Market & alternative data
APIs and data sources for market prices, fundamentals and alternative data.
181 projects · sorted by GitHub stars · data refreshed daily (last )
Open-source financial data platform with Python, CLI, and REST access
C++ financial research terminal with embedded Python analytics
Pythonic downloader for Yahoo! Finance market data
Elegant Python interface for open financial data
Additive time series forecasting with automatic seasonality handling
Open source wealth management and portfolio tracking platform
Free searchable database of 300,000+ financial symbols
Transparent Python toolkit of financial metrics and ratios
Visualizer for pandas dataframes and xarray datasets
Financial machine learning toolbox for quantitative research in Python
Python wrapper for the Alpha Vantage financial data API
Matplotlib utilities for visualizing financial data in Python
Python toolkit for market data, indicators and backtesting research
High-performance data frame for large-scale data manipulation in R
Pull financial and macroeconomic data into Pandas
High-performance Python datastore for time series and tick data
Keyboard-driven finance terminal for quotes, charts, and filings
Pythonic event-driven algorithmic trading library with backtesting and live trading
Unified Python API for downloading market data from many sources
Python financial data extraction from Investing.com
In-memory tabular data structures for Julia
Python library for real-time stock and option quotes
Local-first desktop workbench for China A-share research
Open-source Python reader for global stock and market data
Python client for TongDaXin market-data protocols
Python module for stock data from Yahoo Finance
Python dataflow framework for pipelines, crawlers, machine learning and trading
Time-series machine learning at scale with Polars
Python interface to the unofficial Yahoo Finance API
Python library for live data from India's National Stock Exchange
Self-hosted China equity data lake in local Parquet
Python module for real-time quotes from Google Finance
Open-source alternative to Yahoo Finance market data APIs
Code for Machine Learning for Asset Managers by López de Prado
Download Indian stock data from NSE, BSE and RBI
Python package for working with SEC filings data
Aggregate free financial APIs into SQL databases with Python
Lightweight Python library for assembling financial data
Domain-specific language for valuing financial contracts in Python
Time series data mining with the Matrix Profile
Download DeFi exchange and lending protocol price data in Python
Python client for Tiingo prices and news data
Simple bridge between pandas and the Bloomberg Open API
Extensible time series class for R built on zoo
Python client for the FRED economic data API
R interface to Bloomberg through the Blp API
Live market data stream from the Yahoo Finance websocket
Time series market data for Julia
High-level Python API for financial data
Technical indicators computed on streaming data in Python
Historical tick-level crypto replay and CSV downloads
SDMX client that loads official statistics into pandas
Python client for Brazilian Central Bank open-data APIs
Session-aligned OHLCV tables from Yahoo or local CSV files
R downloaders and parsers for B3 exchange files
Julia time series class for slicing columns and returns
Date-indexed Julia tables built on DataFrames
R client for Brazilian Central Bank series and FX
R scripts relating value stocks to inflation and growth
Currency reference objects and day counts in Python
Terminal dashboard for quotes, filings, and news
Websocket footprint candles for five crypto exchanges
Rust screening, ticker reports, and portfolio optimization
Python loader for historical crypto books and trades
Python builders for OECD composite leading indicators
Unified Python prices from Yahoo Finance and Coingecko
Pandas scrapers for S&P 500 lists and Yahoo quotes
JavaScript SDK for crypto exchange data and orders
Unified crypto OHLC candles from seven exchanges into pandas
Julia time series math, resampling, and missing-value fills
Curated links to SEC filing tools, datasets, and viewers
R heuristics and valuation functions from a finance textbook
Julia modules for spot and futures crypto venue data
R downloader for Brazilian Treasury bond prices and yields
R helpers that download factor and macro series from public libraries
Julia multi-hop currency conversion over a rate graph
Read-only MCP tools for session state and published research
Third-party Python client for FRED, ALFRED, and FRASER
Free DEX swap quotes with signable transaction calldata
R access to SimFin share prices
Pandas frames from the Bloomberg Desktop API
Normalized Japanese EDINET filings for Python and assistants
R client for Twelve Data prices and reference series
Normalized live trades and candles from four venues
Lorentz labels for ordinary moves and price jumps
