The S&P 500's highest daily close was on October 28, 2025 at 6,890.89. The index's highest monthly average of daily closes ...

In a recent write-up, [David Delony] explains how he built a Wolfram Mathematica-like engine with Python. Core to the system is SymPy for symbolic math support. [David] said being able to work ...

If you have experience with R or want a quick way to generate a regression with statsmodels using a pandas DataFrame, you can ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Learn how Excel’s AI Agent Mode simplifies workflows, automates spreadsheets, and offers actionable insights for ...

Learn how to plot a bell curve in Excel with simple step-by-step instructions for accurate data visualization. #ExcelTips ...

Fix Excel formulas that won’t spill! Learn how to troubleshoot #VALUE errors caused by Analysis ToolPak functions and improve your workflow.

This week's column takes a close look at which receivers are commanding targets at a high rate and what that could mean for ...

Statistical models predict stock trends using historical data and mathematical equations. Common statistical models include regression, time series, and risk assessment tools. Effective use depends on ...

You can create Word, Excel, and PowerPoint files from the Copilot chat interface. You can create Word, Excel, and PowerPoint files from the Copilot chat interface. is a senior editor and author of ...

The goal of this regression-centric space is to tell fantasy football folks which of their borderline fantasy options are running particularly hot or particularly cold, to use a little technical ...