QT and the Fed Balance Sheet

What led to the Drop in the Fed’s Balance Sheet from April 2022 to March 2026?

The drop in the Federal Reserve Total Assets, commonly known as the ‘Balance Sheet’, from approximately $8.9 trillion in April 2022 to $6.6 trillion in March 2026 was primarily caused by a policy known as Quantitative Tightening (QT).

1. Policy Implementation: Starting in June 2022, the Federal Reserve began shrinking its balance sheet to “normalize” monetary policy and combat high inflation.
2. The “Roll-Off” Mechanism: Unlike active selling, the Fed primarily used a “passive” reduction strategy. It allowed a set amount of Treasury securities and Mortgage-Backed Securities (MBS) to mature each month without reinvesting the principal payments back into new bonds.
3. Monthly Caps: Initially, the Fed capped these “roll-offs” at $47.5 billion per month, later increasing the cap to $95 billion per month ($60B Treasuries / $35B MBS) to accelerate the reduction.
4. Reduction Phases:
   • 2022–2024: Aggressive reduction phase where assets dropped significantly from the $8.9 trillion peak.
   • 2025: The Fed began slowing the pace of the runoff (tapering QT) to avoid liquidity strains in the banking system, eventually ending the official “reduction” phase in December 2025.
   • Current State (March 2026): The balance sheet has stabilized around the $6.6 trillion mark as the Fed shifted toward a “steady-state” to maintain ample bank reserves.

How did this Impact Bank Reserves?

The reduction in WALCL (Total Assets) had a direct but complex impact on bank reserves. While it’s natural to expect reserves to drop one-for-one with assets, other “buffers” on the Fed’s balance sheet softened the blow for a long time.

1. Direct Reduction in Liquidity
   When the Fed lets a bond mature (roll off), it effectively “deletes” the money it used to buy that bond. Since bank reserves are the primary form of this money, QT exerts downward pressure on reserves. By March 2026, reserves have declined from their 2022 peak but remain in the “transition” zone. 
   • • Consensus estimate for the minimum comfortable level for reserves is between 10% and 12% of GDP, which currently places that “ample” floor roughly between $3.1 trillion and $3.8 trillion.
     • At ~ $3 trillion (March 2026), banks are becoming more protective of their cash. Reserve scarcity is becoming a factor.
2. The Role of the “Buffers” (ON RRP)
   For the first two years of QT, bank reserves actually stayed relatively stable despite the $2 trillion+ drop in assets. This happened because the Overnight Reverse Repo (ON RRP) facility acted as a shock absorber:
   • • The Swap: Instead of reserves disappearing from banks, money first drained out of the ON RRP facility (where money market funds park cash).
     • The Result: The ON RRP facility shrank from over $2 trillion to near-zero by late 2025. Only after this facility was empty did the asset drop begin to more sharply reduce actual bank reserves.
3. Impact on Money Market Rates
   As reserves began to decline more meaningfully in 2025 and 2026, the “abundance” of cash started to thin out:
   • • Upward Pressure on Rates: With fewer reserves, banks have to compete more for liquidity by actively targeting the private market. This pushed short-term rates, like SOFR, slightly higher toward the top of the Fed’s target range.
     • Volatility Risk: The Fed’s decision to stop the runoff in December 2025 was specifically to prevent a repeat of the September 2019 repo spike, where reserves got too low, causing overnight lending rates to jump.
4. Regulatory & Lending Behavior
   Banks now face a “cost” for holding reserves. Because the Fed pays interest on these balances (IORB), banks must weigh the benefit of holding safe cash at the Fed versus lending it out to businesses and consumers. They become stingier with loans, which can lead to a tightening of credit for businesses and consumers—a classic precursor to an economic slowdown.

How can the Fed simply ‘delete‘ the Money?

This is the core of Quantitative Tightening (QT). It’s an accounting maneuver that reverses how the money was created.

• During QE (Creation): The Fed bought a bond from the public (eg. a bank). It didn’t use “existing” money; it just typed a higher number into the bank’s account at the Fed. New money (reserves) appeared out of thin air on the Fed’s balance sheet. Hence, the colloquialism “Fed printing money.”
• During QT (Deletion): When the bond matures, the Treasury pays the Fed the principal. It does this by telling the Fed to subtract that amount from the Treasury’s General Account (the government’s checking account at the Fed).
• The “Poof” Moment: Once the Fed receives that payment, it doesn’t put it in a vault or spend it. Because the Fed is the source of the money, it simply reduces the digital entry for that money on its own books. The asset (the bond) is gone, and the liability (the digital money) is erased. It simply ceases to exist

Why would the Fed want to Reduce?

