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order-book

Rust service that keeps a live, correctly sequenced Binance spot order book in memory and serves it over HTTP, WebSocket and Prometheus.

Rust trading library: exact decimal prices, a level-2 order book, ticks to OHLCV candles, 700+ streaming technical indicators, Black-Scholes Greeks, a position ledger and risk limits. Checked types, no panics.

C++ market data feed handler library: live Binance and Coinbase WebSocket trades, Binance/Coinbase/Alpaca/Polygon trade normalization with exact decimals, lock-free SPSC ring, OHLCV bars, order books, feed health, OFI and VPIN. C++17 header + C API over the fin-stream Rust core, prebuilt, CMake FetchContent.

C++ trading library with exact decimals: header-only C++17 API and C API for 740 technical indicators, an L2 order book, OHLCV candles, Black-Scholes Greeks, position ledger, risk rules and a backtester. Rust-powered (fin-primitives).

Python crypto WebSocket market data: live Binance and Coinbase trades, Binance/Coinbase/Alpaca/Polygon trade normalization with exact decimals, OHLCV bars, order books, feed health, order flow imbalance (OFI) and VPIN. Rust core (fin-stream), prebuilt wheels, pip install fin-stream.

Python technical indicators library and trading toolkit with exact decimals: 740 streaming indicators, L2 order book, ticks to OHLCV candles, position ledger, risk rules, Black-Scholes Greeks, backtester. Rust-powered (fin-primitives).

Free and open source crypto-currency exchange core