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This is the daily number of shares of a security that change hands between a buyer and a seller. Also known as volume traded. Also see Up volume and Down volume.
Copyright © 2012, Campbell R. Harvey. All Rights Reserved.


The amount of trading sustained in a security or in the entire market during a given period. Especially heavy volume may indicate that important news has just been announced or is expected. See also average daily volume.
Wall Street Words: An A to Z Guide to Investment Terms for Today's Investor by David L. Scott. Copyright © 2003 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved. All rights reserved.


Volume is the number of shares traded in a company's stock or in an entire market over a specified period, typically a day.

Unusual market activity, either higher or lower than average, is typically the result of some external event. But unusual activity in an individual stock reflects new information about that stock or the stock's sector.

Dictionary of Financial Terms. Copyright © 2008 Lightbulb Press, Inc. All Rights Reserved.
References in periodicals archive ?
Erv is survived by his daughter Carla Coppi, her partner Judy Marshall, and many nieces, nephews, cousins and friends.
Economic costs are substantial and include both direct [e.g., inpatient care, emergency room visits (ERVs), physician visits, diagnostic tests, and medication] and indirect costs (e.g., school and work days lost; Bahadori et al.
Totipotent subpopulation in mouse ESCs and naive-like subpopulation in human ESCs are derepressed in ERV expression, concomitantly with its expression in early embryos.
With hurricanes making landfall increasingly more often in the U.S., it is essential not only to document effects of natural disasters on medical care and health outcomes, as previously described (Brewer, Morris, & Cole, 1994; Ford et al., 2006; Jonkman, Maaskant, Boyd, & Levitan, 2009; Platz et al., 2007; Seung-Ryong et al., 2008), but also to geographically map ERVs and determine if there are any spatial patterns of risk to prepare for more prompt and effective emergency clinical care and public health responses.
A common metric to evaluate the ERV is through heat exchanger effectiveness, which is a function of several parameters including air stream temperatures, humidity, and mass flow rate (Ardehali and Torfi 2006).
A total of 62 workers -- 30 in one facility and 32 more in another facility -- underwent ERV tests as well.
Energy recovery ventilators (ERVs) are a popular choice for fresh air ventilation, as they allow users to precondition the temperature and humidity of outdoor air using the waste energy from building exhaust.
After entering specific parameters, desired conditions and building information, it was possible to make use of the developed Excel tool, to determine which out of the three possible options; TERV, HRV or ERV, was the most suitable one.
Howevo erv,r Ieuan's' condition deterioratedr fromr his irrevr erv sibler brainr injuryr and he eventuallv yl died at the Ty Hafanf Hospice in Sully.
ERV Orchards purchased property from Brendan and Patricia Bergren, the sole members of Bergren Orchards LLC and issued a $100,000 check on March I to Brendan Bergren.
KARACHI -- Pakistan Army troops continue to provide security to the Election Commission (EC) staff in Electoral Roll Verification (ERV).
AGA received "Very Good" in the Short & Concise tariffs, (the competitor, ERV received just "Good") and second or third place in the ratings of the providers by Stiftung Warentest.