Backtesting Risk Models
Meaning ⎊ Backtesting risk models provide the quantitative foundation for stress-testing derivative strategies against historical and projected market volatility.
Point-in-Time Data
Meaning ⎊ Historical data that strictly represents what was known at a specific time, preventing the use of future revisions.
Backtest Drift
Meaning ⎊ The performance gap between a strategy's historical simulation and its actual live trading results.
Out-of-Sample Validation
Meaning ⎊ Verifying model performance on unseen data to ensure the strategy generalizes beyond the training environment.
Time Series Synchronization
Meaning ⎊ The process of aligning data timestamps from multiple sources to ensure accurate sequencing and analysis of market events.
High-Frequency Trading Latency
Meaning ⎊ The time delay between market events and system responses in high-frequency trading.
Backtest Overfitting
Meaning ⎊ Excessive tuning of a strategy to past data, resulting in poor performance when applied to new market conditions.
Latency Simulation
Meaning ⎊ Modeling the time delays in order execution and data transmission to ensure trading strategies are realistic and robust.
High-Frequency Backtesting
Meaning ⎊ Simulating trading strategies using high-resolution historical data to evaluate performance and risk.
Causality in Backtesting
Meaning ⎊ The logical requirement that all trading actions in a simulation must rely solely on information available at that time.
