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combination

  (kŏm'bə-nā'shən) pronunciation
n.
  1. The act of combining or the state of being combined.
  2. The result of combining.
  3. An alliance of persons or parties for a common purpose; an association.
  4. A sequence of numbers or letters used to open a combination lock.
  5. Mathematics. One or more elements selected from a set without regard to the order of selection.
combinational com'bi·na'tion·al adj.
 
 

When an investor holds a position in both call and put options on the same asset.

Investopedia Says:
There are various types of combination spreads, including straddles and strangles.

Related Links:
An introduction to the world of options, covering everything from primary concepts to how options work and why you might use them. Options Basics Tutorial


 

1. arrangement of options involving two long or two short positions with different expiration dates or strike (exercise) prices. A trader could order a combination with a long call and a long put or a short call and a short put.

2. joining of competing companies in an industry to alter the competitive balance in their favor is called a combination in restraint of trade.

3. joining two or more separate businesses into a single accounting entity; also called business combination. See also Merger.

 
Thesaurus: combination

noun

  1. The state of being associated: affiliation, alliance, association, conjunction, connection, cooperation, partnership. See near/far/distance.
  2. The result of combining: composite, compound, conjugation, unification, union, unity. See assemble/disassemble.
  3. A group of individuals united in a common cause: bloc, cartel, coalition, combine, faction, party, ring. See group.

 
Antonyms: combination

n

Definition: alliance, association
Antonyms: dissolution, disunion, separation, severance

n

Definition: mixture, blend
Antonyms: detachment, division, parting, separation


 
Law Encyclopedia: Combination
This entry contains information applicable to United States law only.

In criminal law, an agree- ment between two or more people to act jointly for an unlawful purpose; a conspiracy. In patent law, the joining together of several separate inventions to produce a new invention.

An illegal combination in restraint of trade, defined under the Sherman Anti-Trust Act, is one in which the conspirators agree expressly or impliedly to use devices such as price-fixing agreements to eliminate competition in a certain locality, e.g., when a group of furniture manufacturers refuse to deliver goods to stores that sell their goods for under a certain price.

In patent law a combination is distinguishable from an aggregation in that it is a joint operation of elements that produces a new result as opposed to a mere grouping together of old elements. This is important in determining whether or not something is patentable, since no valid patent can extend to an aggregation.

 
Word Tutor: combination
pronunciation

IN BRIEF: The process of putting things together.

pronunciation Coffee and milk is Jim's favorite combination.

 
Wikipedia: combination

In combinatorial mathematics, a combination is an un-ordered collection of unique elements. (An ordered collection is called a permutation.) Given S, the set of all possible unique elements, a combination is a subset of the elements of S. The order of the elements in a combination is not important (two lists with the same elements in different orders are considered to be the same combination). Also, the elements cannot be repeated in a combination (every element appears uniquely once); this is often referred to as "without replacement/repetition". This is because combinations are defined by the elements contained in them, s the set {1, 1, 1} is the same as {1}. For example, from a 52-card deck any 5 cards can form a valid combination (a hand). The order of the cards doesn't matter and there can be no repetition of cards.

A k-combination (or k-subset) is a subset with k elements. The number of k-combinations (each of size k) from a set S with n elements (size n) is the binomial coefficient

C_k^n = {n \choose k} = \frac{n!}{k!(n-k)!}.

As an example, the number of five-card hands possible from a standard fifty-two card deck is:

{52 \choose 5} = \frac{n!}{k!(n-k)!} = \frac{52!}{5!(52-5)!} = 2598960.

A combination is a special case of a partition of a set; specifically, a partition into two sets of size k and n − k.

Since it is impractical to calculate n! if the value of n is very large, a more efficient algorithm is

{n \choose k} = \frac { ( n - 0 ) }{ (k - 0) } \times \frac { ( n - 1 ) }{ (k - 1) } \times \frac { ( n - 2 ) }{ (k - 2) } \times \frac { ( n - 3 ) }{ (k - 3) } \times \cdots \times \frac { ( n - (k - 1) ) }{ (k - (k - 1)) }.

Example:

{70 \choose 4} = \frac { 70 }{ 4 } \times \frac { 69 }{ 3 } \times \frac { 68 }{ 2 } \times \frac { 67 }{ 1 } = 916895.


See also

External links


 
Translations: Translations for: Combination

Dansk (Danish)
n. - kombination, forening, gruppe, kode, koncern, forbindelse, undertøj ud i et

idioms:

  • combination lock    kombinationslås

Nederlands (Dutch)
combinatie, (motor met) zijspan, ondergoed uit een stuk

Français (French)
n. - combinaison, conjonction, mélange, association (avec), combinaison (de nombres, chimiques), (GB, Aut) side-car

idioms:

  • combination lock    serrure à combinaison, serrure à code

Deutsch (German)
n. - Kombination, Verbindung, Beiwagenmaschine

idioms:

  • combination lock    Kombinationsschloß

Ελληνική (Greek)
n. - συνδυασμός, μοτοσικλέτα με καλάθι, (ενδυμ.) κορμάκι, (οικον.) κοινοπραξία, καρτέλ

idioms:

  • combination lock    κλειδαριά συνδυασμού

Italiano (Italian)
combinazione, sidecar

idioms:

  • combination lock    lucchetto cifrato

Português (Portuguese)
n. - combinação (f), acordo (m), cartel (m), segredo (m) de cofre

idioms:

  • combination lock    fechadura (f) de combinação

Русский (Russian)
комбинация, мотоцикл с коляской

idioms:

  • combination lock    замок с секретом

Español (Spanish)
n. - combinación, asociación, motocicleta con sidecar

idioms:

  • combination lock    cerradura de combinación

Svenska (Swedish)
n. - kombination, sammanslutning, förbindelse

中文(简体) (Chinese (Simplified))
结合, 团体, 联合, 联盟

idioms:

  • combination lock    号码锁

中文(繁體) (Chinese (Traditional))
n. - 結合, 團體, 聯合, 聯盟

idioms:

  • combination lock    號碼鎖

한국어 (Korean)
n. - 결합, 아래위가 붙은 속옷, 단체행동

日本語 (Japanese)
n. - 結合, 組み合わせ, 連合, 組み合わせ文字, 化合, コンビネーション

idioms:

  • combination lock    文字合わせ錠

العربيه (Arabic)
‏(الاسم) جمع, مزج, ضم, مزيج, خليط‏

עברית (Hebrew)
n. - ‮אופנוע עם סירה, איחוד, צירוף, קומבינציה, אופנוע עם סירה (בריטניה), מבחר, פעולה מאוחדת, סדרת מהלכים בשחמט‬


 
Best of the Web: combination

Some good "combination" pages on the web:


Math
mathworld.wolfram.com
 
 
 

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Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2007. Published by Houghton Mifflin Company. All rights reserved.  Read more
Investment Dictionary. Copyright ©2000, Investopedia.com - Owned and Operated by Investopedia Inc. All rights reserved.  Read more
Financial & Investment Dictionary. Dictionary of Finance and Investment Terms. Copyright © 2006 by Barron's Educational Series, Inc. All rights reserved.  Read more
Thesaurus. Roget's II: The New Thesaurus, Third Edition by the Editors of the American Heritage® Dictionary Copyright © 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.  Read more
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