The Total Skewness metric, featured in the book "Empirical Asset Pricing: The Cross Section of Stock Returns" by Bali, Engle, and Murray, measures the asymmetry in a stock's returns using all available data points, offering insights into whether the stock's returns are more positively or negatively skewed.

Asset growth is a key predictor of future stock returns, indicating a company's expansion or contraction, according to a 2008 study.

Operating Cash Flow to Assets is a metric that quantifies a company's ability to generate cash from its core operating activities relative to its total assets, with a higher ratio indicating greater efficiency in cash flow generation and a lower ratio suggesting less effectiveness.

Idiosyncratic Volatility from CAPM (21 days) is a metric that quantifies the unpredictability of a stock's returns that can't be explained by market trends over a 21-day period, indicating the extent to which a stock diverges from market behavior as predicted by the Capital Asset Pricing Model (CAPM).

Earnings Variability is a financial metric that evaluates the stability and consistency of a company's earnings in relation to its operating cash flow, providing insights into the reliability of a company's profitability over time.

Maximum Daily Return measures the highest percentage increase in a stock's price within a single trading day over the past 121 days, offering insights into the stock's potential for significant short-term price volatility.

Cash Flow Volatility measures how much a company's operating cash flow changes relative to its sales over a period of 16 quarters, helping to indicate the stability of the company's cash generation.

Stock prices often fail to fully account for the information contained in operating accruals until it impacts future earnings.

The Performance Mispricing Factor is a composite metric developed by Stambaugh and Yuan in 2017 that aggregates various financial indicators to identify potential mispricing in stock performance, offering insights into stocks that may be either undervalued or overvalued.

Cash-based Operating Profits-to-lagged Book Assets is a metric that gauges a company's cash-based profitability relative to its book assets from the previous year, offering insights into efficiency and profitability that have been shown to significantly influence stock returns.

Inventory growth measures how a company's inventory changes over time, providing insights into its ability to meet demand and manage resources, which in turn influences the firm's risk and financial performance.

Labor force efficiency measures the change in a company's sales per employee relative to the change in sales per employee in the previous year. It provides insights into the company's productivity and efficiency in utilizing its workforce to generate sales growth. Positive values indicate improved labor force efficiency, while negative values suggest a decline in productivity relative to the previous year.

The Short-Term Reversal metric, introduced by Asness et al. in 2020, calculates the highest 5-day return of a stock scaled by its volatility, aiming to capture significant positive price movements in the context of the stock's overall price volatility.

Tax expense surprise measures unexpected changes in a company's tax bill compared to last year and can offer investors clues about the company's future profitability.

Return Volatility measures how much a stock's price swings up and down over a certain period, giving investors an idea of the risk level associated with that stock.

The Piotroski F-score is like a financial health score for companies, calculated using details like income and debt; a higher score means the company is financially strong and a safer bet for investors.

The Ohlson O-score is a number that helps predict how likely it is for a company to go bankrupt, based on various financial factors like debt and profitability.

Share Turnover is a metric that measures a stock's trading activity by dividing the total traded volume by the average number of outstanding shares, providing insights into the stock's liquidity, with higher turnover indicating more trading activity and liquidity and lower turnover suggesting the opposite.

Measures a stock's sensitivity to market changes.

Dimson Beta is a financial metric that improves the traditional calculation of beta by accounting for the impact of infrequent trading, thereby offering a more accurate measure of a stock's relationship with the broader market.

The Frazzini-Pedersen Market Beta measures a stock's sensitivity to the overall market by considering its volatility and correlation over specific time horizons, offering insights into risk-adjusted returns and allowing for investment strategies like "betting against beta."

The Amihud Measure calculates how much a stock's price moves in response to trading activity, helping investors understand how easy or costly it will be to buy or sell that stock.

Price Momentum measures the long-term trend in a stock's price, helping investors identify whether the stock has generally been going up or down over a specified period.

Capital turnover is a measure that shows how good a company is at using its capital to make sales; a higher number means the company is more efficient, while a lower number could mean it's not making the most out of its money.

Gross Profit Change shows how much a company's gross profit has grown or shrunk over the past year, helping you understand if the company is getting better or worse at making money from its sales.

Quality minus Junk Growth is a score that combines various financial growth indicators like profit growth and cash flow growth to gauge a company's financial performance; a higher score means the company is growing well, while a lower score indicates weaker growth prospects.

Operating leverage is a measure that shows how much a company's costs are fixed, meaning it tells you how sensitive a company's profits are to changes in sales.

The Kaplan-Zingales index is a tool that helps us understand how easily a company can get the money it needs for growth and investments by looking at factors like income, debt, and available cash.

The R&D-to-market ratio tells us how much a company is spending on research and development compared to its overall market value, giving us an idea of how focused the company is on innovating and growing in the future.

Net stock issues indicate the net change in a company's outstanding shares over a set period, offering a predictive signal for future stock returns.