Finance & Trading

Tools for working with market data and financial calculations.

A flight simulator for trading strategies, so you can crash them safely before risking real money.

One shared remote control for over a hundred different cryptocurrency exchanges.

A free tap into government and financial databases, poured directly into a spreadsheet-like table.

The pricing math that Wall Street actually uses for bonds and options, free for anyone to run.

The trading-strategy tester that outlived the company that built it.

Free, no-signup access to the same stock charts and prices you'd otherwise pay a data vendor for.