VOL. XCIV, NO. 247

★ A CURATED DIRECTORY OF FINANCIAL TOOLS ★

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Friday, December 12, 2025

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Tool Comparison

Insider Monitor vs ORTEX comparison

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

Quick takeaways

Insider Monitor adds Regulatory Filings Monitoring coverage that ORTEX skips.

ORTEX includes Short Interest, Quant, Data Visualizations, Index Rebalancing, Money Flow, Options & Derivatives, Options, Analyst Recommendations, Analyst Price Targets, News, Calendar, Data APIs, US Government Trades, Screeners, and Blogs categories that Insider Monitor omits.

ORTEX offers mobile access, which Insider Monitor skips.

In depth comparison

Insider Monitor

insider-monitor.com

Free, U.S.-focused insider‑trading tracker centered on SEC Forms 3/4/5. Provides near‑real‑time (‘minutes or seconds’ after filing) feeds of insider purchases/sales, weekly/monthly Top‑10 lists, and “officer cluster buys” over the past two weeks. Includes company and trader pages with CIK cross‑references and direct links to the SEC for each transaction. No login, alerts, or API are advertised; this is a lightweight, public reference site.

Platforms

Web

Pricing

Free

Quick highlights

Real‑time insider tape: lists purchases (or buys & sales) with filing time stamps and SEC links; updated live throughout the day.
Officer Cluster Buys: highlights tickers bought by multiple corporate officers in the last two weeks.
Top‑10 lists: weekly and monthly leaderboards of the largest insider purchases.
Industry lens: aggregates Form 4 filing counts by high‑level industry divisions since 2020.
Company & trader dossiers: symbol/issuer pages and insider pages with year/month summaries and per‑trade details, including CIK references and SEC source links.

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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

WebMobileAPI

Pricing

FreeSubscription

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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Where they differ

Insider Monitor

Distinct strengths include:

Regulatory Filings Monitoring

Real‑time insider tape: lists purchases (or buys & sales) with filing time stamps and SEC links; updated live throughout the day.
Officer Cluster Buys: highlights tickers bought by multiple corporate officers in the last two weeks.
Top‑10 lists: weekly and monthly leaderboards of the largest insider purchases.
Industry lens: aggregates Form 4 filing counts by high‑level industry divisions since 2020.

ORTEX

Distinct strengths include:

Short Interest Quant Data Visualizations Index Rebalancing Money Flow Options & Derivatives Options Analyst Recommendations

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.

Feature-by-feature breakdown

Attribute	Insider Monitor	ORTEX
Categories Which research workflows each platform targets	Shared: Insider Data Unique: Regulatory Filings Monitoring	Shared: Insider Data Unique: Short Interest, Quant, Data Visualizations, Index Rebalancing, Money Flow, Options & Derivatives, Options, Analyst Recommendations, Analyst Price Targets, News, Calendar, Data APIs, US Government Trades, Screeners, Blogs
Asset types Supported asset classes and universes	Stocks, Closed-End 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	Web, Mobile, API
Pricing High-level pricing models	Free	Free, Subscription
Key features Core capabilities called out by each vendor	Unique Real‑time insider tape: lists purchases (or buys & sales) with filing time stamps and SEC links; updated live throughout the day. Officer Cluster Buys: highlights tickers bought by multiple corporate officers in the last two weeks. Top‑10 lists: weekly and monthly leaderboards of the largest insider purchases. Industry lens: aggregates Form 4 filing counts by high‑level industry divisions since 2020. Company & trader dossiers: symbol/issuer pages and insider pages with year/month summaries and per‑trade details, including CIK references and SEC source links.	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.
Tested Verified by hands-on testing inside Find My Moat	Not yet	Yes
Editor pick Featured inside curated shortlists	Standard listing	Standard listing

Frequently Asked Questions

Which workflows do Insider Monitor and ORTEX both support?

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

Do Insider Monitor and ORTEX require subscriptions?

Both Insider Monitor and ORTEX keep freemium access with optional paid upgrades, so you can trial each platform before committing.

Which tool has mobile access?

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

What unique strengths set the two platforms apart?

Insider Monitor differentiates itself with Real‑time insider tape: lists purchases (or buys & sales) with filing time stamps and SEC links; updated live throughout the day., Officer Cluster Buys: highlights tickers bought by multiple corporate officers in the last two weeks., and Top‑10 lists: weekly and monthly leaderboards of the largest insider purchases., whereas ORTEX stands out for 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..

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