Market Data Glossary

Acronym/Term - Description

 

  • 802.1Q - An IEEE standard for exchanging VLAN information between Ethernet switches by using tags in the TOS field of the IP header.
  • AAN - NYSE Amex Access Network; current extranet providing access to Amex production systems.
  • Access - (1) Communications connectivity, as in direct access Customer. (2) The ability to work with a specific subset of the data managed by NYSE Euronext, as in access control and authorization.
  • Access Center - A physical facility where several companies that provide MAN and WAN services may rent space to host equipment and aggregate data circuits and/or fiber optic cable.
  • AEX - Amsterdam Exchange index
  • AMR  - Automated Market Reference for NYSE Liffe derivatives
  • ANNA - Service bureau for centralizing and consolidating ISIN codes
  • API - Application Program Interface
  • AS - See Autonomous System
  • ASCII - American Standard Code for Information Interchange
  • Autonomous System     One set of networked devices owned and operated by the same entity. More formally, a distinct network recognized as operated by a single organization and assigned a unique identifier known as an AS number.
  • BBO - Best Bid and Offer, aka Top of Book
  • BBO10 - 10 Best Bids and Offers
  • BdL - Luxemburg Stock Exchange
  • BEL20 - Brussels Exchange index
  • BGP - Border Gateway Protocol; a protocol for exchanging route information between Layer 3 network devices, defined in RFC 1771.This protocol is most often used to connect networks to the Internet.
  • BGP Peer - Two routers who, via BGP, maintain a TCP connection for the purpose of exchanging BGP route table information.For more information, see RFC 1771.
  • Big-Endian     Refers to which bytes are most significant in multi-byte data types. In big-endian architectures, the leftmost bytes are most significant. This byte order also corresponds to Network Byte Order.
  • CA     Corporate actions
  • CAC40     Paris Exchange index
  • CAP     NYSE’s Common Access Point Network currently providing access to NYSE production systems and services.
  • Carrier Hotel     A physical facility, either a building or a facility within a building, in which more than one carrier or service provider or customer maintains a point of presence, designed to make it easy to make interconnections between the various participants' points of presence.
  • Cash     The NYSE Euronext European Cash markets (Amsterdam, Brussels, Lisbon, Paris) covering Equities, Warrants, Bonds, Funds,
  • CCG     Common Customer Gateway
  • Channel     See Multicast Channel
  • ChannelID     For example, Channel AZ represents data for stock symbols from letter ranges A to Z.
  • Colocation     Colocation allows members to locate trading servers within a NYSE Euronext data center to be closer to the trading system and thereby reducing latency.
  • CPE     Client Premises Equipment
  • CSP     Content Service Provider; a subsidiary or partner of NYSE Euronext that provides applications, data or services to the financial community.
  • CSP Network     Content Service Provider Network; an access point to the Liquidity Center Network for third-parties to provide services to NYSE Euronext colocation customers.
  • CSV     Comma Separated Values
  • CTA     Consolidated Tape Association, NYSE Listed stocks. CTA encompasses Network A (which is NYSE) but also Network B (NYSE Amex) and all regional exchanges
  • CTSG     Customer Technical Support Group (Test environment for NYSE Liffe markets)
  • CUSIP     An alphanumeric identifier, comprising nine characters, for every class of traded financial instrument in the United States, including all US Government, municipal and corporate securities and syndicated loans.
  • DART     Data Administration and Reporting services. Entitlement software to control and monitor the use of market data, including reporting and audit facilities.
  • Data Feed     A collective term for set of one or more multicast streams, e.g. OpenBook, ArcaBook. Data feed most often is used in the context of multicast data  than TCP data.
  • Data Hall     An independent room in the data center intended as an operating environment for IT equipment.
  • Data Stream     A set of one or more multicast data channels. Typically a data feed consists of two redundant streams, an A stream and a B stream.
  • Derivatives     The NYSE Liffe derivatives markets (Amsterdam, Brussels, Lisbon, London, Paris) covering Interest Rate, Equity, Index and Commodity Derivatives
  • DNS     Domain Name Services; a network protocol to maintain a distributed database able to link IP addresses to alphanumeric "names" and respond to client queries with this association and other related information.
