VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Sunday, October 5, 2025

Head-to-head

FINVIZ vs FlowAlgo comparison

Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.

Quick takeaways

FINVIZ adds Screeners, Data Visualizations, Portfolio, Watchlist, Backtesting, News, Data APIs, Financials, ETF Overview, ETF Holdings, Insider Data, 13F, Short Interest, and Options coverage that FlowAlgo skips.

FlowAlgo includes Options & Derivatives, and Dark Pool & Off-Exchange categories that FINVIZ omits.

FINVIZ highlights: Coverage focused on U.S. equities (NYSE, Nasdaq, Amex). Free data delayed 15–20 minutes; Elite adds real-time plus pre- and after-hours trading sessions., Stock screener supports both fundamental and technical filters. Elite expands functionality with 20+ additional filters and raises saved presets from 50 to 200., and Visualization tools include Heat Maps and Groups, with real-time updates for Elite users..

FlowAlgo is known for: Realtime monitoring of options order flow, with unusual activity detection and tracking of Intermarket Sweep Orders and option block trades., Equity block and dark pool order data, paired with a dedicated “Dark Pool Insights” module., and Dark pool data is delayed until officially reported; equity block data may lag ~20 minutes. Options flow itself streams with typical latency of half a second to 15 seconds..

FINVIZ has a free tier, while FlowAlgo requires a paid plan.

FINVIZ

finviz.com

Editor’s pick Hands-on review

A popular stock screener and charting platform best known for its heat maps, visualization tools, and simple interface. The Free tier is ad-supported with delayed U.S. market data, while FINVIZ Elite unlocks real-time quotes (including pre- and after-hours), intraday chart layouts, backtesting, ETF full-holdings, exports and APIs, alerts, and larger portfolio/watchlist limits. Coverage is U.S. equities only. Elite includes a 7-day free trial with no credit card required.

Platforms

Web

API

Pricing

Free

Subscription

Quick highlights

Coverage focused on U.S. equities (NYSE, Nasdaq, Amex). Free data delayed 15–20 minutes; Elite adds real-time plus pre- and after-hours trading sessions.
Stock screener supports both fundamental and technical filters. Elite expands functionality with 20+ additional filters and raises saved presets from 50 to 200.
Visualization tools include Heat Maps and Groups, with real-time updates for Elite users.
Portfolio and watchlist management with email and push alerts for price changes, news, ratings, insider activity, and SEC filings. Elite increases limits to 100 portfolios and 500 tickers per portfolio.
ETF research with full holdings breakdown, plus structural and performance metrics (Elite only).

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FlowAlgo

flowalgo.com

Realtime options order flow with equity block and dark pool data. All plans include the same feature set with monthly, quarterly, or annual billing. Paid trial available for two weeks. Dark pool prints are reported with delays (anywhere from hours to the next day), and equity block data can lag by up to ~20 minutes under exchange rules.

Platforms

Web

Pricing

Subscription

Quick highlights

Realtime monitoring of options order flow, with unusual activity detection and tracking of Intermarket Sweep Orders and option block trades.
Equity block and dark pool order data, paired with a dedicated “Dark Pool Insights” module.
Dark pool data is delayed until officially reported; equity block data may lag ~20 minutes. Options flow itself streams with typical latency of half a second to 15 seconds.
Alpha AI signals during market hours, flagging predictive momentum shifts and Long/Short/Hedge opportunities.
Historical database with access back to mid-2017, including prior days’ flow activity.

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Overlap

Shared focus areas

1 overlap

Both tools cover this research theme.

Alerts

Where they differ

FINVIZ

Distinct strengths include:

Coverage focused on U.S. equities (NYSE, Nasdaq, Amex). Free data delayed 15–20 minutes; Elite adds real-time plus pre- and after-hours trading sessions.
Stock screener supports both fundamental and technical filters. Elite expands functionality with 20+ additional filters and raises saved presets from 50 to 200.
Visualization tools include Heat Maps and Groups, with real-time updates for Elite users.
Portfolio and watchlist management with email and push alerts for price changes, news, ratings, insider activity, and SEC filings. Elite increases limits to 100 portfolios and 500 tickers per portfolio.