Sparse eigenvectors and covariance estimation in R
Japanese official statistics for Python and assistants
Synthetic multi-asset prices with linked fundamentals
Offline Parquet export of futures tick and minute files
Notebook study of one Bitcoin order book
Thin Python client for Yahoo equity and FX quotes
Descriptive random draws with market-like return statistics
MCP server for Tokyo exchange timely disclosures
Official Swiss policy rates, FX, CPI, and index prices
Python SDK for hosted crypto prices and portfolios
Deterministic section scores for SEC periodic filings
Hosted order-flow and book-imbalance feed for agents
Filed public-company stakes in Anthropic and OpenAI
NASDAQ ITCH day files into book and trade tables
Python client for timestamped energy commodity series
Streaming tick data into time bars in Julia
Local portfolio trades from brokerage CSV holdings
Iranian equities, currencies, gold, and a price index
SEC holdings and insider filings for scripts and agents
Pairwise fundamental scores for two US stocks
Typed Python access to SEC company filing facts
Source-linked funding and liquidity briefs from public data
Contract specs and worked position-size arithmetic
Typed access to US Treasury debt, rates, and FX
Regex checks for events buried in 8-K filings
Typed client for CFTC futures positioning reports
Dated dividend snapshots and ETF holding exposure checks
Keyless client for SOFR and other reference rates
Sourced daily-loss and drawdown rules for prop programs
Public dollar-funding evidence with source dates kept
Daily gold buying-conditions score and input archive
Candlestick scans on downloaded Yahoo price history
Hyperliquid and Lighter books, fills and funding
Prices, filings and alternative series behind one key
Three-way sentiment labels for Japanese financial text
Three-way sentiment labels for Chinese financial text
Brazilian stocks, funds and macro data over REST
Quotes, dividends and macro series for Brazil
Posted buy and sell rates at Uruguayan exchange houses
Point-in-time Parquet lake with a required as-of
Machine-readable CFA and FRM formula sheets
US equity reference data with broker order entry
Crypto funding, liquidations and screener boards
Crypto prices, candles and asset metadata
On-chain pool, swap and token candle data
Stdlib script for SEC full-text search to CSV
Geographic revenue splits parsed from annual reports
Guards against quiet errors in filing extracts
Structured financials for Japanese listed companies
Hosted market data API for global prices and fundamentals
Nightly factor rows and historical similarity search
Python client for FRED, GeoFRED, ALFRED, and FRASER
Normalized SEC filings for desktop coding agents
Measured crypto exchange API latency with raw files
REST catalog of prices, statements and holder filings
Financial news search with sentiment and company tags
Multi-label classification for financial posts you supply
Self-hosted API for prices, fundamentals, and indicators
Official macro releases with publication timestamps
Headline bias scores for the major currencies
GitHub engineering signals for early startup sourcing
R socket client for Trader Workstation data
Settled Korean closes and DART filings as daily files
Daily Korean foreign-flow ranks and sector indices
Free multi-asset databank with file and API access
Exact look-ahead checks for declared data pipelines
Python connector for the MT5 desktop terminal
Hosted financial and alternative datasets behind one API
Offline diagnostics for series, headlines, and forecasts
Open benchmarks of crypto RPC, bridges, and data APIs
Canvas candlestick charts for React and Vue
Point-in-time fixed-basis adjustment for daily prices
Release control for staggered cross-sectional signals
Price-action and volume-wave statistics over MCP
Public commit-reveal ledger of stock predictions
Aggregated gold, forex, and crypto quote API
Daily subreddit ticker mentions with a sentiment label
REST and streaming API for multi-asset brokerage
Hourly crypto sentiment with publish-time hashes
One schema for quotes across several asset classes
Hosted Kalshi and Polymarket reads for scripts and agents
Social and news sentiment for stocks and prediction markets
SEC statements, ratios and holder filings behind a key
Indicator and candlestick functions for price arrays
Dependency-free TypeScript indicators with checked formulas
Tick history for prediction markets and related venues
Indicative multi-asset quotes over REST and WebSocket
Point-in-time US fundamentals stamped with filing dates
Typed client for US Treasury auctions and debt
Normalized trend series for assistants and HTTP clients
Pandas frames of China stock history and live quotes
Taiwan market series with honest as-of replay
Exchange rates, conversion, and holiday calendars over HTTP
Hong Kong issuers, holdings and public statistics
Monthly excess-move tables after SEC filings
Wire-level accounting for market-data WebSocket feeds