VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Monday, November 10, 2025

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Tool Comparison

FlowAlgo vs Options Profit Calculator comparison

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

Quick takeaways

FlowAlgo adds Dark Pool & Off-Exchange, and Alerts coverage that Options Profit Calculator skips.

Options Profit Calculator includes Options P&L, and Backtesting categories that FlowAlgo omits.

Options Profit 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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Options Profit Calculator

optionsprofitcalculator.com

Free web-based toolkit for visualizing options strategies and profit/loss scenarios. Quotes are delayed 15–30 minutes. A paid membership adds advanced calculators, a backtester with 20+ years of data, and an ad-free experience. Real-time data is listed as “coming soon.”

Platforms

Web

Pricing

FreeSubscription

Quick highlights

Strategy calculators for basic, spread, and advanced option structures, including multi-leg setups (2–8 legs).
ROI tables show profit/loss across both price and time, with line charts that can include stock performance comparisons.
Option Finder scans liquid contracts and suggests optimal calls, puts, or spreads by target price/date, using implied volatility derived from mid/last prices.
Pricing based on Black–Scholes, with IV computed from option and underlying prices. Quotes delayed ~15–30 minutes; daily estimates use market-open snapshots.
Probability of Profit (PoP) uses a normative distribution based on 30-day IV rather than delta.

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Where they differ

FlowAlgo

Distinct strengths include:

Dark Pool & Off-Exchange Alerts

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.

Options Profit Calculator

Distinct strengths include:

Options P&L Backtesting

Strategy calculators for basic, spread, and advanced option structures, including multi-leg setups (2–8 legs).
ROI tables show profit/loss across both price and time, with line charts that can include stock performance comparisons.
Option Finder scans liquid contracts and suggests optimal calls, puts, or spreads by target price/date, using implied volatility derived from mid/last prices.
Pricing based on Black–Scholes, with IV computed from option and underlying prices. Quotes delayed ~15–30 minutes; daily estimates use market-open snapshots.

Feature-by-feature breakdown

Attribute	FlowAlgo	Options Profit Calculator
Categories Which research workflows each platform targets	Shared: Options & Derivatives Unique: Dark Pool & Off-Exchange, Alerts	Shared: Options & Derivatives Unique: Options P&L, Backtesting
Asset types Supported asset classes and universes	Stocks, ETFs, Options	Options
Experience levels Who each product is built for	Beginner, Intermediate, Advanced	Beginner, Intermediate, Advanced
Platforms Where you can access the product	Web	Web
Pricing High-level pricing models	Subscription	Free, Subscription
Key features Core capabilities called out by each vendor	Unique 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. FlowAlgo Levels (“Institutional Zones”), highlighting support and resistance from historical block and dark pool transactions.	Unique Strategy calculators for basic, spread, and advanced option structures, including multi-leg setups (2–8 legs). ROI tables show profit/loss across both price and time, with line charts that can include stock performance comparisons. Option Finder scans liquid contracts and suggests optimal calls, puts, or spreads by target price/date, using implied volatility derived from mid/last prices. Pricing based on Black–Scholes, with IV computed from option and underlying prices. Quotes delayed ~15–30 minutes; daily estimates use market-open snapshots. Probability of Profit (PoP) uses a normative distribution based on 30-day IV rather than delta. Support for Canadian markets via the Montréal Exchange (append “.to” to tickers).
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 Options Profit 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?

Options Profit 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 Options Profit Calculator?

Both FlowAlgo and Options Profit 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 Options Profit Calculator stands out for Strategy calculators for basic, spread, and advanced option structures, including multi-leg setups (2–8 legs)., ROI tables show profit/loss across both price and time, with line charts that can include stock performance comparisons., and Option Finder scans liquid contracts and suggests optimal calls, puts, or spreads by target price/date, using implied volatility derived from mid/last prices..

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