Point-in-Time Data
Meaning ⎊ Historical data that strictly represents what was known at a specific time, preventing the use of future revisions.
Backtesting Momentum Strategies
Meaning ⎊ Simulating past momentum trading performance using historical market data to validate strategy viability before live usage.
Out-of-Sample Validation
Meaning ⎊ Verifying model performance on unseen data to ensure the strategy generalizes beyond the training environment.
Backtest Bias
Meaning ⎊ Distortion in historical performance metrics due to unrealistic simulation assumptions.
Walk-Forward Testing
Meaning ⎊ A dynamic validation technique using sequential training and testing windows to assess a model performance over time.
Backtesting Methodology
Meaning ⎊ Systematically testing a trading strategy against historical data to evaluate performance and identify potential risks.
Walk Forward Analysis
Meaning ⎊ An iterative testing process where models are optimized and tested on moving time windows to simulate live adaptation.
Option Portfolio Calibration
Meaning ⎊ The dynamic adjustment of options holdings to align aggregate risk metrics with desired market exposure and risk appetite.
Portfolio Balancing
Meaning ⎊ The act of adjusting asset weights to maintain a target risk profile and exposure level within a volatile financial portfolio.
