The range of prices at which the first bids and offers are made or the first transactions are completed on an exchange. Bloomberg Financial Dictionary
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The range of prices at which the first bids and offers were made or first transactions were completed. Chicago Mercantile Exchange Glossary
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opening price UK US noun [C] STOCK MARKET, FINANCE
► the price for a share, bond, etc. at the beginning of a day of trading on a stock market: »
The expected opening price was $28 a share.
Financial and business terms. 2012.