Seventy-eight percent of the stock screens AAII tracks posted gains during 2025, with an average gain of 14.7%.

Discover how changes in interest rates create short-lived but lucrative arbitrage opportunities. Learn strategies for fixed-income, options, and currency markets.

There are about 45 stocks in my portfolio, but there are some I have far more money in than others. SoFi is my largest investment as we head into 2026 thanks to stellar stock performance over the past ...

Abstract: In this article, the classic portfolio selection problem is reformulated as nine convex optimization problems to maximize nine risk-adjusted performance indexes based on nine different risk ...

Quantitative Finance Attribution Analysis (QuantFAA) is a Python library designed to help portfolio managers, quant researchers, and risk analysts explain performance vs. benchmarks using Brinson, ...