What is the discount window and when is it used?

The short answer

Imagine a bank that has unexpectedly lost deposits and cannot meet next-day reserve requirements. Markets are stressed, other banks are reluctant to lend, and selling assets would crystallize losses. The discount window exists for exactly this situation: a credit line at the Fed, available against collateral, at a rate slightly above the federal funds target rate.

The Fed offers three types of credit at the window. Primary credit goes to financially sound banks at the discount rate. Secondary credit goes to less-sound banks at a higher rate, with closer monitoring. Seasonal credit accommodates small banks with predictable seasonal funding needs.

The catch is stigma. When markets learn — or even suspect — that a bank used the window, they may infer distress and accelerate the run. This dynamic was visible during the 2008 crisis and again in 2023 with Silicon Valley Bank’s failure. The Fed’s 2023 launch of the Bank Term Funding Program (BTFP) was partly an attempt to provide a stigma-free alternative.

→ New to central bank operations? Financial education hub

What the data shows

FRED data on discount window borrowing (series DPCREDIT for primary credit) shows extreme volatility. Borrowing remains negligible during normal times and spikes sharply during stress episodes.

Key figures (FRED, 2008-2024) :

• Average primary credit (2010-2019) : under $200m daily
• March 2023 peak (regional bank crisis) : $152.9bn in one week
• October 2008 peak (financial crisis) : ~$112bn
• March 2020 peak (pandemic) : ~$50bn
• BTFP peak usage : $164bn in March 2024

The exception worth noting: in normal market conditions, primary credit borrowing is negligible. The window is essentially dormant most of the time, springing into action only during stress episodes. This binary usage pattern complicates Fed efforts to make the window a routine funding source.

→ Dataset: Fed balance sheet dataset

Why it happens — the macro mechanism

The discount window operates through three intersecting policy logics.

Lender of last resort function. Walter Bagehot’s 1873 doctrine — lend freely against good collateral at a high rate — guides the design. The window provides liquidity against eligible collateral (Treasuries, agency securities, certain loans) at a rate above market levels, ensuring banks use it primarily when truly needed. Linked to bank runs as self-fulfilling.

Money market functioning. The discount rate caps the federal funds rate. If banks could borrow reserves at the window for, say, 5.5%, they would generally not pay more than that rate in the federal funds market. This corridor system links the window directly to monetary policy implementation. See how the Fed controls short-term rates.

Stigma management. The window’s effectiveness as a crisis tool is undermined by the very signal that using it sends. The Fed has tried multiple solutions: TAF (2007), reducing the rate penalty during stress, encouraging routine usage during calm periods, and creating alternatives like BTFP. None has fully solved the problem.

The 2023 episode revealed an interesting dynamic. Silicon Valley Bank reportedly considered using the discount window in early March 2023 but worried about how the move would be perceived by depositors and counterparties. By the time the bank tried to access funding, it was too late to prevent failure. This is the stigma problem in action: a tool that exists for crisis use becomes hard to use precisely when crises emerge.

The discount window is a fire extinguisher banks fear to use until the building is already on fire.

→ Framework: Monetary regimes

What it means for different economic actors

Banks face the central tradeoff: emergency liquidity availability versus stigma risk. Most banks maintain pre-positioned collateral at the Fed to enable rapid window access if needed, but they typically prefer to source liquidity from money markets, FHLB advances, or interbank lending in normal times.

Bank investors watch discount window data carefully during stress. Sudden spikes signal funding stress at specific institutions, even when names are not disclosed. The March 2023 spike to $152.9 billion was a public signal of regional bank distress.

Money market participants see the discount rate as a soft ceiling on short-term rates. When market rates exceed the discount rate persistently, the corridor system breaks down — a 2019 episode that prompted Fed reforms.

A common error is treating discount window usage as a leading indicator. By the time banks borrow significantly, distress is usually already visible in deposit flows and equity prices. The window is more useful as a confirming indicator than a predictive one.

Practical observation

Go deeper

Related questions

• How does the Fed control short-term rates?
• What is the discount window stigma problem?
• 2023 vs 2008 regional bank crises
• What is the Fed’s Standing Repo Facility?

Frequently asked questions

Can any institution access the discount window?

No. Only depository institutions — commercial banks, savings associations, credit unions — with reserve accounts at a Federal Reserve Bank can borrow primary or secondary credit. Investment banks lost direct access after the 2008-era emergency facilities expired, though under Section 13(3) the Fed can extend lending to non-banks during unusual circumstances. The 2008 PDCF and 2020 PDCF revivals illustrated this exceptional path. Money market funds, hedge funds, and corporations have no normal access to the window.

How is the discount rate set?

Each regional Reserve Bank’s board recommends a discount rate, subject to review and approval by the Board of Governors in Washington. In practice, all twelve Banks set the same primary credit rate, which is currently 0.5 percentage points above the upper bound of the federal funds target range. This automatic spread creates the corridor system. Secondary credit is priced 0.5 percentage points above primary credit. The rates change with each FOMC meeting, though the spread relationship is stable.

How does the discount window differ from the Standing Repo Facility?

Both provide reserves to financial institutions, but with different scope and mechanics. The discount window lends to depository institutions against a wide range of collateral. The Standing Repo Facility (SRF), launched in 2021, conducts repo transactions against Treasury and agency MBS collateral with a broader counterparty list including primary dealers. SRF is designed to manage day-to-day repo market stress and prevent the kind of disruptions seen in September 2019. The discount window remains the broader lender-of-last-resort tool.

Last updated — 28 April 2026