VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Thursday, December 4, 2025

Tool Comparison

Alpha Vantage vs FlowAlgo comparison

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

Quick takeaways

Alpha Vantage adds Data APIs, News, News Sentiment, Calendar, Dividends, Splits, IPO, Delisted, Inflation Rates, Unemployment Rates, GDP, Interest Rates, ETF Holdings, Transcripts, Insider Data, APIs & SDKs, and Sheets / Excel Add-ins coverage that FlowAlgo skips.

FlowAlgo includes Dark Pool & Off-Exchange, and Alerts categories that Alpha Vantage omits.

Alpha Vantage has a free tier, while FlowAlgo requires a paid plan.

In depth comparison

Alpha Vantage

alphavantage.co

Hands-on review

REST APIs delivering global market data in JSON and CSV. The free tier allows 25 requests per day, while premium plans remove limits and unlock real-time and 15-minute delayed US equities plus real-time US options. Entitlements and account management are handled through the Alpha X Terminal.

Platforms

WebAPI

Pricing

FreeSubscription

Quick highlights

Equity time series for global stocks (intraday down to 1-minute, plus daily/weekly/monthly) with 20+ years of history, including pre- and post-market support and adjustment toggles for splits and dividends.
US options coverage with real-time and historical data spanning over 15 years, including optional greeks and implied volatility outputs in JSON or CSV.
Fundamentals and corporate actions such as company overviews, financials, dividends, splits, plus ETF profiles and holdings.
Corporate calendars: earnings announcements, IPO schedules, listings, and delisting status.
Alpha Intelligence datasets with market news and sentiment, earnings call transcripts, insider transactions, and daily gainers/losers.

Community votes (overall)

0% upvotes 0% downvotes

You haven't voted yet

View full profile Visit site

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.

Community votes (overall)

0% upvotes 0% downvotes

You haven't voted yet

View full profile Visit site

Where they differ

Alpha Vantage

Distinct strengths include:

Data APIs News News Sentiment Calendar Dividends Splits IPO Delisted

Equity time series for global stocks (intraday down to 1-minute, plus daily/weekly/monthly) with 20+ years of history, including pre- and post-market support and adjustment toggles for splits and dividends.
US options coverage with real-time and historical data spanning over 15 years, including optional greeks and implied volatility outputs in JSON or CSV.
Fundamentals and corporate actions such as company overviews, financials, dividends, splits, plus ETF profiles and holdings.
Corporate calendars: earnings announcements, IPO schedules, listings, and delisting status.

FlowAlgo

Distinct strengths include:

Dark Pool & Off-Exchange Alerts

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	Alpha Vantage	FlowAlgo
Categories Which research workflows each platform targets	Shared: Options & Derivatives Unique: Data APIs, News, News Sentiment, Calendar, Dividends, Splits, IPO, Delisted, Inflation Rates, Unemployment Rates, GDP, Interest Rates, ETF Holdings, Transcripts, Insider Data, APIs & SDKs, Sheets / Excel Add-ins	Shared: Options & Derivatives Unique: Dark Pool & Off-Exchange, Alerts
Asset types Supported asset classes and universes	Stocks, ETFs, Options, Currencies, Cryptos, Commodities, Mutual Funds	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 Equity time series for global stocks (intraday down to 1-minute, plus daily/weekly/monthly) with 20+ years of history, including pre- and post-market support and adjustment toggles for splits and dividends. US options coverage with real-time and historical data spanning over 15 years, including optional greeks and implied volatility outputs in JSON or CSV. Fundamentals and corporate actions such as company overviews, financials, dividends, splits, plus ETF profiles and holdings. Corporate calendars: earnings announcements, IPO schedules, listings, and delisting status. Alpha Intelligence datasets with market news and sentiment, earnings call transcripts, insider transactions, and daily gainers/losers. Coverage across FX and crypto exchange rates (including intraday), commodities (oil, metals, agriculture), and US macro indicators like GDP, CPI, interest rates, and unemployment.	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	Standard listing	Standard listing

Frequently Asked Questions

Which workflows do Alpha Vantage and FlowAlgo both support?

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

Which tool offers a free plan?

Alpha Vantage 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 Alpha Vantage and FlowAlgo?

Both Alpha Vantage 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?

Alpha Vantage differentiates itself with Equity time series for global stocks (intraday down to 1-minute, plus daily/weekly/monthly) with 20+ years of history, including pre- and post-market support and adjustment toggles for splits and dividends., US options coverage with real-time and historical data spanning over 15 years, including optional greeks and implied volatility outputs in JSON or CSV., and Fundamentals and corporate actions such as company overviews, financials, dividends, splits, plus ETF profiles and holdings., 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..

Keep exploring

Stay on top of related tools

Browse the categories and profiles that overlap most with this comparison to round out your shortlist.