Option Flow and Unusual Options Activity Tools

Unusual Whales tracks real-time options order flow, sweeps and blocks across thousands of US tickers, alongside dark pool prints, gamma exposure and congressional trading data. A built-in AI assistant summarizes market activity and flags notable trades. Extensive filtering makes it a common starting point for retail traders following institutional options activity.

Best for: Traders wanting the broadest raw options-flow and dark pool dataset

• options flow
• dark pool prints
• gamma exposure
• congress trading
• alerts

• Also in
• Insider & Sentiment

BlackBoxStocks combines an options flow scanner with real-time stock alerts, dark pool tracking and a built-in trader chat community. Its algorithm scans thousands of stocks and options for volatility and unusual activity, pairing that data with social discussion. It suits traders who want alerts plus a community rather than a pure data feed.

Best for: Active traders who want flow alerts plus a live community

• options flow
• dark pool tracking
• real-time alerts
• trader chat
• charting

Cheddar Flow is a streamlined real-time options flow scanner that highlights sweeps, blocks and unusual volume with more than 30 filters, plus dark pool prints on its higher tiers. An AI engine rates each alert's strength and color-codes calls, puts and sweeps for quick scanning. It suits traders who find broader flow platforms overwhelming.

Best for: Traders who want a focused, less cluttered flow scanner

• options flow
• sweep detection
• dark pool prints
• greeks
• ai alerts

FlowAlgo tracks intermarket sweep orders, block trades and dark pool prints in real time, filtering for aggressive ask-side buying to surface institutional-style order flow. Real-time alerts and historical replay let traders review past sweeps. It is aimed at active day and swing traders who want a mobile-friendly, signal-focused flow feed.

Best for: Day and swing traders wanting a fast, mobile flow feed

• sweep detection
• block trades
• dark pool prints
• real-time alerts

InsiderFinance processes millions of daily options and dark pool prints to surface the flow most likely to move a stock, alongside gamma exposure, open interest and a market scanner with news sentiment. It also tracks congressional and insider trades. A limited free flow feed is available before the paid dashboard is needed.

Best for: Traders wanting flow, dark pool and GEX in one low-cost dashboard

• options flow
• dark pool prints
• gamma exposure
• congress trading
• scanner

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• Insider & Sentiment

Tradytics bundles live options flow and sweeps with dark pool data, AI-generated trade ideas and market net-flow indicators, plus a Discord bot for server integration. A free tier gives delayed data and a market overview, with full live flow reserved for paid plans. It targets retail traders wanting AI-assisted analysis alongside raw flow.

Best for: Traders who want AI-summarized flow and dark pool signals

• options flow
• dark pool data
• ai trade ideas
• discord bot
• scanners

TradeAlgo pairs an AI-generated options flow score with real-time dark pool tracking, rating each trade on size, aggression and historical pattern match. A free daily AI market briefing is offered alongside paid Terminal access for live flow screening and dark pool cross-referencing. It suits traders who want AI-filtered signal quality over raw feed volume.

Best for: Traders who want AI-scored, pre-filtered flow signals

• options flow
• dark pool tracking
• ai scoring
• trade ideas

Quant Data delivers exchange-licensed options order flow, dealer positioning across delta, gamma, vanna and charm, and dark pool prints through a web dashboard and mobile apps. Its options heat map covers more than 30 metrics alongside real-time news. Founded in 2020, it focuses on making institutional-style order flow affordable for individual traders.

Best for: Traders wanting exchange-licensed flow with dealer Greeks

• options flow
• dealer positioning
• dark pool prints
• heat map
• alerts

Bullflow is a real-time unusual options activity scanner that streams flow alerts, net GEX and net VEX data to web, iOS and Android apps. It includes options chain search, premium bid/ask charting and a private Discord community for discussing flow, with an accompanying educational academy. An API is also offered for streaming flow data.

Best for: Traders who want flow alerts plus a private trading community

• options flow
• gamma exposure
• dark pool alerts
• discord community
• api

SpotGamma focuses on dealer positioning and gamma exposure for over 3,500 stocks and indices, with its HIRO indicator visualizing real-time options impact and a TRACE heatmap of S&P 500 support and resistance. Twice-daily commentary and an options calculator round out the platform, which integrates with TradingView, thinkorswim and NinjaTrader.