  • DR site     Disaster recovery site, backup for primary data feed
  • DTCC     Depository Trust & Clearing Corporation, US-based clearing house, provides clearing services to NYSE Liffe US
  • DWDM     Dense Wavelength Division Multiplexing; a technology that expands useful bandwidth on fiber optic cable by transmitting data via different light wavelengths simultaneously.
  • ECN     US Multilateral trading Facility
  • EMDDA     NYSE Euronext Market Data Distribution Agreement for European markets
  • EMDS     Euronext Market Data System due to be replaced by XDP
  • Entitlement     Right of access to the Information within the scope of the Agreement.
  • EoDWDM     Ethernet over Dense Wavelength Division Multiplexing
  • Ethernet     A standard for Layer 2 network connectivity as defined by the IEEE standard 802.3
  • EUA     External User Acceptance (test environment for NYSE Euronext European Cash UTP-MD)
  • Exchange     Trading Exchange such as NYSE Liffe, or a group of related products for trading, for example London financials, NYSE Arca Equities, NYSE Arca Bonds.
  • Extranet     A non-public network intended to give system or network access to a set of outside entities who have individual intranets.
  • Extranet Provider     Any external vendor that connects to SFTI® for the purpose of redistributing SFTI® services to remote Customers, often with additional access methods or protocols for the convenience of the end Customer(s).
  • FAST     FIX Adapted for Streaming; protocol offering significant compression capabilities for the transport of high-volume market data feeds and ultra low latency applications.
  • FH     Feed Handler
  • FIM     The legacy European cash market data feed, now UTP MD
  • FINRA     Financial Industry Regulatory Authority in the US
  • First Mile Provider     A carrier or other firm in the business of connecting a Customer's facility to SFTI®.
  • FIX     The Financial Information exchange (FIX) Protocol is a series of messaging specifications for the electronic communication of trade-related messages. Used by the CCG.
  • FIXML     Financial Information Exchange Markup Language, a structured, validated XML derived grammar for financial information
  • FOB     Full Order Book, offering full depth market information.
  • FSN     Financial Services Network; a network supported by NYSE Euronext that provides applications, data, or services to the financial community. Examples include CAP and AAN. Synonymous with VBB.
  • FTP     File Transfer Protocol
  • FX     Forex or Foreign exchange rate
  • Gbps     Gigabits per second
  • GDA     Global Data Administration
  • GDP     Global Data Products
  • Group ID     IP Multicast address for PDP data delivery.
  • GUI     Graphical User Interface
  • HA     High Availability
  • HFT     High Frequency traders
  • Host Symbol Format     A format set internally by NYSE order processing systems. Its representation of suffix is different from NMS systems.
  • ICE     Intercontinental Exchange
  • ICMP     Internet Control Message Protocol
  • IGMP     Internet Group Management Protocol
  • IMAC     Installs, Moves, Adds & Changes
  • Internet     The public collection of networks commonly known as the Internet, originally conceived and implemented by the Department of Defense and public universities as the ARPANet.
  • IPsec VPN     Another standard for Virtual Private Networks that uses the network cryptographic protocols for protecting IP traffic to provide an encrypted, secure "tunnel" for IP data traffic across a non-secure public extranet or the Internet.
  • IRIG     Inter-Range Instrumentation Group; IRIG-B is the most commonly used time code.
  • ISIN     International Securities Identification Number. A unique international code which identifies a securities issue
  • Json     Webservice format
  • KPI     Key performance indicator
  • LAN     Local Area Network; a network of machines generally limited to a local area, such as one or more floors of a building, or nearby buildings.
  • LC     Local connector; an optical fiber connector.
  • LCN     Liquidity Center Network, used by colocation customers to connect to financial services housed within the NYSE Euronext data center.
  • LCX     See Liquidity Center Cross-Connect
  • LDMA     Local Direct Memory Access
  • Liquidity Center Cross-Connect     A layer 1 capability providing connections exclusively between non-contiguous intra-customer racks in the data halls.
