David Bookstaber is an engineer and quantitative analyst who builds tools where software engineering meets financial markets. Yale B.S. in computer science and mathematics (magna cum laude); Captain, U.S. Air Force; then quantitative finance at firms including Magnetar and AQR. Current focus: real-time market-data tooling that streams live data straight into the spreadsheet environment analysts already use. Background: Streaming Real-Time Market Data into Excel: Why RTD Beats an API for Analysts.
- vba-clean – removes compiled P-code from Excel workbooks (
.xlsm/.xlsb) that contain VBA, forcing a clean recompile. - tax_tracker – characterizes capital gains and dividend qualification based on trading activity (Python + Jupyter).
- vscode-outline-plus – VS Code extension for navigating, visualizing, and managing code regions.
- mediawiki-to-github – converts MediaWiki XML exports to GitHub Wiki Markdown.
- OpenAI_Assist_All_Tools – simple demo of an OpenAI Assistant using every tool type (2023).
- OpenAI_Assistant – smaller demo: an OpenAI Assistant with function calling (2023).
- claude-tier-self-recognition – code and data for a preregistered 2026 study of self-recognition in LLMs (archived dataset: DOI 10.5281/zenodo.20724958).
- ballistipedia – Monte Carlo simulations behind the precision-statistics reference at Ballistipedia.com.
- pyballistic – maintained fork of py-ballisticcalc, a point-mass trajectory calculator with custom drag models.
- davidbookstaber.com – personal site. The research page lists publications and acknowledgments.
- Substack – essays on finance, technology, and science.
Contact: david@bookstaber.com