smart-order-routing

One open-source API for prediction markets. Trade Kalshi, Polymarket, Polymarket US and Opinion with one Python SDK: unified market data, smart order routing across venues, and advanced order types. Plus tick-level Kalshi order book history.

Same stock, dual wrappers, live gap. Real-time tokenized US stock price comparison, reference gap analysis, and best-execution routing across bStocks and Ondo on BNB Smart Chain.

Sequence Markets — independent third-party profile of a public API surface, by API Evangelist. Sequence Markets is a Y Combinator (Winter 2026) trading operating system for institutional crypto that provides unified execution infrastructure across 12 fragmented digital-asset venues — centralized exchanges (Coinbase, Binance, Kraken, OKX, Bybit, Bit

ML-driven smart order routing — gradient-boosting models predict venue-level slippage, fill probability, and latency from a live ROS 2 execution-quality pipeline (FastAPI + React), with rolling live validation against realized fills

Experimental Sui CLMM aggregator backend in Rust: multi-DEX quotes, tick-aware routing, unsigned PTB generation, and Redis/PostgreSQL workers. On-chain execution is not yet verified.

Smart order router achieving 74% fill improvement | Real-time latency tracking | 8 venues | 87% improvement under stress

VALEN S4: Production algorithmic trading system for Hyperliquid DEX. 3-layer architecture, 11 sleeves, 4,376 tests, 900+ PRs. Live on mainnet. Clean Architecture, AI-augmented development, hypothesis-driven research.