Four Methods of Distributing Government Securities

The central governments use one of the following four methods to distribute a new issue of securities:

Regular calendar auction / Dutch style auction

In this type of auction, there is a regular auction cycle. The winning bidders are allocated securities at yield (price) they bid. This is also called multiple-price method.

Regular calendar auction / Minimum-price offering system

This is also a regular auction but all the winning bidders are awarded securities at highest yield accepted by government (stop-out yield). This is also called single price method. For example, if the highest yield is 6.55%, and you had bid 6.52% you will be awarded securities at 6.55%. In the dutch style auction, you would have been awarded the securities at 6.52% (your bid). US government bonds are issued using this method.

Ad hoc auction 

Ad hoc auctions are announced by the government when the market conditions are favourable. Typically, the amount and maturity of issue are announced only at the time of the auction. Ad hoc auctions provide increased flexibility to raise funds, and also lessens the volatility which is high in regular auctions.

Tap system

Tap system is where the additional bonds of previously outstanding issues are auctioned. The government will periodically announce about these bonds.

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