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Friday
Nov182016

Devexperts integrates Nasdaq Basic to deliver International markets a cost-effective, on demand US market data solution

15 November 2016

DEVEXPERTS INTEGRATES NASDAQ BASIC TO DELIVER INTERNATIONAL MARKETS A COST-EFFECTIVE, ON DEMAND US MARKET DATA SOLUTION

Integration of Nasdaq Basic into dxFeed’s global on demand API offers an affordable US real-time and historical data service for international markets

Munich, New York- Munich based Devexperts GmbH, developers of the financial markets most successful professional retail and institutional trading platforms and providers of one of the US’ largest cloud based financial data infrastructures, today announced that they are working with Nasdaq to deliver a high quality, API based, on-demand real time and historical data service. The solution aims at providing cost effective data solutions to an increasing number of international retail and institutional investors interested in pricing and trading information on US equities. Devexperts clients will be able to get the most accurate data, ideas, and real-time stock notifications available, delivered directly to their algo devices, trading platforms, web based applications, software apps or mobile devices via a very easy to use API. Clients will benefit from the single largest liquidity pool with complete market coverage of all cash-listed equities and the highest data quality available in the market via Nasdaq Basic, one of the most popular and leading market data solutions.

Oleg Solodukhin, CEO of Devexperts Data Division said "We are delighted to work with Nasdaq to deliver our clients in Europe, Asia, Africa and Latin America one of the highest quality market data feeds with the most comprehensive coverage available for US stocks. We believe this service will be a game changer to serve small tech companies, start-ups, quants, professional investors, hedge funds and small brokerage companies with real-time service that can deliver full market coverage at unbeatable prices and a superior technical solution with no need for client side infrastructure".

Financial software innovations are increasingly coming from smaller companies and startups rather than the bigger, established players. However many of these companies have a hard time scaling the volumes of data and the overall costs to fit their infrastructure abilities and their budgets. With dxFeed and Nasdaq Basic, companies will be able to subscribe only the specific instruments they would like to consume, substantially reducing bandwidth and client side hardware.

dxFeed enables Nasdaq’s data updates in real-time, so clients — wherever they are in the world — are never a moment behind the market. They can check their portfolios from anywhere at any time.

In addition, clients will also be able to leverage Devexpert’s inforider market data terminal to visualize real-time and historical information, analytics and news on equities, options, futures and FX markets harnessing the power of the company’s state-of-the-art framework of data services, professional web, desktop technology and advanced mobile devices technology.

Thursday
Oct272016

Devexperts to deliver BATS DATA to international markets

Press-Release

27 October 2016

Integration of Bats BZX TOP into dxFeed’s global on demand API offers a very affordable US real time and historical data service for international markets.

Munich, New York- Munich based Devexperts GmbH, developers of the financial markets most successful professional retail and institutional trading platforms and providers of one of the US’s largest cloud based financial data infrastructures, today announced that they have reached an agreement with Bats to deliver a high quality, API based, on-demand real time and historical data service. The solution aims at delivering lower cost data solutions to an increasing number of international retail and institutional investors interested in pricing and trading information on US equities. Devexperts clients will be able to get the most accurate data, ideas, and real-time stock notifications available, delivered directly to their algo devices, trading platforms, web based applications, software apps or mobile devices via a very easy to use API. Clients will benefit from the US market’s best relation between price, quality and market coverage.

Oleg Solodukhin, CEO of Devexperts Data Division said «We are delighted to work with Bats to deliver our clients in Europe, Asia, Africa and Latin America a high quality market data feed for US stocks at an unbeatable cost. We believe this service will be a game changer to serve small tech companies, start-ups, quants, professional investors, hedge funds and small brokerage companies with a very effective on-demand service that can deliver good market coverage with a superior technical solution with no need for client side infrastructure.»

«This partnership with Devexperts to provide valuable, cost-efficient Bats data gives firms the freedom to create new and innovative products», said Kevin Carrai, Vice President for Market Data and Access Services at Bats.

Financial software innovations are increasingly coming from smaller companies and start-ups rather than the bigger, established players. However many of these companies have a hard time scaling the volumes of data and the overall costs to fit their infrastructure abilities and their budgets. With dxFeed and the Bats BZX TOP feed, companies will be able to subscribe only the specific instruments they would like to consume, substantially reducing bandwidth and client side hardware.

In addition, clients will also be able to leverage Devexpert’s inforider market data terminal to visualize real-time and historical information, analytics and news on equities, options, futures and FX markets harnessing the power of the company’s state-of-the-art framework of data services, professional web, desktop technology and advanced mobile devices technology.

Forward Looking Statements

This press release includes certain disclosures which contain «forward-looking statements.» You can identify forward-looking statements because they contain words such as «believes» and «expects.» Forward-looking statements are based on Bats’ current expectations and assumptions. Because forward-looking statements relate to the future, they are subject to inherent uncertainties, risks and changes in circumstances that may differ materially from those contemplated by the forward-looking statements, which are neither statements of historical fact nor guarantees or assurances of future performance. Important factors that could cause actual results to differ materially from those in the forward-looking statements are set forth in our filings with the SEC, including our final prospectus filed pursuant to Rule 424(b) and our quarterly reports on Form 10-Q, under the caption «Risk Factors.»

