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Version: 8.5.12.1

Release Notes

December 6th, 2025 Release Notes​

Message and enum differences can be found here.

SpiderRock Connect:​

  • Added new enum "BalanceOrNone" to TakeReachRule.
  • Adjusted position rotation logic to properly handle corporate actions.
  • Adjusted the trading schedule to allow multi-leg order routing during extended hours.
  • Corrected posNotional value in riskCubeDetailV5.
  • Fixed issue with some erroneous order duration for auto hedges.
  • Fixed vol to limit price translation logic where limit collars were breached.

Citrix Tools:​

  • Symbol Viewer - Order Blotter - Recalculates uLimitPrc upon restore.

WebApp Tool Suite​

  • Trade - Added hybrid algo.
  • Trade - Added pulse algo.
  • Trade - Aligned locate types with WTS types.
  • Trade - Fixed sized column width on auction cards list.
  • Trade - Released Bid-Ask-Prc Tradesheet.
  • Trade - Resolved spacing issue in summary card.
  • Trade - Updated future card design.
  • Trade - Updated parameters for active maker, active taker, TWAP alpha algos.

Coming Soon to SpiderRock​

Europe Expansion​

SpiderRock is expanding to European markets, bringing our cutting-edge trading technology to a global audience. Now available via our powerful APIs — SRSE and MLink — as well as our newly launched Trade Tool, our platform offers seamless access to European derivatives markets. With real-time market data, advanced analytics, and high-performance execution capabilities, SpiderRock empowers traders and institutions to optimize their strategies across multiple regions with ease.

Next Generation Quant Package​

SpiderRock is working to deliver our next generation quant package. This package will include new surfaces, improved fair market probability models, and integrated support for FLEX options.