VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Saturday, November 1, 2025

Tool Comparison

ORTEX vs Valuesider 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, Data Visualizations, Index Rebalancing, Money Flow, Options & Derivatives, Options, Analyst Recommendations, Analyst Price Targets, Calendar, Data APIs, and US Government Trades coverage that Valuesider skips.

Valuesider includes Institutional Data, 13F, and Investor Holdings categories that ORTEX omits.

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

In depth comparison

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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Valuesider

valuesider.com

Free, 13F‑based ‘super‑investor’ explorer with two screeners (holdings & activity), per‑investor portfolios, per‑ticker ownership/activity pages, and basic news feeds. Exports to CSV/XLS/XLSX; provides embeddable charts. Transparent about 13F caveats (delay, options/bonds coverage limits) and split adjustments; includes direct SEC report links for verification.

Platforms

Web

Pricing

Free

Quick highlights

Super‑investor hub: browse portfolios of well‑known value investors (Buffett, Ackman, Klarman, etc.) with top holdings and recent activity.
Holdings Screener (free): filter by % of grand portfolio, # of gurus, security type, values, and more; export CSV/XLS/XLSX.
Activity Screener (free): filter buys/sells by period (last Q, last 2/4 Qs or latest N reports) and by security type; export CSV/XLS/XLSX.
Per‑ticker ‘Ownership’ & ‘Activity’ pages that aggregate which gurus hold or changed a position.
Embeddable historical ownership charts for tickers (auto‑updating ‘Top holders’ widget).

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Where they differ

ORTEX

Distinct strengths include:

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

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.

Valuesider

Distinct strengths include:

Institutional Data 13F Investor Holdings

Super‑investor hub: browse portfolios of well‑known value investors (Buffett, Ackman, Klarman, etc.) with top holdings and recent activity.
Holdings Screener (free): filter by % of grand portfolio, # of gurus, security type, values, and more; export CSV/XLS/XLSX.
Activity Screener (free): filter buys/sells by period (last Q, last 2/4 Qs or latest N reports) and by security type; export CSV/XLS/XLSX.
Per‑ticker ‘Ownership’ & ‘Activity’ pages that aggregate which gurus hold or changed a position.

Feature-by-feature breakdown

Attribute	ORTEX	Valuesider
Categories Which research workflows each platform targets	Shared: News, Screeners, Blogs Unique: Short Interest, Insider Data, Quant, Data Visualizations, Index Rebalancing, Money Flow, Options & Derivatives, Options, Analyst Recommendations, Analyst Price Targets, Calendar, Data APIs, US Government Trades	Shared: News, Screeners, Blogs Unique: Institutional Data, 13F, Investor Holdings
Asset types Supported asset classes and universes	Stocks, ETFs, Options	Stocks, ETFs
Experience levels Who each product is built for	Beginner, Intermediate, Advanced	Beginner, Intermediate, Advanced
Platforms Where you can access the product	Web, Mobile, API	Web
Pricing High-level pricing models	Free, Subscription	Free
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 Super‑investor hub: browse portfolios of well‑known value investors (Buffett, Ackman, Klarman, etc.) with top holdings and recent activity. Holdings Screener (free): filter by % of grand portfolio, # of gurus, security type, values, and more; export CSV/XLS/XLSX. Activity Screener (free): filter buys/sells by period (last Q, last 2/4 Qs or latest N reports) and by security type; export CSV/XLS/XLSX. Per‑ticker ‘Ownership’ & ‘Activity’ pages that aggregate which gurus hold or changed a position. Embeddable historical ownership charts for tickers (auto‑updating ‘Top holders’ widget). Per‑ticker news pages that consolidate recent headlines.
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 Valuesider both support?

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

Do ORTEX and Valuesider require subscriptions?

Both ORTEX and Valuesider 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 Valuesider 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 Valuesider stands out for Super‑investor hub: browse portfolios of well‑known value investors (Buffett, Ackman, Klarman, etc.) with top holdings and recent activity., Holdings Screener (free): filter by % of grand portfolio, # of gurus, security type, values, and more; export CSV/XLS/XLSX., and Activity Screener (free): filter buys/sells by period (last Q, last 2/4 Qs or latest N reports) and by security type; export CSV/XLS/XLSX..

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