378 entries
Markets & structure
Market structure and venue mechanics — primary vs secondary, exchanges, dark pools, indices.
- Accredited Investor The US wealth and income threshold that gates access to private investment offerings, set by the SEC under Regulation D.
- After-Hours Global Trading How international time-zone differences create continuous price discovery and overnight gap risk for equity investors.
- After-Hours Market Trading that occurs outside regular stock exchange hours, typically 4 PM to 8 PM ET, with lower volume and wider bid-ask spreads.
- After-Hours Trading After-hours trading is the trading of stocks after the official close of the stock exchange. In the US, after-hours trading typically occurs between 4:00 PM and 8:00 PM Eastern Time, after the NYSE and NASDAQ close. It allows investors to trade on earnings results and overnight news, but with lower liquidity and wider spreads.
- After-Hours Trading Venue Mechanics Electronic communications networks and broker systems that trade equities before 9:30 AM and after 4:00 PM ET, their liquidity constraints, and associated risks.
- After-Hours Trading: How It Works and Why It Carries Extra Risk After-hours trading risks explained: why bid-ask spreads widen, liquidity thins, and prices can gap dramatically outside regular market hours.
- Alternative Settlement System Non-traditional post-trade infrastructure and clearing models; distributed ledger and private systems.
- Alternative Trading System An Alternative Trading System (ATS) is a private trading venue that operates under SEC Rule 10b-2, matching customer orders without being a registered stock exchange. ATSs include dark pools, lit venues, and other order-matching platforms, and account for roughly 30% of US equity trading.
- ASX 200 Index Australia's primary equity benchmark tracking the 200 largest companies listed on the Australian Securities Exchange, weighted by float-adjusted market capitalisation.
- At-the-Market Offering: Mechanics and Uses How at-the-market offerings allow companies to issue new shares gradually into open markets, and how they differ from traditional secondary offerings.
- Auction Imbalance Mechanism How stock exchanges publish order imbalances before open and close to attract offsetting liquidity and improve execution quality.
- Auction Market A market where buyers and sellers competitively submit bids and asks, with trades executing at equilibrium prices.
- Auction Market vs Dealer Market: Key Differences Auction markets have buyers and sellers meet directly; dealer markets use market-makers as intermediaries. Learn the key differences and examples.
- Bear market A bear market is a sustained, broad decline in prices—conventionally a drop of 20% or more from a recent peak. Bear markets are cyclical interruptions to the long-run uptrend, and they test investors' nerve.
- Best Efforts Underwriting The underwriting arrangement in which the bank sells securities on behalf of the issuer but bears no guarantee and carries no inventory risk.
- Bid-Ask Spread Explained with an Example The bid-ask spread is the gap between buyer and seller prices—a form of implicit cost that affects every trade you make in financial markets.
- Bilateral Market vs Multilateral Market in Finance How bilateral markets differ from multilateral markets in price discovery, liquidity, and transparency.
- Bilateral OTC Trade vs Exchange Execution A bilateral OTC trade is a privately negotiated deal between two counterparties, contrasting with exchange execution where a central matching engine and clearing house mediate all trades.
- Block Trade in the Secondary Market How large institutional investors execute block trades to sell big share positions off-exchange without moving the market price against themselves.
- Block Trade Mechanics Large off-market stock transactions involving substantial share volumes, negotiated directly between buyers and sellers.
- Block Trade vs Retail Order Block trade vs retail order: how institutional block trades differ from retail orders in sourcing, routing, execution, and price impact.
- Block Trading Market Mechanics Learn how institutional block trades work: why large orders bypass lit exchanges, how dark venues and upstairs traders execute blocks, and what price impact risk means.
- Block Trading Platform Execution venues for large institutional trades with price improvement and discrete negotiation; an alternative to lit exchanges.
- Bloomberg U.S. Aggregate Bond Index The canonical investment-grade U.S. bond benchmark, spanning Treasuries, corporates, and mortgage-backed securities.
- Bond Index Methodology Why fixed-income indices weight by market value of debt outstanding, and how this shapes portfolio risk.
- Bond Trading Platform An electronic venue for price discovery and execution of fixed-income instruments, serving both dealer and client participants.
- Bond Trading Platform vs Stock Exchange How bond trading platforms differ from equity exchanges in price discovery, liquidity, and execution. Key structural differences explained.
- Book-Building Process in an IPO How underwriters conduct roadshows, gather investor demand indications, build an order book, and set the IPO price through the book-building process.
- Bought Deal An accelerated equity offering where an underwriter commits upfront capital to purchase the entire share block before investor roadshow.
- BSE Sensex India's primary stock market index, comprising 30 large-cap equities and representing the backbone of Indian equity markets.
