VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Tuesday, November 11, 2025

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Tool Comparison

ORTEX vs Portfolio123 comparison

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

Quick takeaways

ORTEX adds Short Interest, Insider Data, Index Rebalancing, Money Flow, Options & Derivatives, Options, Analyst Recommendations, Analyst Price Targets, News, US Government Trades, and Blogs coverage that Portfolio123 skips.

Portfolio123 includes Backtesting, Portfolio, Correlation, APIs & SDKs, and Broker Connectors categories that ORTEX omits.

ORTEX ships a mobile app. Portfolio123 is web/desktop only.

In depth comparison

ORTEX logo

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.

Community votes (overall)

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Portfolio123 logo

Portfolio123

portfolio123.com

Editor’s pick Hands-on review

Quant research and live-deployment platform with point-in-time fundamentals and estimates. Users can screen, backtest, and simulate strategies, then deploy them live with broker integrations. Supports API access and a no-code desktop DataMiner. FactSet or S&P Compustat licenses are required for full historical fundamentals.

Platforms

WebDesktopAPI

Pricing

FreeSubscription

Quick highlights

  • Build custom multi-factor ranking systems and rank stocks by universe, sector, or industry.
  • Spreadsheet-style screening with formulas (including Piotroski F-Score) across current and historical data.
  • Backtesting with realistic assumptions for slippage, commissions, buy/sell rules, position sizing, and hedging.
  • ‘Books’ feature to combine multiple strategies and view correlations between them.
  • Point-in-time fundamentals, estimates, and corporate actions with dividends handled on ex/pay dates (no survivorship bias or look-ahead).

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Where they differ

ORTEX

Distinct strengths include:

Short InterestInsider DataIndex RebalancingMoney FlowOptions & DerivativesOptionsAnalyst RecommendationsAnalyst 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.

Portfolio123

Distinct strengths include:

BacktestingPortfolioCorrelationAPIs & SDKsBroker Connectors
  • Build custom multi-factor ranking systems and rank stocks by universe, sector, or industry.
  • Spreadsheet-style screening with formulas (including Piotroski F-Score) across current and historical data.
  • Backtesting with realistic assumptions for slippage, commissions, buy/sell rules, position sizing, and hedging.
  • ‘Books’ feature to combine multiple strategies and view correlations between them.

Feature-by-feature breakdown

AttributeORTEXPortfolio123
Categories

Which research workflows each platform targets

Shared: Quant, Data Visualizations, Calendar, Data APIs, Screeners

Unique: Short Interest, Insider Data, Index Rebalancing, Money Flow, Options & Derivatives, Options, Analyst Recommendations, Analyst Price Targets, News, US Government Trades, Blogs

Shared: Quant, Data Visualizations, Calendar, Data APIs, Screeners

Unique: Backtesting, Portfolio, Correlation, APIs & SDKs, Broker Connectors

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, Desktop, API

Pricing

High-level pricing models

Free, Subscription

Free, 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

  • Build custom multi-factor ranking systems and rank stocks by universe, sector, or industry.
  • Spreadsheet-style screening with formulas (including Piotroski F-Score) across current and historical data.
  • Backtesting with realistic assumptions for slippage, commissions, buy/sell rules, position sizing, and hedging.
  • ‘Books’ feature to combine multiple strategies and view correlations between them.
  • Point-in-time fundamentals, estimates, and corporate actions with dividends handled on ex/pay dates (no survivorship bias or look-ahead).
  • Coverage of 15,000+ equities in the U.S., Canada, and Europe, including delisted stocks and spinoffs.
Tested

Verified by hands-on testing inside Find My Moat

Yes

Yes

Editor pick

Featured inside curated shortlists

Standard listing

Highlighted

Frequently Asked Questions

Which workflows do ORTEX and Portfolio123 both support?

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

Do ORTEX and Portfolio123 require subscriptions?

Both ORTEX and Portfolio123 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 Portfolio123 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 Portfolio123 stands out for Build custom multi-factor ranking systems and rank stocks by universe, sector, or industry., Spreadsheet-style screening with formulas (including Piotroski F-Score) across current and historical data., and Backtesting with realistic assumptions for slippage, commissions, buy/sell rules, position sizing, and hedging..

Keep exploring

Keep exploring

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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.