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A PostgreSQL extension for collecting statistics about predicates, helping find what indices are missing

Arena based tree 🌲 structure by using indices instead of reference counted pointers

Climate indices for multi- and compound-hazard monitoring (drought, flood, wildfire, energy)

This is a database of 300.000+ symbols containing Equities, ETFs, Funds, Indices, Currencies, Cryptocurrencies and Money Markets.

TickDB: AI-native real time stock API and market data API for US/HK/CN stocks, forex, futures, crypto, indices and commodities. Skill, CLI, MCP, REST API and WebSocket. AI 原生实时股票 API 与金融行情数据 API，覆盖美股、港股、A股、外汇、期货、指数、大宗商品、加密货币。

Live and historical market data for: Stocks, FX, crypto, commodities, indices and ETFs over WebSocket and REST.

同花顺官方 A股金融数据服务，提供股票实时行情、历史行情、财务报表、指数、板块、涨停等数据，适用于 AI Agent、量化研究和应用开发，支持 API、MCP、CLI 和 Python。Official Tonghuashun (HiThink) A-share financial data service providing real-time and historical stock market data, financial statements, indices, sectors and limit-up data for AI agents, quantitative research and application development.