Quant Code Playground — Free Online Python & C++ Compiler

Run Python & C++ quant code in the browser — price options (Black-Scholes), run Monte Carlo, compute Greeks & prep for quant interviews. No install. Templates included. Loved for quant interview coding practice.

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Practice Python and C++ for quant finance — free, no signup required

Start from: Full notebook

Python runs in your browser (Pyodide), so the first run takes a few seconds to start. Type below the output to keep going.

Python in your browser

A Python console running entirely in your browser, with "Full notebook" for a complete JupyterLab. Includes:

NumPy Pandas Matplotlib SciPy Interactive Cells File System SymPy scikit-learn
C++ Compiler (Godbolt) Open in Godbolt

Full C++ Support

Complete STL and modern C++ features available:

C++17/20 STL Containers Algorithms Numerics Threading Boost (optional)