Lesson 3 of 5 · 15 min
Sovereign issuance: auctions and primary dealers
Sovereigns sell debt through scheduled public auctions rather than underwritten deals: bids are ranked from the lowest yield up until the offer is filled, and the format (single-price or multiple-price) decides whether winners all pay the cut-off yield or their own bid.
In short
- Corporate issuance is opportunistic and managed by investment bank underwriters; sovereign issuance is a scheduled public auction run by the Treasury or finance ministry.
- A competitive bid states a price (yield) and an amount and wins nothing if the auction clears at a higher price. A non-competitive bid accepts the auction price and always receives securities.
- Both formats rank bids from highest price (lowest yield) down until the amount is filled. Single-price: all winners pay the same price. Multiple-price: each winner pays its own bid.
- Single-price auctions may give a lower cost of funds and broader distribution, and reduce yield volatility; multiple-price auctions may concentrate large bids.
- Primary dealers must bid competitively in every auction, often act as the central bank's counterparty in open market operations, and channel bids from foreign central banks and other indirect bidders.
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