  • MAMA     Middleware Agnostic Messaging API
  • MAMDA     Middleware Agnostic Market Data API
  • MAN     Metropolitan Area Network; A collection of local area networks (LANs) that would otherwise be a wide area network (WAN), but which is local to a single metropolitan area.
  • MART     Message Archive and Retransmission - The PDP component that archives and retransmits PDP message packets.
  • Mbps     Megabits per second
  • MD     Market data
  • ME     Matching Engine
  • MiFID     Markets in Financial Instruments Directive
  • Monotonical     Incrementally increase in value by one.
  • MPLS     Multiprotocol Label Switching
  • MTF     Multilateral Trading Facility
  • MTU     Maximum Transfer Unit - The largest size of IP datagram that may be transferred on a given network. Most network implementations have a default setting of 1500 bytes.
  • Multicast Address     The destination address to which a multicast data stream is sent. For NYSE Technologies feeds it is typically a reserved IP address in public IP space i.e. not a private IP.
  • Multicast Channel     A single multicast stream, corresponding to a single multicast address.
  • Multicast Group     Synonym for multicast address.
  • NAT     Network Address Translation
  • NBBO     National Best Bid and Offer
  • NMS     National Market System; the service that provides consolidated equity and options market data for the US financial markets to the Financial Industry
  • NOC     Network Operations Center
  • Non-Pro     Non-professional trader, also retail investor, private investor
  • NSC     Nouveau System de Cotation - the name of the legacy NYSE Euronext European Cash trading engine
  • NTP     Network Time Protocol
  • NYPC     New York Portfolio Clearing, clearing house for US-based fixed income derivatives, joint venture between NYSE Euronext and DTCC
  • NYSE     New York Stock Exchange
  • NYSE Amex     American Stock Exchange. Part of NYSE group, NYSE Amex listed shares are on Tape B (CTB)
  • NYSE Arca     NYSE Arca is a fully electronic exchange for growth-oriented enterprises. Listed companies can grow on NYSE Arca and transfer seamlessly to the NYSE once they meet the requirements. The all-electronic NYSE Arca is also a leading listing and trading platform for exchange-traded funds (ETFs), offering the largest public ETF liquidity pool in the U.S.
  • NYSE Arca Europe (NAE)     NYSE Arca Europe is NYSE Euronext’s pan-European Multilateral Trading Facility
  • NYSE BondMatch (NBM)     NYSE BondMatch is NYSE Euronext's pan-European Corporate Bonds Multilateral Trading Facility
  • NYSE Common Access Point Network     See CAP.
  • NYSE Liffe     London International Financial Futures and Options Exchange (LIFFE) now called NYSE Liffe. In Europe, NYSE Liffe runs futures and options markets in Amsterdam, Brussels, London, Lisbon and Paris.
  • NYSE Liffe US     The NYSE Liffe derivatives market in the US
  • OEA     Open Entitlements API (OEA) allows firms to monitor and control access to in-house applications and users downstream of the market data platform.
  • OCx     Optical Carrier level x; The Synchronous Optical Network (SONET) includes a set of signal rate multiples for transmitting digital signals on optical fiber. The base rate (OC-1) is 51.84 Mbps.
  • OpenBook     US proprietary data product, includes the depth of the NYSE order book
  • OPRA     Options Price Reporting Agency
  • OTC     Over the counter trading, bilateral trade between two financial institutions
  • Packet Filtering     A technology that inspects packets as they enter a piece of networking equipment, such as a router, and take action on the packet (such as to discard, forward, or log it) based on a preconfigured rule set.
  • PDP     NYSE Proprietary Data Product.
  • PDP Format     PDP format is a binary format that is used for NYSE Proprietary Data products such as NYSE OpenBook and NYSE Alerts.
  • Permissioning     Procedure carried out by contracting party to enable Subscribers to receive access to the Information under the conditions of the Agreement.
  • PIM     Protocol Independent Multicast; the protocol used by SFTI® to route multicast packets.
  • PMAP     Presence Map
  • Port Number     Socket port assigned to a feed.
