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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 ?
Furthermore, the subjects were not anaerobically trained and were not accustomed to the intense anaerobic exercises like the subjects involved in the earlier studies performed by Glaister et al.
With increased exercise intensity, concentrations below 4 mmol/L indicate aerobic exercise whereas levels above 4 mmol/L indicate anaerobic exercise.
(9.) Bloomer RJ, Goldfarb AH, Wideman L, McKenzie MJ, Consitt LA: Effects of acute aerobic and anaerobic exercise on blood markers of oxidative stress.
Some experts say that after six to eight weeks of regular anaerobic exercise, a short hiatus is required to promote growth.
Research suggests that in these circumstances all the energy systems are being utilized to meet the muscular demands for adenosine triphosphate (ATP), though short-term high-intensity exercise is often referred to as anaerobic exercise. (20-23) The long recovery periods allow full recovery of each system even though the exercise is in repetitive bouts.
An important distinction to make is whether an athlete is involved in aerobic or anaerobic exercise, because this can make a fundamental difference in glucose metabolism, Dr.
Researchers found that when people used the cooling device during anaerobic exercise, such as weight lifting, the effects on exercise performance were dramatic.
Smaller muscle fibers utilize oxygen better and are mostly used for aerobic exercise, while larger fibers generate more power and are mainly used for more strenuous anaerobic exercise. Since larger fibers don't use much oxygen, they are less efficient and fatigue quickly.
Lifting weights, the most popular anaerobic exercise, is one of the best ways to lower the LDL ("bad cholesterol") readings in your blood, preventing the oxidation that causes artery blockage.
On the other hand, with anaerobic exercise, your body tends to use up more oxygen than it takes in.
"Ideally, plan a weekly exercise routine that includes both aerobic and anaerobic exercise. At the end of the day, movement is the answer to most health problems people face today."