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To implement the right of the holder of an option to buy (in the case of a call) or sell (in the case of a put) the underlying security.
Copyright © 2012, Campbell R. Harvey. All Rights Reserved.


In option contracts, to buy (in the case of a call) or sell (in the case of a put) the underlying asset. The option holder has no obligation to exercise the option, and only does so if he/she believes it benefits him/her. Depending upon the nature of the option, this may be done at any point during the life of the contract, or it may only be done on the contract's expiry date. The strike price of the sale is agreed-upon in the option contract, that is, before the option is exercised.
Farlex Financial Dictionary. © 2012 Farlex, Inc. All Rights Reserved


To require the delivery (for example, a call option) or to force the purchase (for example, a put option) of the option's underlying asset. Many options expire without being exercised because the strike price stated in the option is unfavorable to the holder.
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.


When you act on a buying or selling opportunity that you have been granted under the terms of a contract, you are said to exercise a right.

Contracts may include the right to exchange stock options for stock, buy stock at a specific price, or buy or sell the security or product underlying an option at a specific exercise price.

For example, if you buy a call option giving you the right to buy stock at $50 a share, and the market price jumps to $60 a share, you'd likely exercise your option to buy at the lower price.

Dictionary of Financial Terms. Copyright © 2008 Lightbulb Press, Inc. All Rights Reserved.
References in periodicals archive ?
But scheduled physical exercise early in the day may improve sleep quality--and it will do no harm.
[15] In the present study, physical exercise has a tremendous impact on SBP, DBP, and pulse rate [Table 2].
Previous studies have shown that there was a relationship between physical exercise and increased expression of VEGF in certain age groups, but the ideal type of physical exercise is debatable17,18.
Here comes the natural question of how many times these young people would exercise independent, given the fact that 30% of students practice physical exercise free of compulsory classes!
Physical exercise with multicomponent cognitive intervention for older adults with Alzheimer's disease: a 6-month randomized controlled trial.
Their conclusion: regular physical exercise not only enhances fitness but also has a positive impact on brain metabolism.
Social support, physical exercise and life satisfaction in women
The investigators were unable to assess the long-term effects of physical exercise, nor its effects on hepatic fibrosis or inflammation, they noted.
A study on Finnish municipal administrative workers has reported that high levels of work related mental stress and a low frequency of physical exercise were associated with a nearly sevenfold increased risk of neck pain compared to workers with a low stress level and high exercise frequency [17].
Physical exercise reduced the incidence of lower-back pain (LBP) episodes by 35 percent, while other interventions had little effect, according to research published online Jan.
I FOUND the article about physical exercise reducing the risk of developing dementia very interesting (CT March 14).
Acute strenuous physical exercise may be expected to shorten the lag due to promotion in ROS production and/or due to enhanced consumption of the antioxidants.