Financial data platform for analysts, quants and AI agents.

Lean Algorithmic Trading Engine by QuantConnect (Python, C#)

A vanilla JS customisable select box/text input plugin ⚡️

Transparent and Efficient Financial Analysis

Provides an improved replacement for the array_replace PHP function

openctp提供CTP股票期权、中泰证券XTP、华鑫证券奇点TORA、东方证券OST、东方财富证券EMT、盈透证券TWS、易盛TAP、量投QDP等各通道的CTPAPI兼容接口，CTP程序可以无缝对接各股票柜台。openctp也提供了一套基于TTS交易系统的模拟环境，同样提供了CTPAPI兼容接口，不仅支持国内期货与期权全品种，也支持A股股票、基金、债券以及股票期权模拟交易，可以替代Simnow，为CTP量化交易开发者提供7x24可用的模拟环境。

Details on how to get Binance public data

Explore and extend more macros and syntax sugar to Vue.

A complete set of volatility estimators based on Euan Sinclair's Volatility Trading

Redux is a simple, truly extensible options framework for WordPress themes and plugins!

Real time stock and option data.

Template for top-down shooter, with solutions for tough problems.

A library for financial options pricing written in Python.

easy to use, powerful & expressive command line argument parsing for modern C++ / single header / usage & doc generation

A nimble options research and backtesting library for Python

Backtest 1000s of minute-by-minute trading algorithms for training AI with automated pricing data from: IEX, Tradier and FinViz. Datasets and trading performance automatically published to S3 for building AI training datasets for teaching DNNs how to trade. Runs on Kubernetes and docker-compose. >150 million trading history rows generated from +5000 algorithms. Heads up: Yahoo's Finance API was disabled on 2019-01-03 https://developer.yahoo.com/yql/

The Official Python SDK for Alpaca API

🍭 Custom Android Switch widget

#1 Open-Source Captable, an alternative to Carta, Pully, Angelist and others.

:bar_chart: Financial markets data library implemented in go.

Global key-value store in the database

Simple algorithmic stock and option trading for Node.js.

C++ 17 based library (with sample applications) for testing equities, futures, currencies, etfs & options based automated trading ideas using DTN IQFeed real time data feed and Interactive Brokers (IB TWS API) for trade execution. libtorch/lstm/cuda demo. Support for Alpaca & Phemex. Notifications via Telegram.

:gear: config and manage typed extra settings using just the django admin.

A sophisticated LangGraph-based agent that automates financial options analysis with real-time data from Polygon.io, smart caching, persistent memory, and professional-grade analysis. Built for traders, analysts, and developers who need intelligent options data processing

Quantitative Finance tools

A simple to use, composable, command line parser for C++ 11 and beyond

The NSE has a website which displays the option chain in near real-time. This program retrieves this data from the NSE site and then generates useful analysis of the Option Chain for the specified Index or Stock. It also continuously refreshes the Option Chain and visually displays the trend in various indicators useful for Technical Analysis.

Alpaca’s official MCP Server lets you trade stocks, ETFs, crypto, and options, run data analysis, and build strategies in plain English directly from your favorite LLM tools and IDEs

The Open-Source Backtesting Engine/ Trading Simulator by Bertram Enterprises.