Stocks Glossary - Search for: letter "O"
Not sure what a stock market term means? Browse clear, practical definitions covering shares, company earnings, dividends, valuation, trading, technical analysis and risk management. Use the A–Z glossary to quickly find the term you need and understand how it works in real market situations.
OPEC definition
OPEC is a group of oil‑exporting countries that coordinates output targets to balance supply and demand, shaping crude p...
August 29, 2026OTC definition
OTC means trading directly with a dealer rather than on an exchange, using quotes and bespoke terms, with different tran...
August 26, 2026Off book definition
Off book describes a trade negotiated away from an exchange’s order book, then reported to the tape. It is common for la...
August 26, 2026Offer definition
An offer is the quoted price at which someone is willing to sell a security; it shapes the bid‑offer spread and can also...
August 27, 2026On exchange definition
On exchange means a trade is executed or reported under an exchange’s rules, usually via the order book with public quot...
August 27, 2026On-balance volume definition
On-balance volume (OBV) builds a running total of traded volume, adding it on up closes and subtracting it on down close...
August 28, 2026Open definition
Open is the first traded price for a new session or time period. It sets the day’s starting point, shows any gap from th...
August 28, 2026Open positions definition
Open positions are trades you still hold, showing quantity, entry price, unrealised P&L and exposure until you close or...
August 28, 2026Option definition
An option is a contract that gives you the right, not the obligation, to buy or sell an asset at a strike price by a set...
August 28, 2026Order book definition
An order book is the live list of buy and sell orders ranked by price, showing the spread and depth that determine liqui...
August 29, 2026Order definition
An order is an instruction to buy or sell an asset with price, size and timing conditions, which a broker or venue turns...
August 29, 2026Out of the money definition
Out of the money describes an option with no intrinsic value: a call with strike above the market or a put with strike b...
August 30, 2026Overexposure definition
Overexposure is having too much of your money or risk tied to one asset, sector or theme, often via concentration or lev...
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