Neutral mutation — In genetics, a neutral mutation is a mutation that has no effect on fitness. In other words, it is neutral with respect to natural selection. For example, some mutations in a DNA triplet or codon do not change which amino acid is introduced: this … Wikipedia
neutral — /ˈnjutrəl / (say nyoohtruhl) adjective 1. (of a person or nation) refraining from taking part in a controversy or war between others. 2. of no particular kind, colour, characteristics, etc.; indefinite. 3. grey; without hue; of zero chroma;… …
neutral calendar spread — See calendar spread. The CENTER ONLINE Futures Glossary … Financial and business terms
Options spread — Spread option redirects here. For the American football offensive scheme, see Spread offense. Options spreads are the basic building blocks of many options trading strategies. A spread position is entered by buying and selling equal number of… … Wikipedia
Delta Spread — An options trading strategy where the trader initially establishes a delta neutral position. The trader creates this delta neutral position by simultaneously buying and selling options in proportion to the neutral ratio. Using a delta spread, a… … Investment dictionary
Box spread — In options trading, a box spread is a combination of positions that has a certain ( i.e. riskless) payoff, considered to be simply delta neutral interest rate position . For example, a bull spread constructed from calls ( e.g. long a 50 call,… … Wikipedia
delta spread — A ratio spread that is established as a neutral position by utilizing the deltas of the options involved. The neutral ratio is determined by dividing the delta of the purchased option by the delta of the written option. See also ratio spread and… … Financial and business terms
Iron Butterfly Spread — Iron butterfly is the name of an advanced, neutral outlook, options trading strategy that involves buying and holding four different options at three different strike prices. It is a limited risk, limited profit trading strategy that is… … Wikipedia
Butterfly Spread — A neutral option strategy combining bull and bear spreads. Butterfly spreads use four option contracts with the same expiration but three different strike prices to create a range of prices the strategy can profit from. The trader sells two… … Investment dictionary
Christianity in the 5th century — Spread of Christianity to AD 325 … Wikipedia
international relations — a branch of political science dealing with the relations between nations. [1970 75] * * * Study of the relations of states with each other and with international organizations and certain subnational entities (e.g., bureaucracies and political… … Universalium
