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Order Fill Probability

Reference note · Algorithm & operations archive

A written reference on order fill probability — how it works, how to configure it, and where it breaks under load.

How It Works

The internal mechanics of order fill probability tie together data ingestion, signal computation, and order handling into one pipeline.

Configuration

Parameter choices in order fill probability shape both signal quality and operational load. Record every change and the reason for it.

Failure Modes

Documenting how order fill probability fails teaches more than documenting how it succeeds. Regime shifts, infrastructure faults, and drift top the list.

Evaluation

Assess order fill probability with fixed look-ahead-free tests, then stress the operational side before calling it production-ready.

Configuration Reference

# Order Fill Probability tested configuration
mode: production
timeframe: auto
risk_limits:
  max_drawdown: 15 percent
  max_position: 3 percent
monitoring:
  alert_threshold: 0.5
  report_interval: hourly

Parameter Impact

ParameterEffectTrade-off
timeframeSignal frequencyHigher means fewer but more reliable signals
risk_limitMaximum exposureLower means safer but slower returns
lookbackIndicator sensitivityLonger means smoother but lagging
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