VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Sunday, October 19, 2025

Head-to-head

FlowAlgo vs SpotGamma comparison

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

Quick takeaways

FlowAlgo adds Dark Pool & Off-Exchange coverage that SpotGamma skips.

SpotGamma includes Screeners, Data Visualizations, Courses & Certs, and Blogs categories that FlowAlgo omits.

FlowAlgo 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., 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..

SpotGamma is known for: HIRO Indicator: see options activity and estimated hedging impact in real time—down to the second., Equity Hub: proprietary key levels, buy/sell indicators, and alerts across 3,500+ stocks & indices., and Volatility Dashboard: analyze IV across strikes/expirations; identify extremes/mispricing..

FlowAlgo logo

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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SpotGamma logo

SpotGamma

spotgamma.com

Options‑market microstructure & dealer‑positioning analytics. Core modules: Equity Hub (key levels for 3,500+ US stocks/ETFs), HIRO real‑time options‑flow indicator (down‑to‑the‑second), an S&P 500 heatmap (TRACE), a Volatility Dashboard, FlowPatrol unusual flow insights, plus Compass & Scanners for setups. Widely used by intraday/index traders; integrates with TradingView, Bookmap, NinjaTrader, Sierra Chart, Thinkorswim, and more. No public API disclosed.

Platforms

Web

Pricing

Subscription

Quick highlights

  • HIRO Indicator: see options activity and estimated hedging impact in real time—down to the second.
  • Equity Hub: proprietary key levels, buy/sell indicators, and alerts across 3,500+ stocks & indices.
  • Volatility Dashboard: analyze IV across strikes/expirations; identify extremes/mispricing.
  • TRACE Heatmap: S&P 500 real‑time support/resistance & volatility zones.
  • 0DTE volume/open‑interest indicator; delta, vanna & gamma modeling for indices.

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Overlap

Shared focus areas

2 overlaps

Mutual strengths include Options & Derivatives, and Alerts.

Where they differ

FlowAlgo

Distinct strengths include:

  • 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.

SpotGamma

Distinct strengths include:

  • HIRO Indicator: see options activity and estimated hedging impact in real time—down to the second.
  • Equity Hub: proprietary key levels, buy/sell indicators, and alerts across 3,500+ stocks & indices.
  • Volatility Dashboard: analyze IV across strikes/expirations; identify extremes/mispricing.
  • TRACE Heatmap: S&P 500 real‑time support/resistance & volatility zones.

Feature-by-feature breakdown

AttributeFlowAlgoSpotGamma
Categories

Which research workflows each platform targets

Shared: Options & Derivatives, Alerts

Unique: Dark Pool & Off-Exchange

Shared: Options & Derivatives, Alerts

Unique: Screeners, Data Visualizations, Courses & Certs, Blogs

Asset types

Supported asset classes and universes

Stocks, ETFs, Options

Stocks, ETFs, Options

Experience levels

Who each product is built for

Beginner, Intermediate, Advanced

Intermediate, Advanced

Platforms

Where you can access the product

Web

Web

Pricing

High-level pricing models

Subscription

Subscription

Key features

Core capabilities called out by each vendor

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.

Unique

  • HIRO Indicator: see options activity and estimated hedging impact in real time—down to the second.
  • Equity Hub: proprietary key levels, buy/sell indicators, and alerts across 3,500+ stocks & indices.
  • Volatility Dashboard: analyze IV across strikes/expirations; identify extremes/mispricing.
  • TRACE Heatmap: S&P 500 real‑time support/resistance & volatility zones.
  • 0DTE volume/open‑interest indicator; delta, vanna & gamma modeling for indices.
  • Compass & Scanners: directional + volatility signals; daily names‑to‑watch.
Tested

Verified by hands-on testing inside Find My Moat

Not yet

Not yet

Editor pick

Featured inside curated shortlists

Standard listing

Standard listing

Frequently Asked Questions

Which workflows do FlowAlgo and SpotGamma both support?

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

Do FlowAlgo and SpotGamma require subscriptions?

Neither platform maintains a free tier. Budget for a subscription to unlock the research coverage highlighted in this comparison.

How can you access FlowAlgo and SpotGamma?

Both FlowAlgo and SpotGamma 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?

FlowAlgo differentiates itself with 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., whereas SpotGamma stands out for HIRO Indicator: see options activity and estimated hedging impact in real time—down to the second., Equity Hub: proprietary key levels, buy/sell indicators, and alerts across 3,500+ stocks & indices., and Volatility Dashboard: analyze IV across strikes/expirations; identify extremes/mispricing..

Curation & Accuracy

This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).

Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.