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A market in which there is frequent trading.


1. Describing a security that is traded with relative frequency. Many investors look to active securities because they can be traded, even in rather large quantities, without affecting the price. Active securities usually have a low bid-ask spread.

2. Describing a market or exchange with a high trading volume.


Of or relating to a security in which there is a great deal of trading. Active securities appeal to many investors because they usually can be traded without affecting the price. In over-the-counter trading, an active security usually has a smaller spread between the bid and ask price. See also most-active stocks.
References in periodicals archive ?
Evidence for new non-steroidal human aromatase inhibitors and comparison with equine aromatase inhibition for an understanding of the mammalian active site.
If it goes near or beyond the polymer melting temperature, particles could undergo: a) agglomeration within the reactor, with a consequent decrease (usually drastic) in process productivity; b) pore filling processes, with molten polymer blocking monomer access to active sites within the particles.
The Ada enzyme's active site is buried deep within the protein, which would make it difficult for the enzyme to interact with a guanine locked into a double helix.
In the second step, that disrupted water molecule turns the ester into an alcohol, which is then released from the active site.
For the implementation of the program active sites for regional aid ResidenzstraE-e a shopping street management is from the 10/01/2015 required to revalue the ResidenzstraE-e as Commercial Street, to stabilize the development of the trade with local stakeholders and to force a positive development.
Mr Curtain said: "Visits like these also give us an opportunity to talk to local youngsters about health and safety and the importance of taking care around an active site.
For the first time, Pierce's team found that mutations outside the CDO active site environment or "outer coordination sphere" have a profound influence on the release of ROS.
The fixation of the particulate photocatalyst on a large inert substrate reduces the surface of the photocatalytic active site and also enlarges the mass transfer limitation of pollutants to the photocatalytic active site since binder chemicals used for the fixation of particulate photocatalysts are often deposited on the surface of photocatalysts, resulting in the decrease of the surface active site.
Aa], the active site of DAT is predicted to be comprised of residues from TMs 1, 3, 6, and 8 (2).
In the study, the scientists drew on previous research that had mapped the molecular structure of the endonuclease, which revealed its active site.
Just as immunization with a killed virus induces the immune system to create antibodies that then attack live viruses, an MMP immunization would trick the body into creating antibodies that block the enzyme at its active site.
of Kalyani, India) does not aspire here to compile the wide variety of manifestation of chiralities in different biological systems, but describes several examples in order to provide a sense of how the interactions between the biologically active site residues and the substrate molecules influence reactions.

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