BestEx Brings Time-of-Day Market Impact Modelling to US…

AI summary of the source article

BestEx Research has expanded its Pulse Market Impact Model to US equities, moving beyond global futures to offer pre-trade cost estimates that incorporate symbol, order size, duration, execution speed, and time-of-day interactions. Accessible via Pulse AI, a REST interface, and the AMS One platform, the model combines data from over one million institutional parent orders with US trade and quote data, tested on out-of-sample executions. BestEx claims prediction errors within a fraction of a basis point across multiple buckets. The system is designed for portfolio construction and execution scheduling, providing four years of minute-level bars alongside volume, volatility, spread, and depth forecasts.

Why it matters

Pre-trade market-impact forecasts allow portfolio managers and traders to modify schedules or rebalance positions prior to execution, preventing costly execution errors and model bias.

Key facts

• BestEx Research expanded its Pulse Market Impact Model to US equities via AMS One, a REST interface, and Pulse AI.
• The model models the joint interaction of order size, execution speed, and intraday time-of-day liquidity patterns using over one million institutional parent orders.
• BestEx claims prediction errors within a fraction of a basis point across order-size, liquidity, and intraday buckets based on a year of out-of-sample tests.