  • Private investor     See Non-Pro
  • Pro     Professional trader/user of market data
  • Product     Term used to define each separate product such as OpenBook, ArcaBook, Trades, Quotes, etc
  • Product Package     A set of one of more data feed products licensed as a single unit.
  • Production Network     A network supported by NYSE Euronext that directly supports the trading functionality and/or core business of one customer.
  • PSI     Portuguese Stock Index
  • PSN     Packet Sequence Number
  • Public Extranet Provider     See Extranet Provider.
  • Publisher     Generic name for any system/application generating PDP message products.
  • Recipient     Synonymous with Subscriber.
  • Retail investor     See Non-Pro
  • RFQ     Request for Quote
  • RFS     Refresh Server
  • RRP     Real-Time Reference Prices, a Real-Time market data product that allows the Publisher to display last price information f.i. on websites. Also Retail reference prices
  • RT     Real-Time
  • RTS     Retransmission Server
  • SDC     SFTI® Direct Connection
  • SDCAN     Shared Data Center Access Network; current extranet providing access to SDC production systems.
  • SectorNet     Sector's service network.
  • Sequence Number     A unique, sequential message ID that both 'tags' each message and allows recipients to identify message 'gaps' and request retransmission (if appropriate).
  • Service Authority     The entity responsible for a service. NYSE, for example, is the service authority for the services available through CAP. The service authority determines who may use a service, under what terms and conditions. The list of service authorities includes, but is not limited to, the exchanges, clearing corporations, and market data providers.
  • Service Bureau     An entity in the business of providing transaction-processing services (e.g., submitting trades) on behalf of member firms.
  • Service ID     Synonymous with Product ID.
  • Services     Applications provided for customers’ use by the production networks connected to SFTI®.
  • SFTI®     Secure Financial Transaction Infrastructure®
  • SFTI® Access Node     A physical facility, usually a Access Center, where NYSE Euronext hosts SFTI® equipment and where Customers may gain direct network access to SFTI®.
  • SFTI® IP     An IP-based wide area network (WAN) designed to connect customers to exchanges and market data, from sources within and external to the Liquidity Center.
  • SFTI® Optic     A point-to-point ethernet service to connect customer colocation environments in the data center to SFTI access centers using dense wavelength division multiplexing (DWDM) technology.
  • SFTP     Secure File Transfer Protocol
  • SMC     SFTI® Managed Connection
  • SoapXML     Webservice format
  • SONET     Synchronous optical network; a standard for optical telecommunications transport formulated by the Exchange Carriers Standards Association (ECSA) for the American National Standards Institute (ANSI). SONET bandwidth is divided into OCx levels
  • Subscriber     Any customer/client system that will subscribe to, and receive data products.
  • TAQ     Trades and Quotes, historical data product
  • TAQ US     US Trades and Quotes, historical data product
  • TCA     Transaction Cost Analysis
  • TCP     Transport Control Protocol; a connection oriented IP Transport layer protocol.
  • TCS     Trade Confirmation System. System available to NYSE Euronext European Cash members to report OTC trades.
  • Tech Comm     Technical communication
  • TMA     Trading Member Agreement for European markets
  • TOPCAC     Legacy European cash market trading feed (including market data), now UTP MD
  • UAT     User Acceptance Test
  • UDP     User Datagram Protocol; a connectionless IP transport layer protocol. Primarily used by SFTI® to transport IP multicast data.
  • UTP     Universal Trading Platform
  • UTP MD     Universal Trading Platform Market Data feed
  • VBB     Virtual BackBone, synonymous with FSN.
  • VLAN     Virtual Local Area Network; a networking standard that allows network devices, sometimes even those that span multiple Layer 2 switches, to appear as if they all reside upon a traditional shared media Ethernet segment.
  • VWAP     Volume Weighted Average Price
  • WAN     Wide Area Network; network connectivity using protocols to support distances greater than a MAN or LAN.
  • WIM     Web Issue Management Tool
  • XDP     Exchange Data Publisher; real-time data feed that disseminates market data for instruments.