Significant order imbalance

Significant order imbalance

A large number of buy or sell orders for a stock that cause an abnormally wide spread between bid and offer prices, and often causes the exchange to halt the sale of the stock until significant balance has been reestablished.

Significant Order Imbalance

The excess of buy orders or sell orders for a given security. That is, a significant order imbalance occurs when brokers or investors have made many more orders of one type such that they cannot be matched to orders of the opposite type. Significant order imbalance in either direction reduces the liquidity of a security and thus specialists and market makers attempt to keep order imbalance at the lowest possible level. If the order imbalance becomes too extreme, the exchange may suspend trade.
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PGA Chief Executive Officer Larry Enterline said, "We cannot explain the unusual trading activity in PGA's stock today, other than to report what we believe to be a large holder selling its position in our stock and creating a significant order imbalance.
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