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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 ?
Denote by F the space of all isometric immersions of [R.sup.2] into [R.sup.4], and introduce a relation ~ in F.
As intended by research design, the strength-matched men and women, shown in Figure 1, had no significant difference in their normalized strength (peak force) as determined by the isometric squat (IS) when normalized to BW nor when normalized to total lean BW (Table 2).
(38) investigated the effects of occlusal splints of varying thicknesses on isometric strength of deltoid and cervical muscles finding significant improvements when increasing VDO, up to a certain distance, but reductions in isometric strength thereafter.
The maximum isometric lumbar extension strength (N) found in the present study, 1,169.35 [+ or -] 289.96 N for men and 571.34 [+ or -] 190.36 N for women, were both superior to the ones reported by Soares et al.
Isokinetic, aerobic, and isometric training for four weeks improved all clinical outcome variables including pain which was assessed according to the VAS, WOMAC, and Lequesne Index.
Single leg maximal isometric knee extension (MIKE) force was measured with subjects sitting in a chair with the right hip, knee, and ankle fixed at 90[degrees].
Two levels of force variations included: 1) force varying between 0% and 50% of maximum voluntary isometric exertion (MVIE), and 2) between 10% and 40% MVIE.
The main finding of the present investigation was that performing isometric handgrip exercise whilst walking caused a reduction in resting systolic blood pressure, which far exceeded the reductions seen after walking or isometric handgrip only.
366-367] that if [GAMMA] is an uncountable set then there is no isometric embedding of C([beta][GAMMA]) into C([I.sup.m]) for every infinite cardinal m.