Every options tool.
Real prices.
Zero hype.

Institutional historical market data, including options trades, NBBO quotes and minute bars.

Stock, options and economic data API with free and premium tiers.

Options and volatility analytics: IV rank, vol cones, skew, term structure, expected moves, dealer GEX and an API.

Market data site with options screeners, unusual activity, IV rank and charting; Premier is the paid tier.

Order book heatmap software that visualizes market depth and executed volume over time.

Real-time options flow with GEX levels, dark pool prints and a developer API.

Cboe's store for historical options data: end-of-day, interval summaries and trade data.

Cboe's professional options analytics platform with trade tape, statistics and earnings analysis.

Cboe's free options education: courses, a learning portal and webinars.

Real-time options order flow and dark pool feed with filters, alerts and an AI assistant.

cvforge research app (free download) with live options and market data plans.

Usage-based market data API with tick-level options and futures data from exchanges.

Historical end-of-day options data files for US equities and indexes.

Nassim Taleb's practitioner book on hedging vanilla and exotic options.

Trading journal focused on reviewing decisions, with tagging, analytics and a trade replay.

Financial data APIs, including a US stock options API with Greeks and implied volatility.

Historical intraday and tick data for stocks, futures and options, sold as downloadable datasets.

Options analytics API for Greeks, implied volatility surfaces and exposure data, with a free tier.

Real-time options order flow, block trades and dark pool prints, filtered to larger orders.

Gamma exposure charts and levels for indexes and stocks, with an API.

Downloadable end-of-day historical options data files, by history length and detail level.

Excel add-in and online calculators for option valuation, implied volatility and portfolio analysis.

Options order flow, dark pool prints and news sentiment in one dashboard, with mobile apps.

Financial data APIs including options prices, Greeks and unusual activity, for individuals and businesses.

Historical and live options and implied volatility data, with analytics tools and APIs.

Financial data and charting terminal with fundamentals, ETF data and portfolio tools.

Educational site with options and volatility calculators (Black-Scholes, payoff, probability) for Excel.

Options research site with screeners, earnings and volatility tools, and unusual volume reports.

Market data API and Google Sheets add-on with real-time and historical options chains.

Excel add-in with stock and options data functions, option chains and analytics.

Market data APIs (formerly Polygon.io) for US options, stocks, indices and more.

Quant dashboards for options positioning: gamma levels, volatility models and futures/options data.

Desktop charting and analysis software with Elliott Wave, order flow and strategy tools.

Desktop charting and strategy-testing platform that connects to many data feeds.

Options backtester and strategy modeler for multi-leg and 0DTE strategies.

Options screener that scans the market by strategy (covered calls, spreads, iron condors, calendars) with 170 filters.

Sheldon Natenberg's classic book on option pricing models and volatility.

Free options charts for open interest, volume, max pain and implied volatility, with a paid ad-free tier.

Options screener covering 23 strategies with 40+ filters, plus connectors for AI assistants.

Long-running site of free option calculators, chains, volatility charts and screeners.

Institutional historical options data (IvyDB) with implied volatility and Greeks, used by academics and funds.

Windows desktop software for options backtesting and position analysis with built-in historical data.

Free options education from the Options Industry Council: courses, webinars and strategy guides.

Free web calculator that charts profit and loss for single and multi-leg options strategies.

John Hull's standard textbook on options, futures and derivatives pricing.

Historical options datasets with Greeks and IV, including some free datasets.

Earnings-focused options data: implied versus actual earnings moves and straddle history by ticker.

Strategy builder and visualizer that plots profit and loss for multi-leg options positions, plus an optimizer and options flow.

Technical analysis software for advisors and wealth managers, with charting, research and portfolio tools.

Options research platform with a backtester (300M+ precomputed tests), scanners, strategy optimizer and real-time data.

Options data API with smoothed implied volatility, history back to 2007 and tools APIs.

Euan Sinclair's guide to option positions based on volatility and risk.

Options order flow, dark pool and net-drift style dashboards for US stocks and ETFs.

Cloud algorithmic research and backtesting platform (open-source LEAN engine) with options data.

Options analytics with GEX views, a wheel-strategy tracker and free calculators and scanners.

Windows charting and trading software popular for futures, with optional real-time data services.

Dealer-positioning research: gamma levels, HIRO hedging-impact indicator, equity hub and a daily note.

Market-wide gamma exposure (GEX) and Dark Index (DIX) data, with web and API access.

Web charting service with technical indicators, scans and chart lists.

Free trading journal with rule tracking, multi-account support and AI review of your trades.

Options and stock market data API with tick-level history and real-time streaming for individuals.

Trade accounting and tax software for active traders, including options and wash-sale handling.

Trading journal and analytics with broker imports and an AI assistant.

Open-source trading journal you can self-host for free, or use hosted.

Trading journal with broker imports, options support, analytics, a market replay simulator and AI feedback.

Web trading journal with trade imports, P&L analysis and sharing with mentors.

Trading journal with 600+ statistics, options support, simulators and an options backtester.

Trading journal that imports trades from brokers and analyzes them, with manual backtesting and trade replay.

Windows desktop trading journal with tax reports for stocks, options, futures and forex.

Browser-based charting platform with indicators, screeners, alerts and a large script library.

Charting and market analysis platform with automated trendlines, scanners, backtesting and options flow.

Options flow dashboard: a live feed of every US options trade with unusual-activity tags, plus dark pool prints, GEX heatmaps, screeners and news.

Programmatic access to Unusual Whales options flow, dark pool, GEX and market data via REST, WebSocket or MCP.

Free site charting the VIX futures term structure and its history.

Euan Sinclair's book on measuring, forecasting and trading volatility.

Dealer-exposure charts for vanna, charm and gamma across strikes, focused on SPX and 0DTE.