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- Simudyne Pulse
Simudyne Pulse
London, United Kingdom
What it is
Simudyne Pulse is a platform for generating synthetic market data through APIs and a Python SDK for research, model training, algorithm development, and backtesting. Its PulseABM agent-based simulator produces market data at millisecond resolution for HKEX and LSE, including synthetic order books, L1/L2/L3 data, individual order events, and executed trades. Listed uses include algorithm backtesting, market-impact measurement, pre-trade transaction-cost analysis, stress scenarios, and model training. The simulated exchange is available over FIX 4.4 and can run at up to 20× speed. Its MCP server exposes market-data and backtesting tools to compatible assistants including Cursor, Windsurf, VS Code with GitHub Copilot, Cline, and Zed. The Python SDK returns simulation data as Polars DataFrames, and outputs are available in Parquet and ZIP formats. The Free plan costs nothing and provides pre-run cached simulations, up to 10 Monte Carlo runs per group, and a selection of symbols, dates, and scenarios for HKEX and LSE. New downloads are limited to 3 simulation groups per rolling 24-hour period, though downloaded groups can be fetched again for free.
For and against
For
- Free plan includes cached simulations.
- Supports HKEX and LSE data.
- FIX 4.4 connectivity can run at up to 20× speed.
- Python SDK returns Polars DataFrames.
- Outputs include Parquet and ZIP formats.
Against
- Free-tier downloads are capped at three new groups per 24 hours.
- Free groups allow up to 10 Monte Carlo runs each.
The verdict
Pulse combines synthetic market data generation with API, SDK, and FIX access for research and testing workflows. The free tier has clear limits on new simulation groups and runs, while Pro offers custom jobs without a listed price.
Who it suits
Pulse suits researchers, developers, and financial-model or trading-agent builders needing synthetic market data for training and testing. The listed Free tier offers cached simulations, while Pro is described with custom jobs and parameters.
Plans and prices
Free
Pre-run cached simulations · 3 new simulation groups per rolling 24 hours · Up to 10 Monte Carlo runs per group · Selection of HKEX and LSE symbols, dates, and scenarios
Read 3 Oct 2026 · pulse.simudyne.com
Pro
Custom simulation jobs · Any available calibration date · All 6 market scenarios with custom parameters · TWAP, VWAP, and CSS testing
Read 3 Oct 2026 · pulse.simudyne.com
On the record
- API key security
- API keys are shown only once at creation, can be revoked, and Simudyne says it stores only the key prefix rather than the full key.pulse.simudyne.com · read 3 Oct 2026
- Company history
- Simudyne says it was founded by simulation expert Justin Lyon in 2016.simudyne.com · read 3 Oct 2026
- Data
- PulseABM supports HKEX and LSE and provides synthetic order books, L1/L2/L3 data, individual order events, and executed trades.pulse.simudyne.com · read 3 Oct 2026
- Data format
- The Python SDK returns simulation data as Polars DataFrames.pulse.simudyne.com · read 3 Oct 2026
- FIX connectivity
- Pulse exposes its simulated exchange over FIX 4.4 and can run at up to 20× speed.pulse.simudyne.com · read 3 Oct 2026
- Free tier limit
- Free-tier downloads are capped at 3 new simulation groups per rolling 24-hour period, while previously downloaded groups can be fetched again for free.pulse.simudyne.com · read 3 Oct 2026
- Integrations
- The Pulse MCP server exposes market-data and backtesting tools to MCP-compatible assistants, including Cursor, Windsurf, VS Code with GitHub Copilot, Cline, and Zed.pulse.simudyne.com · read 3 Oct 2026
- Intended users
- Simudyne says PulseABM data is designed for training trading agents and financial models.pulse.simudyne.com · read 3 Oct 2026
- Product
- Pulse is a platform for synthetic market data generation, with APIs and a Python SDK for research, model training, algorithm development, and backtesting.pulse.simudyne.com · read 3 Oct 2026
- PulseABM
- PulseABM is an agent-based market simulator that generates synthetic market data at millisecond resolution.pulse.simudyne.com · read 3 Oct 2026
- Support
- The site directs users to [email protected] for symbol or venue requests and Pro upgrades.pulse.simudyne.com · read 3 Oct 2026
- Use cases
- The site lists algorithm backtesting, market-impact measurement, pre-trade transaction-cost analysis, stress scenarios, and model training as Pulse use cases.pulse.simudyne.com · read 3 Oct 2026