Best for: Traders who want gamma exposure and dealer hedging levels

• gamma exposure
• dealer positioning
• key levels
• market commentary

• Also in
• Options Analytics

MenthorQ publishes more than 60 quantitative models covering net gamma exposure, gamma levels and volatility risk premium across stocks, futures, indices and crypto, with an AI assistant for natural-language screening. Gamma levels plot directly onto TradingView, NinjaTrader, Quantower and other charting platforms, aimed at futures and 0DTE-focused traders.

Best for: Futures and 0DTE traders wanting gamma levels on their charts

• gamma exposure
• dealer positioning
• key levels
• futures options

GexBot streams real-time gamma exposure levels for index and single-stock options, delivering dealer positioning data through a web dashboard as well as Discord and Telegram integrations. It is one of the longer-running dedicated GEX tools, aimed at traders who want live dealer hedging levels without a full flow-scanner subscription.

Best for: Traders who want a dedicated, low-friction GEX feed

• gamma exposure
• dealer positioning
• discord alerts
• key levels

Barchart's unusual options activity screen flags contracts trading at high volume relative to open interest, alongside preset screens for high implied volatility and large open-interest changes. It sits inside the broader Barchart data platform, with deeper flow history and extended analytics gated behind a Barchart Premier subscription.

Best for: Traders who already use Barchart for quotes and charts

• unusual options activity
• implied volatility screen
• open interest
• alerts

• Also in
• Options Analytics
• Market Data APIs

Benzinga Pro pairs a real-time news squawk and headline feed with a customizable scanner for price, volume, float, relative volume, and short interest, plus preset strategies like premarket gainers and five-minute movers. It is best known for speed on breaking-news-driven moves rather than deep fundamental screening. Traders use it to react quickly to catalysts during the session.

Best for: News- and catalyst-driven day traders

• real-time scanning
• news alerts
• premarket movers
• custom filters
• squawk audio

• Also in
• Screeners & Scanners
• News

SqueezeMetrics publishes the Dark Index (DIX), a dollar-weighted dark pool short-volume gauge for S&P 500 names, and GEX, one of the original public gamma exposure models. DIX is free and updated daily after the close, while the fuller monitor and historical data sit behind a monthly subscription. It is regarded as an academic benchmark for these metrics.

Best for: Traders wanting the original, research-grade DIX and GEX metrics

• dark pool index
• gamma exposure
• daily data
• historical charts

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• Insider & Sentiment

Trade Echo bundles real-time options flow, dealer gamma heatmaps, dark pool prints and algorithmic trade detection into one terminal, with professional charting that overlays dealer positioning. It also offers AI agents that can execute trades in a linked brokerage and a copy-trading feature. Native iOS and Android apps are included.

Best for: Traders wanting flow, GEX and dark pool consolidated in one terminal

• options flow
• dealer positioning
• dark pool prints
• copy trading

FlashAlpha is a developer-oriented API delivering per-strike gamma, delta, vanna and charm exposure, implied volatility surfaces and dealer positioning for over 6,000 US equities, ETFs and CME futures, with historical replay back to 2017. It ships SDKs for Python, JavaScript, C#, Go and Java, plus a free tier for light use.

Best for: Developers building their own dealer-positioning dashboards or bots

• gamma exposure
• dealer positioning
• volatility surface
• api
• historical replay

• Also in
• Market Data APIs

GEXStream provides real-time gamma exposure and options analytics through intraday dashboards, heatmaps and historical views, covering implied volatility and options inventory alongside gamma pulse monitoring. It is a narrower, dedicated alternative to broader flow platforms for traders who mainly want live GEX and IV visualizations.

Best for: Traders who want a dedicated real-time GEX dashboard

• gamma exposure
• intraday heatmaps
• implied volatility
• pulse monitoring

SquawkFlow is a free options flow and dealer-gamma terminal covering roughly 190 stocks and ETFs, with per-strike GEX, dark pool flow, sector rotation and a published, transparent record of its own simulated trades including losses. It explicitly bills itself as educational rather than investment advice and currently charges nothing.

Best for: Traders wanting a free flow and GEX terminal with a public track record

• options flow
• gamma exposure
• dark pool flow
• sector rotation

GEX Levels overlays gamma exposure, dealer Greeks and daily call wall, put wall and gamma flip levels onto TradingView, NinjaTrader, Sierra Chart and other charting platforms. A free daily 'Morning Map' email and trading journal are offered alongside paid indicator and desktop-terminal subscriptions, with a focus on futures like the NQ.

