Fed's Balance Sheet Expansion: What to Expect in 2026? (2025)

The Fed's Tightrope Walk: Balancing Act or Imminent Shift?

The Federal Reserve finds itself at a crossroads, navigating a delicate balance between tightening funding conditions and the potential need for open market operations. But here's where it gets intriguing: while the December FOMC meeting might seem like the perfect stage for announcing a balance sheet expansion, it's likely too early for such a move. Let's delve into the intricacies of this financial tightrope walk.

Funding Squeeze: A Temporary Hitch or Looming Crisis?

Recent data reveals a surge in the usage of the Fed's standing repo facility (SRF), with a staggering $26 billion tapped on December 1st, the highest since October 31st. This coincides with a rise in the tri-party general collateral repo rate (TGCR) to 18 basis points above the interest on reserves (IORB). These developments signal a tightening in funding markets as the year draws to a close. As we've previously discussed (see [link 1] and [link 2]), this isn't entirely unexpected.

However, the Fed's unease becomes evident when examining the effective federal funds rate's slight uptick on November 28th, despite the TGCR-IORB spread remaining at 18 basis points. This suggests the Fed is wary of upward pressure on repo spreads, which could jeopardize its control over interest rates.

The Liquidity Conundrum: When 'Ample' Isn't Enough

While funding pressures have historically been concentrated around specific dates, there's a growing risk of more frequent occurrences, even on seemingly ordinary days. This reality has prompted the Fed to acknowledge the eventual need to expand its balance sheet. As other liabilities, like currency in circulation, increase, reserves will dwindle, exacerbating liquidity strains. Reserves, once considered abundant, are now merely deemed 'ample'.

Exhibit #1: SRF Usage - A Barometer of Stress

[Insert Exhibit #1 description and source here]

This chart vividly illustrates the correlation between SRF usage and funding stress. Interestingly, the Fed would likely prefer more frequent and larger SRF utilization, potentially reducing the need for open market operations. However, transitioning to such operations presents a communication challenge. The Fed must clearly differentiate these actions from quantitative easing, emphasizing their role as reserve management tools. Unfortunately, the SRF's appeal is dampened by internal and external stigma, along with the absence of central clearing.

December FOMC: Too Soon for Balance Sheet Expansion?

While we recently explored the Fed's monetary policy decision ([link 3]) and will provide a formal FOMC preview next week, it's worth pondering whether reserve management operations will be announced at the upcoming meeting. We believe this is unlikely. The Fed's public communications have only vaguely alluded to such operations, lacking the specificity expected for imminent implementation. Moreover, with funding strains largely confined to specific dates, initiating these operations now might be premature. We anticipate their commencement in early 2026, as funding conditions gradually tighten further.

Supplementary Leverage Ratio Reform: A Game-Changer or Mere Tweak?

And this is the part most people miss: the recent eSLR reform, aimed at encouraging banks to engage in low-risk activities like U.S. Treasury market intermediation, might not have the anticipated impact on yields.

Exhibit #2: Dealer UST Holdings - Room for Growth?

[Insert Exhibit #2 description and source here]

Dealer holdings of U.S. Treasury coupons are already near record highs, both in absolute terms and as a proportion of all coupon securities in circulation. While there's some room for growth, it's limited. The reform, expected since the election and initially proposed by Fed Vice Chair Michelle Bowman in spring, isn't exactly groundbreaking news.

Exhibit #3: Swap Spreads - A Tale of Anticipation

[Insert Exhibit #3 description and source here]

Swap spreads, a key indicator for hedging rate risk, have already widened in anticipation of the eSLR reform, both when it was first proposed and as its adoption became more likely.

The Unintended Consequences: Lending vs. Treasury Holdings

By freeing up balance sheet capacity, particularly for G-SIB subsidiaries, banks might prioritize more profitable activities like lending over increasing Treasury holdings. While holding more Treasurys could provide stability during market dislocations, it also introduces interest rate risk, potentially exacerbating instability during stress events.

The Million-Dollar Question: What's Next?

Will the Fed's gradual approach to balance sheet expansion suffice, or will funding pressures necessitate more immediate action? Will eSLR reform significantly impact Treasury yields, or will its effects be marginal? These questions remain open to debate. What's your take? Do you think the Fed is striking the right balance, or is a more proactive approach warranted? Let us know in the comments below!

Fed's Balance Sheet Expansion: What to Expect in 2026? (2025)
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