- Bull market A bull market is a sustained, broad rise in asset prices. It is the opposite of a bear market—a period when prices climb, confidence grows, and investors are rewarded for holding.
- CAC 40 Index France's primary stock market index comprising 40 large-cap companies listed on Euronext Paris.
- Call Market A market structure where trading occurs periodically at a single clearing price, rather than continuously, allowing batch matching of buy and sell orders.
- Capped Index An index variant that limits the maximum weight of any single constituent, reducing concentration risk.
- Captive Market in Finance: Definition and Examples A captive market is where buyers have no practical alternative supplier. Learn how this applies to regulated utilities, insurance, and government debt markets.
- CBOE Options Marketplace The structure, products, and role of the Chicago Board Options Exchange, the largest U.S. options exchange by volume.
- Central Counterparty Clearing House Role in Trading Venues How a central counterparty clearing house manages risk in exchanges and MTFs by becoming the buyer to every seller and the seller to every buyer.
- Central Limit Order Book The electronic ledger at an exchange core that maintains all resting buy and sell orders ranked by price and time.
- Centralized vs Decentralized Market Structure Centralized markets use a single order book and venue; decentralized markets disperse trading across networks and counterparties. Each has distinct trade-offs in execution, discovery, and regulation.
- Circuit Breaker Halt Levels Explained Circuit breaker halt levels are automatic trading pauses triggered when the S&P 500 falls 7%, 13%, or 20% in a single day, halting equities and index futures for 15 minutes or closing the market.
- Circuit Breakers in Global Stock Markets How circuit breakers halt trading during sharp declines and how their design, thresholds, and durations vary across global exchanges.
- Clearing vs Settlement: What Is the Difference Clearing and settlement are two distinct post-trade steps: clearing nets and guarantees obligations; settlement delivers cash and securities.
- Closing Auction The closing auction is the mechanism by which a stock exchange matches orders at the end of the trading day to establish the official closing price. It occurs at 4:00 PM Eastern Time in the US, typically lasting a few seconds to one minute, and is used for benchmark pricing and index calculations.
- Closing Auction: How Exchanges Set the Official Close Price Learn how closing auctions set the official end-of-day price by batch-matching orders at 4 p.m., and why index funds and mutual funds rely on this closing price for net asset value.
- Colocation Colocation is the practice of placing trading servers physically near a stock exchange's data center to minimize network latency. Colocated traders receive market data microseconds faster than remote traders, providing a trading speed advantage in high-frequency trading.
- Composite Index vs Component Index: Key Differences Understand how a composite index includes all securities in a market versus component indices that track specific subsets or slices.
- Concentration Risk in Market-Cap-Weighted Indices Understand how concentration risk in market-cap-weighted indices exposes passive investors to outsized holdings in the largest stocks.
- Consolidated Market Data Feed The consolidated market data feed is the official, aggregated real-time data published by the Securities Information Processor, showing the best bid and ask prices across all US venues. It is the basis for regulatory compliance and is available to the public with a delay.
- Consolidated Tape The consolidated tape is the official record of all trades in US-listed stocks, published in real time by the Securities Information Processor. It reports every executed trade—price, volume, and timestamp—providing the complete trading history for each security.
- Consolidated Tape Explained What a consolidated tape is, how it aggregates trades and quotes from multiple venues, and why fragmented data impacts price discovery.
- Consolidated Tape Mechanics The system that aggregates last-sale trade reports from multiple US equity venues into a single unified real-time data stream.
- Continuous Auction Market Exchange matching buy and sell orders continuously throughout the trading session, updating prices in real time.
- Continuous Trading Session The main order-matching phase of a stock exchange, running continuously from market open to close with live order-book updates and real-time price discovery.
- Continuous vs Periodic Trading: How Each Market Structure Works Understand how continuous versus periodic trading market structures match orders. Continuous markets trade throughout the day; periodic markets batch orders at set times.
- Cornerstone Investor in an IPO Cornerstone investor IPO meaning: institutional anchors who commit capital before the roadshow, stabilizing demand and signaling confidence in the offering.
- Country Risk Premium in Equity Valuation Country risk premium in equity valuation: the extra return demanded to invest in a riskier nation, and how analysts incorporate it into discount rates for foreign stocks.
- Cross-Listed Stock Arbitrage Mechanics How traders exploit price gaps when the same stock trades simultaneously on multiple national exchanges.
- Crossed Market Explained A crossed market occurs when the best bid exceeds the best ask, violating normal pricing. Explains causes, risks, and how it signals fragmentation or data errors.
- Crossing Network Internal execution venues that match buy and sell orders without displaying them to the public market.
- Crossing Network Trading Private networks that match buyer and seller orders outside public exchanges, improving execution for large blocks.
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