VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Sunday, October 19, 2025

Head-to-head

ETF Action vs SpotGamma comparison

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

Quick takeaways

ETF Action adds ETF Overview, ETF Performance, ETF Holdings, ETF Fundamentals, ETF Valuation, ETF Factors, ETF Overlap, Portfolio, Watchlist, Backtesting, 13F, Data APIs, and Videos coverage that SpotGamma skips.

SpotGamma includes Options & Derivatives, and Courses & Certs categories that ETF Action omits.

ETF Action highlights: Global ETF ‘Channels’ taxonomy with category reports and dashboards (Size & Style US/Global, Region & Country, Sector & Industry, Thematic, Fixed Income, Non‑Traditional, Commodities, Crypto)., Look‑through analytics on fund holdings for factor/style, sector/industry, country, concentration; portfolio overlap analysis across funds or entire models., and Flows & trading dashboards (volumes/ADV); flows noted as T+1 timing in daily updates..

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..

ETF Action has a free tier, while SpotGamma requires a paid plan.

ETF Action logo

ETF Action

etfaction.com

Independent ETF analytics platform for advisors and asset managers. Offers global ETF classification, look‑through holdings analytics, overlap analysis, flows/volumes with T+1 flow timing, live quotes (FMV) via Polygon.io, model portfolio tools, 13F screening (Advisor Pro), and enterprise options including API access. DIY/Advisor Pro plans emphasize self‑service research and Excel/CSV downloads; Enterprise adds collaboration, custom dashboards, and API. A separate Model Builder plan enables model uploads and ‘Bridge’ trading integration. API details are not publicly documented—confirm endpoints and auth with vendor.

Platforms

Web
API

Pricing

Free
Subscription

Quick highlights

  • Global ETF ‘Channels’ taxonomy with category reports and dashboards (Size & Style US/Global, Region & Country, Sector & Industry, Thematic, Fixed Income, Non‑Traditional, Commodities, Crypto).
  • Look‑through analytics on fund holdings for factor/style, sector/industry, country, concentration; portfolio overlap analysis across funds or entire models.
  • Flows & trading dashboards (volumes/ADV); flows noted as T+1 timing in daily updates.
  • Live pricing on platform pages via Polygon.io FMV quotes (real‑time-ish indicative).
  • Screeners for ETFs; watchlists; data exports to Excel/CSV (DIY 50 rows, Advisor Pro 500 rows).

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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

4 overlaps

Mutual strengths include Screeners, Data Visualizations, and Alerts plus 1 more area.

Where they differ

ETF Action

Distinct strengths include:

  • Global ETF ‘Channels’ taxonomy with category reports and dashboards (Size & Style US/Global, Region & Country, Sector & Industry, Thematic, Fixed Income, Non‑Traditional, Commodities, Crypto).
  • Look‑through analytics on fund holdings for factor/style, sector/industry, country, concentration; portfolio overlap analysis across funds or entire models.
  • Flows & trading dashboards (volumes/ADV); flows noted as T+1 timing in daily updates.
  • Live pricing on platform pages via Polygon.io FMV quotes (real‑time-ish indicative).

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

AttributeETF ActionSpotGamma
Categories

Which research workflows each platform targets

Shared: Screeners, Data Visualizations, Alerts, Blogs

Unique: ETF Overview, ETF Performance, ETF Holdings, ETF Fundamentals, ETF Valuation, ETF Factors, ETF Overlap, Portfolio, Watchlist, Backtesting, 13F, Data APIs, Videos

Shared: Screeners, Data Visualizations, Alerts, Blogs

Unique: Options & Derivatives, Courses & Certs

Asset types

Supported asset classes and universes

ETFs, Stocks

Stocks, ETFs, Options

Experience levels

Who each product is built for

Beginner, Intermediate, Advanced

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

  • Global ETF ‘Channels’ taxonomy with category reports and dashboards (Size & Style US/Global, Region & Country, Sector & Industry, Thematic, Fixed Income, Non‑Traditional, Commodities, Crypto).
  • Look‑through analytics on fund holdings for factor/style, sector/industry, country, concentration; portfolio overlap analysis across funds or entire models.
  • Flows & trading dashboards (volumes/ADV); flows noted as T+1 timing in daily updates.
  • Live pricing on platform pages via Polygon.io FMV quotes (real‑time-ish indicative).
  • Screeners for ETFs; watchlists; data exports to Excel/CSV (DIY 50 rows, Advisor Pro 500 rows).
  • Model portfolio creation & back‑testing; private model marketplaces for advisors/strategists.

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 ETF Action and SpotGamma both support?

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

Which tool offers a free plan?

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

How can you access ETF Action and SpotGamma?

Both ETF Action 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?

ETF Action differentiates itself with Global ETF ‘Channels’ taxonomy with category reports and dashboards (Size & Style US/Global, Region & Country, Sector & Industry, Thematic, Fixed Income, Non‑Traditional, Commodities, Crypto)., Look‑through analytics on fund holdings for factor/style, sector/industry, country, concentration; portfolio overlap analysis across funds or entire models., and Flows & trading dashboards (volumes/ADV); flows noted as T+1 timing in daily updates., 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.