Tomorrow Library / An open quantitative resource
Quantitative knowledge.
Built to be used.
Understand the mathematics. Build the tools. Test the idea. A home for quantitative finance, from first principles to reproducible research.
Explore the shelves.
View the source map ↗Learn
Mathematics, market structure and the habits of careful research.
02Code
Reusable pieces for data, features, models, portfolios and risk.
03Data
Original price, trade and observation files with source links.
04Research
Frameworks, papers, open questions and working drafts.
05Compete
How to prepare, where to compete and what solutions teach.
06Practise
Take a concept into the market and portfolio simulator.
Start with a question.
The research process →What is available at the decision time?
Learn to distinguish observations, forecasts, labels and future information.
Does the idea beat a simple baseline?
Build a chronological comparison and account for selection and uncertainty.
What changes when it has to trade?
Follow positions, fills, fees and the cash/share account.
Learn from the challenge.
Solutions & write-ups →Prepare to compete.
Build a valid submission, investigate the market, control inventory and preserve a reproducible result.
Read the competition handbook →Study how others solved it.
Explore Tomorrow’s round analyses alongside attributed winning and public solutions.
Browse the solution collection →