Overfitting and Data Snooping
Meaning ⎊ The danger of creating models that perform well on historical data by capturing noise instead of true market patterns.
Autoregressive Conditional Heteroskedasticity
Meaning ⎊ A statistical model accounting for non-constant variance in time series data, where past variance predicts future variance.
Look Ahead Bias
Meaning ⎊ An error where a backtest uses future information that would not have been available at the time of the trade.
Standard Error
Meaning ⎊ A measure of the precision of a statistical estimate, indicating how much the sample mean deviates from the true mean.
Beta Weighting
Meaning ⎊ A method of measuring a portfolio's sensitivity and risk exposure relative to a specific market benchmark.
Return Distribution
Meaning ⎊ The probability distribution showing the frequency of different potential returns an asset can produce over time.
Stop-Loss Placement
Meaning ⎊ The strategic selection of an exit price to automatically close a trade and limit potential financial loss.
Deterministic Trend
Meaning ⎊ A predictable, non-random structural pattern or growth path in a series of data over time.