The Federal Reserve reduced its balance sheet primarily to “normalize” the economy after the extreme measures taken during the COVID-19 pandemic. Think of the balance sheet as an emergency toolkit. By March 2026, the Fed had four main reasons for wanting to put those tools back in the box:

1. Fighting Inflation
   When the Fed buys assets (QE), it injects “new” money into the financial system, which lowers interest rates and encourages spending. By 2022, this led to an overheated economy and high inflation. Reducing the balance sheet (QT) does the opposite: it withdraws liquidity, puts upward pressure on long-term interest rates, and helps “cool down” the economy to bring inflation back to its target level (2%).
2. “Reloading” for Future Crises
   The Fed does not want a permanently massive balance sheet because it leaves them with less “room” to act during the next recession/crisis. By shrinking the portfolio from $8.9 trillion toward $6.6 trillion, they effectively refill their ammunition, allowing them to potentially buy assets again in the future if a new crisis hits.
3. Restoring Market Function
   Maintaining a $9 trillion balance sheet meant the Fed was the dominant player in the Treasury and mortgage markets. Fed officials generally prefer a “hands-off” approach where private investors, not the central bank, determine the price of bonds and mortgages. Shrinking the balance sheet reduces the Fed’s footprint and allows the market to function more naturally.
4. Minimizing Financial Risks
   A larger balance sheet carries more interest rate risk. If the Fed holds trillions in low-interest bonds while it is simultaneously raising the rates it pays to banks on their reserves, it can actually start losing money. Reducing the size of the portfolio helps limit these potential losses and reduces political scrutiny from Congress.

As of March 2026, the Fed has largely achieved this “normalization,” having successfully drained the “excess” liquidity while keeping enough reserves in the system to prevent a banking crunch.

How does the Fed Buy Bonds?

There is a bit of confusion when it comes to this topic. The Fed ‘buying bonds‘ appears to imply that its buying from itself. The fact is that when the Fed buys bonds, it is buying from the “open market”. Here is how the loop actually works:

1. The Treasury Issues the Debt
   When the U.S. government needs to spend more than it takes in through taxes, the U.S. Treasury creates “IOUs” called Treasury bonds. It sells these to the public—banks, pension funds, and even foreign countries.
2. The Fed Buys from the Public
   By law, the Fed is prohibited from buying new bonds directly from the Treasury. Instead, it goes to the “secondary market” and buys those bonds from the public via private financial institutions (called Primary Dealers).
   • • The Swap: The Fed takes the bond (an asset) and, in exchange, gives the bank “newly created” electronic money (bank reserves).
     • The Result: The bank now has cash to lend out, and the Fed now owns the government’s debt.
3. Why it feels like “buying from themselves”
   Since the Fed is a quasi-government agency, any interest profit it makes from those bonds is actually sent back to the U.S. Treasury at the end of the year. This makes it look like the government is paying interest to itself, which effectively lowers the government’s cost of borrowing.
4. What happens during the drop (QT)?
   In the Quantitative Tightening (QT) phase (where the balance sheet dropped to $6.6 trillion), the process reversed:
   • • The Fed waited for its bonds to mature.
     • The Treasury paid the Fed back the principal.
     • The Fed then deleted that money, shrinking the total money supply.

Why wouldn’t the Public Repay the Principal?

The Treasury (the borrower) must repay the principal. The public (lender) is just a “middleman“ that holds the bond for a while before selling it to the Fed. When the bond matures, the Treasury owes the money to the current owner: the Fed.

What is the Effect on the Economy?

Simply put, there is a ‘vacuum‘ effect on the economy. Even though the Treasury paid the Fed, the Treasury still needs money to run the government.

• To get that money back the Treasury must sell a new bond to the public (private investors or banks).
• This time, the Fed isn’t there to buy it. Private buyers must use existing cash from the economy to buy that new bond.
• The Net Result: Money moves from private hands into the Treasury, which then sends it to the Fed, where it is deleted. The total amount of money circulating in the financial system—specifically bank reserves—permanently shrinks.

By March 2026, this process has “sucked” about $2.3 trillion out of the system.

Why does the Treasury Send Money Borrowed to Fund the Budget to the Fed?

Think of the Treasury as a person who constantly needs to “refinance” their debt to keep their household running. The Treasury does use the money from private buyers to fund the budget, but only because they are using that “new” money to pay off the “old” debt that the Fed is currently holding.

Here is the step-by-step of how that money moves through the system during QT:

1. The Treasury sells a NEW bond
   Because the government runs a deficit, the Treasury doesn’t have enough tax revenue to pay back the Fed when a bond matures. So, it holds an auction and sells a new $1,000 bond to a private buyer (like a pension fund or a bank).
   • • Result: The Treasury now has $1,000 in cash from a private citizen/institution.
2. The Treasury pays the FED
   Now, the Treasury takes that same $1,000 and sends it to the Fed to pay off the old bond that just matured.
   • • From the Treasury’s perspective: They have successfully “funded the budget” because they just used new debt to cancel out old debt. Their total debt remains the same, but the person they owe it to has changed (from the Fed to a private buyer).
3. The Fed “deletes” the money
   Once that $1,000 hits the Fed’s accounts, the Fed does not spend it or give it back to the government. Because that $1,000 was originally “created” electronically when the Fed first bought the bond, the Fed now reverses the entry.
   • • The “Delete“: The $1,000 simply vanishes from the digital ledger.

Why this matters:

• If the Fed were to give that money back to the Treasury to spend on “new” things (like roads or military), the total amount of money in the economy would stay the same.
• By insisting that the Treasury pays them back and then erasing that payment, the Fed is effectively pulling cash out of the system. This makes money “scarcer,” which is the Fed’s goal when they want to slow down inflation.
• Essentially, the Treasury is just a pass-through between the private sector and the Fed’s digital vacuum.