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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 ?
Oxygen consumption: Five studies investigated exercise tolerance by measuring peak oxygen uptake (V[O.sub.2peak]) during a cycle ergometry test (Cider et al 2003, Cider et al 2012, Mourot et al 2010, Municino et al 2006, Teffaha et al 2011).
Cycle endurance tests have also been widely used for the evaluation of bronchodilation on exercise tolerance in COPD [22, 23, 49-57].
Time of onset of chest pain improved from 4.63+-2.4 to 5.4+-3.7 minutes (p=O.35) on exercise tolerance test.
The authors hypothesized that breathing HH would improve exercise tolerance, peak oxygen consumption (VO2 peak) and health related quality of life(HRQOL).
Patients were excluded if any of the following were present: absence of PAD; rest pain or tissue loss; limitations of exercise tolerance caused by conditions other than claudication (e.g.
Lewis and his associates found that acute administration of a single 50-mg oral dose of sildenafil lowered pulmonary arterial pressures, improved cardiac output, and increased exercise tolerance in patients with systolic heart failure and secondary pulmonary hypertension.
On a standard treadmill test, their exercise tolerance increased by 15 percent compared with that of the placebo group.
* Desmond Tutu has apologized to the global Islamic community over cartoons in a Danish newspaper caricaturing the prophet Mohammed, but urged Muslims incensed over the publication to exercise tolerance and forgiveness in their protests.
"People have experienced an improvement in exercise tolerance and there is emerging evidence that survival is improved with long-term use."
''The campaign aims to urge road users, especially motorists, to exercise tolerance and patience when on the roads,'' Singapore police said in a statement.