Point-in-Time Data
Meaning ⎊ Historical data that strictly represents what was known at a specific time, preventing the use of future revisions.
Backtesting and Overfitting Risks
Meaning ⎊ The process of validating trading strategies against history while guarding against models that memorize noise instead of signal.
Backtesting Data Quality
Meaning ⎊ Backtesting data quality provides the essential fidelity required to transform historical market observations into reliable derivative trading strategies.