Disclaimer

Bats and its affiliates do not recommend or make any representation as to possible benefits from any securities or investments, or third-party products or services. Investors should undertake their own due diligence regarding their securities and investment practices. You cannot invest directly in an index. This press release speaks only as of this date. Bats disclaims any duty to update the information herein.

PDF Version

Thursday
Jun162016

dxFeed/QDS API release notes 3.203-3.240

Release Notes - QD - Version 3.240
** Change Request
QD-856: RecordBuffer may contain non-zero values beyond limit
QD-875: dxFeed API: add method DXEndpoint.disconnectAndClear
** Defect Report
QD-874: ExecutionManager must be removed from HashMap, when the RMIChannel is closed
Release Notes - QD - Version 3.239
** Change Request
QD-871: dxFeedScheme: MarketMaker shall contain counts of individual orders
** Defect Report
QD-862: DXFeed API Ignores exceptions thrown from DXFeedEventListener.eventsReceived
QD-866: Logged agent must log subscription going through addSubscriptionPart
QD-868: Agent aggregation period does not work properly with socket connectors
QD-869: NoSuchElementException in ClientSocketSource.getLocalAddresses(), local-address priority fails silently
QD-870: dxFeed API: IPF: Error reading empty lines in some cases.
** Improvement
QD-867: TextQTPParser shall understand date-only time specification history subscription
Release Notes - QD - Version 3.238
** Change Request
QD-832: QD RMI Shall have ability to limit default Java Serialization to a white-list of classes
QD-857: dxFeedScheme: OpenInterest field in Fundamental record shall be limited to composite only
** Defect Report
QD-861: Deadlock between QDEndpoint$Lock in RMIEndpointImpl.getRMILoadBalancerFactory and ClientSideServices lock in RMIClientImpl.removeConnection
Release Notes - QD - Version 3.237
** Change Request
QD-848: dxFeed API: Add and update rounding methods in PriceIncrements
QD-849: Tools: Instrument tool performance option shall work for read option.
QD-850: Schedule: add system property to control cache limit
QD-852: dxFeed API: Summary shall contain PrevDayVolume (composite only) and OpenInterest shall be limited to composite only.
QD-854: dxFeed API: Order shall contain count of individual orders
** Defect Report
QD-843: ConcurrentModificationException in MARSScheduler.cancel
QD-851: BUG FIX: current message shall be properly aborted upon error or session reset
QD-853: RMI: Deadlock between ClientSideServices and QDEndpoint$Lock
Release Notes - QD - Version 3.236
** Change Request
QD-605: RMI Channels
QD-771: Tools: FileWriter shall release completed files as time passes
QD-811: dxFeedViewer: Refactor and commit latest changes in dxfeed-viewer
QD-818: dxFeed API: Support TOS-specific data fields
QD-828: dxFeed API: IPF: Improve performance of reading IPF from file
QD-842: Schedule: update holidays and short days
** Defect Report
QD-535: FileConnector repeatedly tries to read a file that is already deleted or corrupted
QD-825: dxFeed API shall support integer Candle.Count fields in scheme
QD-836: Redundant libs in dxfeed-samples-assembly.zip and dxfeed-webservice.war
QD-838: dxFeed API: OrderBookModel incorrectly processes change of lot size
Release Notes - QD - Version 3.235
** Change Request
QD-809: Dgen: move to DXLIB project group
QD-824: dxFeed API: Make Greeks a TimeSeriesEvent with Time and Sequence.
** Defect Report
QD-823: BUG FIX: IPF: InstrumentProfileConnection does not read instruments from old services.
Release Notes - QD - Version 3.234
** Defect Report
QD-816: Event flags are not sent over the network connection
** Improvement
QD-817: DXFeed API: make all executor threads "daemon"
Release Notes - QD - Version 3.233
** Change Request
QD-779: Dgen: Javac plugin for automated generation of Description annotations from Javadocs
QD-815: Schedule: update holidays and short days
** Improvement
QD-807: Redirect tests output to separate files on maven build
Release Notes - QD - Version 3.231
** Defect Report
QD-782: BUG FIX: Minor memory leak in OrderBookModel
Release Notes - QD - Version 3.207
** Defect Report
QD-804: Dynamic IPF filter: ipf changes were not applied
QD-820: QD Connectors shall throw exception when ')' is missing in address
QD-822: BUG FIX: dxFeed API: Symbol attributes mishandled for regional symbols.
Release Notes - QD - Version 3.206
** Defect Report
QD-812: Post tool does not wait for protocol descriptors (event flags are not sent immediately after connection establishment)
QD-813: Writing objects to BYTE_ARRAY fields fails
QD-814: Some dxFeed samples are failing when trying to addEventListener
Release Notes - QD - Version 3.205
** Change Request
QD-801: QDS API: Introduce RecordCursor.Owner.setAs(RecordCursor) method
QD-802: QDS Message connectors shall report "connectors_closed" rate to MARS
** Defect Report
QD-808: Event flags are not sent immediately after connection establishment (random effect)
Release Notes - QD - Version 3.204
** Change Request
QD-709: NIO Connector: Better internal statistics
QD-787: dxFeed REST API: Support requests with timeout=0
QD-788: dxFeed API: Introduce DXFeed.getXXXIfSubscribed methods
QD-791: dxFeed API: Throw IllegalStateException when trying to addEventListener on non-empty and attached DXFeedSubscription
** Defect Report
QD-664: dxFeed API: ConcurrentModificationException during DXEndpoint.close().
QD-775: dxFeed REST API: Memory leak on timed-out events resource request
QD-789: dxFeed API: Subscription change notification for publisher should not be conflated on fast subscription remove/add
QD-792: NPE and connection reset when subscriber use older QD (same scheme)
** Improvement
QD-776: dxFeed REST API shall log "events" requests and responses
QD-794: Use while-guarded LockSupport.park in HistorySnapshotMTStressTest

