Avertissement : les CFD sont des instruments complexes et comportent un risque élevé de perte rapide d'argent en raison de l'effet de levier.
Vous devez vous demander si vous comprenez le fonctionnement des CFD et si vous pouvez vous permettre de prendre le risque élevé de perdre votre argent.
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O
Organization of the Petroleum Exporting Countries (OPEC)
OPEC is the cartel that tries to steer the price of oil. Founded in 1960 by a handful of major producers, the Organization of the Petroleum Exporting Countries now groups together a dozen or so member nations, with Saudi Arabia its most powerful voice, that between them control a large share of the world’s crude reserves and output.
Its core function is to coordinate production, raising or cutting how much oil its members pump in order to influence the global price.
Example: When OPEC ministers gather and agree to curb output, the aim is to prop up prices by tightening supply; markets often move on the decision, and sometimes on the mere rumour of one, before the meeting even ends. The group’s power has ebbed and flowed over the decades as rival producers like US shale have grown, but an OPEC announcement still ranks among the events oil traders watch most closely on the whole calendar.
Oscillator
A technical indicator that measures the momentum of price movements.
OsMA
OsMA, short for Moving Average of Oscillator, is a technical indicator that measures the gap between an oscillator and its own signal line, sharpening the momentum picture the underlying tool provides. In its usual form it is built from the MACD: OsMA is the MACD line minus its signal line, the very thing plotted as the MACD histogram.
It is drawn as bars above and below a zero line, positive when the MACD sits above its signal, negative when it sits below.
Example: A trader uses OsMA to catch momentum shifts a touch earlier than the raw MACD crossover would. When the OsMA histogram crosses up through the zero line, moving from negative to positive, she reads it as momentum turning bullish, the same signal as a MACD crossover but shown as a clean move across zero; a slip back below zero warns her the momentum is fading again and the trend may be losing its grip.
Out-of-the-money
An options contract that would not be profitable if it were exercised immediately.
Outright forward contract
A customised futures contract determined by two individual parties, as opposed to a fixed cutures contract determined by exchanges.
Outright option contract
A single-purchase options contract, as opposed to a multi-leg options contract.
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