T-Statistic
Meaning ⎊ A ratio used in hypothesis testing to determine if a result is statistically significant relative to data variation.
Significance Thresholds
Meaning ⎊ Predefined quantitative benchmarks used to distinguish statistically significant findings from random noise.
Type I Error
Meaning ⎊ The incorrect rejection of a true null hypothesis leading to the false belief that a market edge exists.
Volatility Smile Inconsistency
Meaning ⎊ The market phenomenon where implied volatility differs across strike prices, contradicting simple model assumptions.
In-Sample Data
Meaning ⎊ Historical data used to train and optimize trading algorithms, which creates a bias toward known past outcomes.
Null Hypothesis
Meaning ⎊ The default assumption that no statistically significant relationship or effect exists within a given data set.
Golden Cross
Meaning ⎊ A bullish chart pattern where a short-term moving average crosses above a long-term one, signaling potential upward momentum.
Elastic Net Regularization
Meaning ⎊ A hybrid regularization method combining L1 and L2 penalties to achieve both feature selection and model stability.
Relative Value Arbitrage
Meaning ⎊ Exploiting price differences between related assets by going long on the cheap one and short on the expensive one.
Co-Integration Analysis
Meaning ⎊ A statistical technique identifying long-term stable relationships between asset prices for robust arbitrage strategies.
Edge Quantification
Meaning ⎊ The statistical validation that a trading strategy has a positive expectancy and a measurable advantage over the market.
