margin-of-safety

List of resources that I use for investing research

Investment analysis based on the Graham and Buffett value investing methodology

VaLuLens is a web-based fundamental analysis platform that helps investors estimate the intrinsic value of any stock using multiple valuation methods, health scoring, and machine learning growth predictions.

80 validated aerospace-engineering tools for Python, the CLI, and MCP agents: structures, aerodynamics, compressible flow, propulsion, orbital mechanics, ascent and recovery, optimization, and reliability. Every result is traceable to a published reference.

Know what a stock's worth AND at what price it's safe to buy — an open, verified valuation cockpit (Excel + HTML): DCF, comps, quality scores, and a quality-tiered margin of safety.