Best for: Futures traders wanting gamma levels plotted on their own charting platform

• gamma exposure
• dealer positioning
• key levels
• charting overlay

ZeroGEX tracks real-time gamma exposure, gamma flip levels and call and put walls for SPY, SPX, QQQ and NDX with one-second data refreshes, alongside an options flow view, max pain analysis and intraday tools like VWAP deviation and opening-range breakouts. A 7-day free trial precedes its paid subscription.

Best for: Index traders wanting fast-refreshing GEX on major indices

• gamma exposure
• options flow
• max pain
• intraday tools

Options Flow is a real-time options order-flow scanner built around five signal filters designed to isolate informed institutional trading, paired with GEX visualization and per-trade Greeks and P&L charts. It runs a single, full-access paid plan with no free tier, alongside structured educational tracks on flow and 0DTE trading.

Best for: Traders wanting a single all-access flow and GEX subscription

• options flow
• gamma exposure
• trade analysis
• greeks

OptionsFlow is a mobile-first app that scores unusual options trades from 0 to 100 based on size, aggression and repetition, gating push alerts to only the highest-conviction setups. Its Smart Money Watch tracks multi-day accumulation per ticker. A free download is available, with a paid tier unlocking full filtering and alerts.

Best for: Mobile-first traders wanting high-conviction flow alerts only

• options flow
• conviction scoring
• push alerts
• smart money tracking

OptionStrat is a visual options strategy builder that lets traders model multi-leg spreads and see live payoff diagrams, breakevens and Greeks before placing a trade. It also includes a backtester and a real-time options flow feed. Free access covers basic strategy building, with paid tiers unlocking backtesting and flow.

Best for: Traders who want fast, visual multi-leg strategy modeling

• strategy builder
• payoff diagrams
• backtester
• greeks

• Also in
• Options Analytics
• Trading Journals

Market Chameleon offers deep options analytics including implied volatility rankings, unusual options volume reports, earnings implied-move data and screeners for spreads, straddles and other strategies, alongside stock movers and an economic calendar. Operating since 2007, it appeals to traders who want research-grade options data in one place.

Best for: Traders wanting deep IV and earnings-move research in one tool

• iv rank
• options screener
• earnings moves
• unusual volume

• Also in
• Options Analytics
• Screeners & Scanners

ApexVol is an options analytics terminal consolidating implied volatility, dealer gamma, Greeks and live option chains into around 50 modules, including a strategy lab for backtesting and payoff analysis and a market-wide screener ranking thousands of stocks. A free single-ticker account precedes a 7-day paid trial.

Best for: Traders wanting an all-in-one volatility and Greeks terminal

• iv analytics
• gamma exposure
• screener
• strategy lab

• Also in
• Options Analytics

Options Trading Toolbox offers nine free tools including an options backtester, screener, AI-matched strategy screener, P&L visualizer and gamma exposure tracker, positioned as a no-cost alternative to a stack of paid subscriptions. Free accounts have daily usage limits such as capped backtests, with an unlimited tier available.

Best for: Cost-conscious traders wanting a free backtester and screener bundle

• backtester
• screener
• gamma exposure
• pnl visualizer

• Also in
• Options Analytics
• Backtesting & Algo

Unusual Whales exposes its options flow, dark pool, Greek exposure, and congressional-trading data through over 100 REST, WebSocket, Kafka and MCP endpoints for developers building custom bots and dashboards. Sign-up is free to browse plans, with a 7-day free trial before billing starts on paid API subscriptions; there is no permanent free tier. Suits developers building options-flow and unusual-activity tools.

Best for: Developers building options-flow and unusual-activity tools

• options flow
• dark pool
• websocket
• mcp server
• congressional trades

• Also in
• Market Data APIs

OptionScout ranks every strategy in an option chain through its scanner, overlays dealer gamma levels and call/put walls on charts, and includes an AI advisor that pulls live data to talk through a setup. A free tier covers live data and limited daily scans, with paper trading built in to test ideas.

Best for: Traders wanting an AI-guided scanner with built-in paper trading

• options scanner
• gamma exposure
• ai advisor
• paper trading

• Also in
• Options Analytics