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Friday, December 26, 2025

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Tool Comparison

GammaWins Calculator vs ORTEX comparison

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

Quick takeaways

GammaWins Calculator adds Options P&L coverage that ORTEX skips.

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

ORTEX offers mobile access, which GammaWins Calculator skips.

In depth comparison

GammaWins Calculator

gammawins.com

Web-based options profit calculator focused on payoff + Greeks visualization. Core tools are usable without an account; some account-only features will prompt sign-in. Market data shown in the calculator is currently 15-minute delayed; GammaWins states paid tiers are planned for live data + direct index feeds.

Platforms

Web

Pricing

Free

Quick highlights

Payoff/strategy value visualization over time and underlying price, with optional Greeks overlays.
Built-in templates for common options strategies (single-leg, spreads, volatility, and complex multi-leg strategies) and supports building custom multi-leg strategies.
Supports US equity and equity-index options plus Danish/Swedish/Norwegian equity and index options listed on Nasdaq Nordic.
Options quotes are sourced via OPRA (calculator currently displays 15-minute delayed data for options and stock prices).
Modeling: uses Black-Scholes for European options (mainly index options) and stock calls, and Bjerksund-Stensland for American puts.

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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

GammaWins Calculator

Distinct strengths include:

Options P&L

Payoff/strategy value visualization over time and underlying price, with optional Greeks overlays.
Built-in templates for common options strategies (single-leg, spreads, volatility, and complex multi-leg strategies) and supports building custom multi-leg strategies.
Supports US equity and equity-index options plus Danish/Swedish/Norwegian equity and index options listed on Nasdaq Nordic.
Options quotes are sourced via OPRA (calculator currently displays 15-minute delayed data for options and stock prices).

ORTEX

Distinct strengths include:

Short Interest Insider Data Quant Index Rebalancing Money Flow Options 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.

Feature-by-feature breakdown

Attribute	GammaWins Calculator	ORTEX
Categories Which research workflows each platform targets	Shared: Options & Derivatives, Data Visualizations Unique: Options P&L	Shared: Options & Derivatives, Data Visualizations Unique: Short Interest, Insider Data, Quant, Index Rebalancing, Money Flow, Options, Analyst Recommendations, Analyst Price Targets, News, Calendar, Data APIs, US Government Trades, Screeners, Blogs
Asset types Supported asset classes and universes	Options, Stocks	Stocks, ETFs, Options
Experience levels Who each product is built for	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 Payoff/strategy value visualization over time and underlying price, with optional Greeks overlays. Built-in templates for common options strategies (single-leg, spreads, volatility, and complex multi-leg strategies) and supports building custom multi-leg strategies. Supports US equity and equity-index options plus Danish/Swedish/Norwegian equity and index options listed on Nasdaq Nordic. Options quotes are sourced via OPRA (calculator currently displays 15-minute delayed data for options and stock prices). Modeling: uses Black-Scholes for European options (mainly index options) and stock calls, and Bjerksund-Stensland for American puts. Dividend handling currently assumes a constant dividend rate based on recent payout history; a more advanced dividend model using exact ex-dividend dates / finite-difference is described as part of an upcoming paid plan.	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 GammaWins Calculator and ORTEX both support?

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

Do GammaWins Calculator and ORTEX require subscriptions?

Both GammaWins Calculator 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 GammaWins Calculator focuses on web or desktop access.

What unique strengths set the two platforms apart?

GammaWins Calculator differentiates itself with Payoff/strategy value visualization over time and underlying price, with optional Greeks overlays., Built-in templates for common options strategies (single-leg, spreads, volatility, and complex multi-leg strategies) and supports building custom multi-leg strategies., and Supports US equity and equity-index options plus Danish/Swedish/Norwegian equity and index options listed on Nasdaq Nordic., 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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