary of disrupting the country's fragile reflation dynamic.

Market participants have been closely monitoring the interaction between quantitative tightening and government borrowing requirements, which have remained elevated in many major economies. In the United States, the Treasury's ongoing need to finance substantial fiscal deficits has raised questions about the capacity of private-sector buyers to absorb supply that was previously being mopped up by the Fed. Some analysts at major investment banks have pointed to the term premium in longer-dated Treasuries as having partially normalised in response to reduced central bank demand, contributing to a steepening of yield curves in certain periods.

The cumulative impact of quantitative tightening on bank reserves and overall financial system liquidity has also attracted growing attention from regulators and market observers. Repo market conditions and indicators of reserve scarcity have periodically flashed amber, prompting debate about how close major central banks may be approaching the so-called lowest comfortable level of reserves — a threshold below which money market functioning could become impaired.

**Outlook**

Looking ahead, the trajectory of central bank balance sheet policy will remain one of the defining questions for global capital markets through the remainder of 2026 and into 2027. If major economies continue to experience disinflation without triggering a sharp deterioration in labour markets, central banks may find scope to resume cutting policy rates while simultaneously continuing balance sheet runoff — a combination that would represent a novel and technically demanding policy mix. However, any significant economic downturn or renewed financial stability stress could prompt a rapid reversal, with quantitative easing tools remaining very much in policymakers' arsenals even as they are not currently being deployed. Investors in government bonds, credit markets, and rate-sensitive equities would do well to monitor central bank communication carefully in the months ahead, as even incremental changes in the pace or composition of balance sheet adjustments have historically proven capable of generating outsized market moves.