peg

1. To fix the price of a new security issue during the issuance period through buying and selling it in the open market in order to ensure that the price in the secondary market will not fall below the offering price. Also called stabilize. See also stabilization period.
2. To fix the rate at which foreign currencies exchange with one another.
3. To fix the price of a commodity. For example, a government may adopt an agricultural policy of pegging the price of certain commodities such as sugar or wheat.