FlowAlgo adds Dark Pool & Off-Exchange, and Alerts coverage that GammaWins Calculator skips.
VOL. XCIV, NO. 247
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Friday, December 26, 2025
Tool Comparison
FlowAlgo vs GammaWins Calculator comparison
Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.
Quick takeaways
GammaWins Calculator includes Options P&L, and Data Visualizations categories that FlowAlgo omits.
GammaWins Calculator keeps a free entry point that FlowAlgo lacks.
In depth comparison
FlowAlgo
flowalgo.com
Realtime options order flow with equity block and dark pool data. All plans include the same feature set with monthly, quarterly, or annual billing. Paid trial available for two weeks. Dark pool prints are reported with delays (anywhere from hours to the next day), and equity block data can lag by up to ~20 minutes under exchange rules.
Platforms
Web
Pricing
Subscription
Quick highlights
- Realtime monitoring of options order flow, with unusual activity detection and tracking of Intermarket Sweep Orders and option block trades.
- Equity block and dark pool order data, paired with a dedicated “Dark Pool Insights” module.
- Dark pool data is delayed until officially reported; equity block data may lag ~20 minutes. Options flow itself streams with typical latency of half a second to 15 seconds.
- Alpha AI signals during market hours, flagging predictive momentum shifts and Long/Short/Hedge opportunities.
- Historical database with access back to mid-2017, including prior days’ flow activity.
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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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Where they differ
FlowAlgo
Distinct strengths include:
- Realtime monitoring of options order flow, with unusual activity detection and tracking of Intermarket Sweep Orders and option block trades.
- Equity block and dark pool order data, paired with a dedicated “Dark Pool Insights” module.
- Dark pool data is delayed until officially reported; equity block data may lag ~20 minutes. Options flow itself streams with typical latency of half a second to 15 seconds.
- Alpha AI signals during market hours, flagging predictive momentum shifts and Long/Short/Hedge opportunities.
GammaWins Calculator
Distinct strengths include:
- 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).
Feature-by-feature breakdown
| Attribute | FlowAlgo | GammaWins Calculator |
|---|---|---|
Categories Which research workflows each platform targets | Shared: Options & Derivatives Unique: Dark Pool & Off-Exchange, Alerts | Shared: Options & Derivatives Unique: Options P&L, Data Visualizations |
Asset types Supported asset classes and universes | Stocks, ETFs, Options | Options, Stocks |
Experience levels Who each product is built for | Beginner, Intermediate, Advanced | Intermediate, Advanced |
Platforms Where you can access the product | Web | Web |
Pricing High-level pricing models | Subscription | Free |
Key features Core capabilities called out by each vendor | Unique
| Unique
|
Tested Verified by hands-on testing inside Find My Moat | Not yet | Not yet |
Editor pick Featured inside curated shortlists | Standard listing | Standard listing |
Frequently Asked Questions
Which workflows do FlowAlgo and GammaWins Calculator both support?
Both platforms cover Options & Derivatives workflows, so you can research those use cases in either tool before digging into the feature differences below.
Which tool offers a free plan?
GammaWins Calculator offers a free entry point, while FlowAlgo requires a paid subscription. Review the pricing table to see how the paid tiers compare.
How can you access FlowAlgo and GammaWins Calculator?
Both FlowAlgo and GammaWins Calculator prioritize web or desktop access. Investors wanting a mobile-first workflow may need to rely on responsive web views.
What unique strengths set the two platforms apart?
FlowAlgo differentiates itself with Realtime monitoring of options order flow, with unusual activity detection and tracking of Intermarket Sweep Orders and option block trades., Equity block and dark pool order data, paired with a dedicated “Dark Pool Insights” module., and Dark pool data is delayed until officially reported; equity block data may lag ~20 minutes. Options flow itself streams with typical latency of half a second to 15 seconds., whereas GammaWins Calculator stands out for 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..
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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.