FlowAlgo

Distinct strengths include:

Options & Derivatives

Dark Pool & Off-Exchange

Realtime monitoring of options order flow, with unusual activity detection and tracking of Intermarket Sweep Orders and option block trades.
Equity block and dark pool order data, paired with a dedicated “Dark Pool Insights” module.
Dark pool data is delayed until officially reported; equity block data may lag ~20 minutes. Options flow itself streams with typical latency of half a second to 15 seconds.
Alpha AI signals during market hours, flagging predictive momentum shifts and Long/Short/Hedge opportunities.

Feature-by-feature breakdown

Attribute	FINVIZ	FlowAlgo
Categories Which research workflows each platform targets	Shared: Alerts Unique: Screeners, Data Visualizations, Portfolio, Watchlist, Backtesting, News, Data APIs, Financials, ETF Overview, ETF Holdings, Insider Data, 13F, Short Interest, Options	Shared: Alerts Unique: Options & Derivatives, Dark Pool & Off-Exchange
Asset types Supported asset classes and universes	Stocks, ETFs, Options, Futures, Currencies, Cryptos	Stocks, ETFs, Options
Experience levels Who each product is built for	Beginner, Intermediate, Advanced	Beginner, Intermediate, Advanced
Platforms Where you can access the product	Web, API	Web
Pricing High-level pricing models	Free, Subscription	Subscription
Key features Core capabilities called out by each vendor	Unique Coverage focused on U.S. equities (NYSE, Nasdaq, Amex). Free data delayed 15–20 minutes; Elite adds real-time plus pre- and after-hours trading sessions. Stock screener supports both fundamental and technical filters. Elite expands functionality with 20+ additional filters and raises saved presets from 50 to 200. Visualization tools include Heat Maps and Groups, with real-time updates for Elite users. Portfolio and watchlist management with email and push alerts for price changes, news, ratings, insider activity, and SEC filings. Elite increases limits to 100 portfolios and 500 tickers per portfolio. ETF research with full holdings breakdown, plus structural and performance metrics (Elite only). Exports and APIs for Screener, Portfolios, Groups, Options Chains, and News; sample code available for Google Sheets, Python, and JavaScript (Elite).	Unique Realtime monitoring of options order flow, with unusual activity detection and tracking of Intermarket Sweep Orders and option block trades. Equity block and dark pool order data, paired with a dedicated “Dark Pool Insights” module. Dark pool data is delayed until officially reported; equity block data may lag ~20 minutes. Options flow itself streams with typical latency of half a second to 15 seconds. Alpha AI signals during market hours, flagging predictive momentum shifts and Long/Short/Hedge opportunities. Historical database with access back to mid-2017, including prior days’ flow activity. FlowAlgo Levels (“Institutional Zones”), highlighting support and resistance from historical block and dark pool transactions.
Tested Verified by hands-on testing inside Find My Moat	Yes	Not yet
Editor pick Featured inside curated shortlists	Highlighted	Standard listing

Frequently Asked Questions

Which workflows do FINVIZ and FlowAlgo both support?

Both platforms cover Alerts workflows, so you can research those use cases in either tool before digging into the feature differences below.

Which tool offers a free plan?

FINVIZ offers a free entry point, while FlowAlgo requires a paid subscription. Review the pricing table to see how the paid tiers compare.

How can you access FINVIZ and FlowAlgo?

Both FINVIZ and FlowAlgo prioritize web or desktop access. Investors wanting a mobile-first workflow may need to rely on responsive web views.

What unique strengths set the two platforms apart?

FINVIZ differentiates itself with Coverage focused on U.S. equities (NYSE, Nasdaq, Amex). Free data delayed 15–20 minutes; Elite adds real-time plus pre- and after-hours trading sessions., Stock screener supports both fundamental and technical filters. Elite expands functionality with 20+ additional filters and raises saved presets from 50 to 200., and Visualization tools include Heat Maps and Groups, with real-time updates for Elite users., whereas FlowAlgo stands out for Realtime monitoring of options order flow, with unusual activity detection and tracking of Intermarket Sweep Orders and option block trades., Equity block and dark pool order data, paired with a dedicated “Dark Pool Insights” module., and Dark pool data is delayed until officially reported; equity block data may lag ~20 minutes. Options flow itself streams with typical latency of half a second to 15 seconds..

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