 

Saturday
Jul112015

dxFeed C# API 1.01 has been released

dxFeed C# API 1.01 has been released:

  • namespaces refactored, connection listener added
  • Fundamental event renamed to Summary to match the latest notation
  • Trade listener bugfix
  • TimeAndSaleType enum
Thursday
Jul092015

dxFeed/QDS 3.203 has been released

dxFeed/QDS 3.203 has been released to public.
Available at: http://www.dxfeed.com/downloads/api/java/latest-release/

Build 3.203 introduces a number of changes since the last public build 3.200, in preparation to the upcoming 3.230+ public releases.

Summary of changes in build 3.203: 

** Defect Report

QD-714 History snapshot mode is not activated when initial data was without snapshot begin flag
QD-718 NullPointerException in AbstractIndexedEventModel
QD-721 QDS Post Tool does not support event flags
QD-727 BUG FIX: IllegalArgumentException in CheckedTreeSimpleTest
QD-730 RecordBuffer maxObFields tracking optimization is broken
QD-737 dxFeedAPI OrderBookModel hang/NPE in CheckedTreeList
QD-738 dxFeed REST API shall support comma-separated as well as repeated query parameters
QD-740 Tools: Sending data via pipe to post tool fails.
QD-750 Dynamic IPF filters: memory leak
QD-758 RecordBuffer.compact does not always properly cleans up
QD-765 Cannot receive data when connecting using 3rd party scheme to dxFeed scheme
QD-767 dxFeed REST API eventSource fails to create session sometimes
QD-769 Tools: Instruments tool shall fill TRADING_HOURS field for created products.
  
** Change Request
QD-387 Use record description from receiving data distributor to send only fields that are present in the scheme on the receiving side
QD-679 dxFeed REST API shall have auto-generated human-readable documentation
QD-681 dxFeed REST service demo shall provide links to event documentation
QD-713 dxlib: update gzip mime type and move utility classes to public package
QD-716 Support specifying time when subscription is set with dxfeed.qd.subscribe.history
QD-717 Transforms shall warn on use of undeclared variables
QD-720 History Snapshot protocol shall include SNAPSHOT_SNIP flag for compatibility with HistorySubscriptionFilter
QD-724 Tools: Instruments tool shall support transheader command in scripts
QD-725 Add methods to transform single InstrumentProfile
QD-726 Tools: Instruments tool shall support multi-line transforms command in scripts
QD-729 Tools: Instruments tool shall support transform performance option.
QD-731 Support ":" character in qd symbol patterns without additional escaping
QD-733 Tools: Collector option in tools shall support storeEverything mode for history contract.
QD-734 IPF: New transform functions to quickly check symbol category.
QD-735 dxFeed REST API shall support Server-Sent Events EventSource
QD-741 IPF: Support multiple labels in switch statement.
QD-742 Introduce RecordSource.VOID constant
QD-746 dxFeed REST API shall have option to create a session and change its subscription
QD-748 IPF: Support IPF files in in and notin expressions.
QD-749 OrderBookModel shall work correctly with tape files without SNAPSHOT_END flags
QD-751 dxFeed API: Introduce OrderBookModel.addListener, clean up flags, and improve JavaDoc
QD-752 dxFeed API: Add HighLimitPrice and LowLimitPrice to Profile event and record.
QD-753 Support wildcard pattern in any place of symbol filter
QD-756 dxFeed API CandleSymbol shall include documentation on its string representation
QD-757 CollectorMXBean shall print eventFlags in reportData, introduce reportSubscription, and support wildcard
QD-759 Schedule: add last modification date to default properties
QD-764 Synchronize iterations on the results of System.getProperties
  
** Improvement
QD-732 dxFeed webservice: Migrate to CometD 3.0.4, works with Servlet 3.0+JSR 356 containers (Jetty 9, Tomcat 8)
QD-755 IPF: Add COMPLETED state to InstrumentProfileConnection