A primary dealer is a bank or securities firm that a central bank or debt management office has approved as a direct trading counterparty, in return for committing to bid in government debt auctions and to make markets in government securities. In the United States the term refers to the firms chosen by the Federal Reserve Bank of New York, which numbered 25 as listed by the New York Fed in November 2026.
Primary dealers sit between the government that borrows and the investors who end up holding its debt. They are not the same as ordinary brokers or market makers, because their role carries formal obligations to the central bank. The US arrangement is the best-known example; the United Kingdom, the euro area countries, Japan and many other states run comparable programmes under different names and rules.
Primary dealers in plain terms
Think of a government as a wholesaler that sells huge batches of IOUs at regular auctions. Rather than hoping enough buyers turn up each time, it signs up a group of large, trusted trading firms that promise to attend every sale and bid for their share. In exchange, those firms get privileged access: they can deal directly with the central bank and see the market from the inside.
The firms then resell much of what they buy to pension funds, insurers, foreign central banks and other investors, and they keep quoting prices so that holders can sell when they want. This makes the government's borrowing smoother and its bonds easier to trade. The arrangement only works as long as the dealers have enough money and balance-sheet space to keep buying, which is why their health matters during market stress.
History of the primary dealer system
The New York Fed set up its primary dealer system in 1960 with 18 firms, building on informal dealer relationships dating from the late 1930s. The list grew to a peak of 46 dealers in 1988, the same year Congress passed the Primary Dealers Act. Mergers among banks and securities houses then cut the number to about 20 by the late 2000s, before new entrants pushed it back up.
The system came under scrutiny in 1991, when Salomon Brothers admitted submitting bids in Treasury auctions that exceeded the 35% limit any single bidder may win, partly by bidding in clients' names without their knowledge. During the 2008 financial crisis, after the near-collapse of Bear Stearns, the Federal Reserve opened the Primary Dealer Credit Facility in March 2008 to lend directly to dealers, and revived it in March 2020.
Obligations and pro-rata bidding
The New York Fed's operating policy sets out what it expects of primary dealers. The main duties include:
- Auction participation. Dealers must bid in every auction of Treasury bills, Treasury notes and Treasury bonds at reasonably competitive prices.
- Open market operations. Dealers act as counterparties when the Fed buys or sells securities, including repo and reverse repo operations, which is how monetary policy decisions reach markets.
- Market making for official accounts. Dealers trade on behalf of foreign central banks and other official accountholders at the New York Fed.
- Reporting. Dealers file weekly activity reports and share market intelligence with the Fed's trading desk.
The Fed defines a dealer's expected minimum bid in each auction as an equal share of the amount on offer:
With 25 dealers and a hypothetical 58 billion dollar auction of 10-year notes, each dealer's pro-rata share is billion dollars. A dealer does not have to win that amount, but it is expected to bid for it at a competitive yield, so the auction is always covered even if other investors stay away.
Primary dealers outside the United States
Most large government bond markets use a similar model. In the United Kingdom, the Debt Management Office appoints gilt-edged market makers, who must bid in gilt auctions and quote prices in the secondary market. Euro area governments each run their own primary dealer or specialist groups, often overlapping with the same global banks. Japan's Ministry of Finance runs a JGB Market Special Participants scheme. Obligations, privileges and the number of members differ from country to country.
Criticism and market structure concerns
Critics say the system concentrates a public market in a small club of firms that profit from privileged information and access. Supporters reply that dealer obligations have become costly since Basel III made balance-sheet space more expensive through the leverage ratio. Episodes such as the Treasury market disruption of March 2020, when dealers struggled to absorb heavy selling, have fuelled debate about central clearing, all-to-all trading and the growing role of hedge funds and other non-bank traders, whose activity regulators now track under non-bank financial intermediation. Firms can also withdraw: NatWest Markets Securities left the US list in October 2026.