F

feed-handler

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.