VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Sunday, October 19, 2025

View ORTEX View SpotGamma Home My Collections

Head-to-head

ORTEX vs SpotGamma comparison

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

Quick takeaways

ORTEX adds Short Interest, Insider Data, Quant, Index Rebalancing, Money Flow, Options, Analyst Recommendations, Analyst Price Targets, News, Calendar, Data APIs, and US Government Trades coverage that SpotGamma skips.

SpotGamma includes Alerts, and Courses & Certs categories that ORTEX omits.

ORTEX highlights: Short interest and lending analytics including utilization, cost to borrow, shares on loan, and percentage of free float on loan, with intraday and real-time estimates from a large pool of lenders and brokers., Official U.S. exchange-reported short interest (bi-monthly) and European flagged shorts, alongside lending-based estimates., and Options coverage with unusual activity and flow detection; OPRA-sourced data gated by user agreement to OPRA terms..

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..

ORTEX has a free tier, while SpotGamma requires a paid plan.

ORTEX ships a mobile app. SpotGamma is web/desktop only.

ORTEX

public.ortex.com

Hands-on review

Analytics platform focused on short interest and securities lending, with additional coverage of options flow, insider trades, analyst views, and index rebalances. Offers a free tier with limited features, plus paid plans (Basic $39/mo, Advanced $129/mo). Options data is sourced from OPRA and requires agreeing to OPRA terms. API access is available with key-based authentication, and an Excel Add-in (beta) supports short interest data.

Platforms

Web

Mobile

API

Pricing

Free

Subscription

Quick highlights

Short interest and lending analytics including utilization, cost to borrow, shares on loan, and percentage of free float on loan, with intraday and real-time estimates from a large pool of lenders and brokers.
Official U.S. exchange-reported short interest (bi-monthly) and European flagged shorts, alongside lending-based estimates.
Options coverage with unusual activity and flow detection; OPRA-sourced data gated by user agreement to OPRA terms.
Alpha trading signals across themes like Short Squeeze, EPS, RSI, MACD, and Company Events, each with back-tested stats and intraday updates.
Configurable stock screener including short-interest columns; results can be exported.

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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 Data Visualizations, Options & Derivatives, and Screeners plus 1 more area.

Where they differ

ORTEX

Distinct strengths include:

Analyst Recommendations

Analyst Price Targets

Short interest and lending analytics including utilization, cost to borrow, shares on loan, and percentage of free float on loan, with intraday and real-time estimates from a large pool of lenders and brokers.
Official U.S. exchange-reported short interest (bi-monthly) and European flagged shorts, alongside lending-based estimates.
Options coverage with unusual activity and flow detection; OPRA-sourced data gated by user agreement to OPRA terms.
Alpha trading signals across themes like Short Squeeze, EPS, RSI, MACD, and Company Events, each with back-tested stats and intraday updates.

SpotGamma

Distinct strengths include:

Alerts

Courses & Certs

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

Attribute	ORTEX	SpotGamma
Categories Which research workflows each platform targets	Shared: Data Visualizations, Options & Derivatives, Screeners, Blogs Unique: Short Interest, Insider Data, Quant, Index Rebalancing, Money Flow, Options, Analyst Recommendations, Analyst Price Targets, News, Calendar, Data APIs, US Government Trades	Shared: Data Visualizations, Options & Derivatives, Screeners, Blogs Unique: Alerts, Courses & Certs
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, Mobile, API	Web
Pricing High-level pricing models	Free, Subscription	Subscription
Key features Core capabilities called out by each vendor	Unique Short interest and lending analytics including utilization, cost to borrow, shares on loan, and percentage of free float on loan, with intraday and real-time estimates from a large pool of lenders and brokers. Official U.S. exchange-reported short interest (bi-monthly) and European flagged shorts, alongside lending-based estimates. Options coverage with unusual activity and flow detection; OPRA-sourced data gated by user agreement to OPRA terms. Alpha trading signals across themes like Short Squeeze, EPS, RSI, MACD, and Company Events, each with back-tested stats and intraday updates. Configurable stock screener including short-interest columns; results can be exported. Live intraday charts with last price and bid/ask displayed.	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	Yes	Not yet
Editor pick Featured inside curated shortlists	Standard listing	Standard listing

Frequently Asked Questions

Which workflows do ORTEX and SpotGamma both support?

Both platforms cover Data Visualizations, Options & Derivatives, Screeners, 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?

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

Which tool has mobile access?

ORTEX ships a dedicated mobile experience, while SpotGamma focuses on web or desktop access.

What unique strengths set the two platforms apart?

ORTEX differentiates itself with Short interest and lending analytics including utilization, cost to borrow, shares on loan, and percentage of free float on loan, with intraday and real-time estimates from a large pool of lenders and brokers., Official U.S. exchange-reported short interest (bi-monthly) and European flagged shorts, alongside lending-based estimates., and Options coverage with unusual activity and flow detection; OPRA-sourced data gated by user agreement to OPRA terms., 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..

Keep exploring

Stay on top of related tools

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