PHYSICS
High-Fidelity EngineBacktest Fidelity
AlgoLift replays market history tick-by-tick. Don't trust a spreadsheet; trust the raw tape to ensure your results are physically tradable.
Tick
Level Depth
Causal
Logic Flow
Spot
AWS Compute
Zero
Look-Ahead
Tick vs. Bar Data
The technical truth behind data granularity. Why raw tape is the only way to avoid ghost fills and false optimism.
Fidelity Checks
- Bid/Ask Sizes
- Level 2 Depth
- Sequence Reality
18 min read
Analyze Fidelity
Order Types & Fills
Learn how the matching engine models queue priority and slippage for limit and stop orders across various market states.
Fidelity Checks
- Queue Priority
- Market Impact
- OCO Accounting
18 min read
Analyze Fidelity
Simulation Realism
Eliminate look-ahead bias and alpha decay. Configure high-fidelity settings for professional-grade strategy validation.
Fidelity Checks
- Causal Data Flow
- Data Cleaning
- Bias Audits
18 min read
Analyze Fidelity
Latency & Modeling
The physics of the wire. Inject artificial network delay to test how your logic handles real-world connectivity issues.
Fidelity Checks
- Round-trip Time
- Slippage Injection
- HFT Stress-Tests
18 min read
Analyze Fidelity