Abstract: This patent document discloses a dynamic simulation system. The dynamic simulation system includes: a trading device configured to communicate a user input; a replay device in communication with trading device and including a processor coupled with a memory configured to store instructions. The processor is configured to execute the stored instructions that direct the replay system to analyze a plurality of simulation virtual machines stored in the memory; and a simulation virtual machine identified based on the analysis of the plurality of simulation virtual machines. The simulation virtual machine is associated with the trading device and is configured to determine a delta between received market data at a first time and received market data at a second time, wherein the delta reflects a difference between the market data and a quantity identified in a trade action received from the trading device.

Abstract: This patent document disclosed and describes a system and method to provide a simulation on a trading. An example method includes receiving a first electronic market data from a stored data source; receiving a first simulated trade action for a first tradable object; executing the first simulated trade action for the first tradable object with respect to the first market data, such that the execution of the first simulated trade action generates second market data based on an impact of the first simulated trade action on the first market data; determining a first delta between the first market data and the second market data, such that the first delta reflects a difference between the first market data and the second market data.

Abstract: Orders relating to a sale or purchase of securities are staged into an execution management system that includes a processor programmed to perform securities trading activities. Data describing the orders is stored in a database, which includes a neutral account. After the orders are staged into the execution management system, one or more of the orders, or portions thereof, are associated with one or more brokers for execution.

Abstract: A system includes a communication module to communicate with at least one client; and a server to process a task identified by the client, the task associated with an account, the server including a plurality of account-centric pipelines, one or more account-centric pipelines each configured to process the task.

Abstract: A system includes a communication module to communicate with at least one client; and a server to process a task identified by the client, the task associated with an account, the server including a plurality of account-centric pipelines, one or more account-centric pipelines each configured to process the task.