VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Tuesday, November 11, 2025

Tool Comparison

Interactive Brokers vs Reflexivity comparison

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

Quick takeaways

Interactive Brokers adds Brokerage, Paper Trading, Advanced Order Types, Smart/Direct Routing, Order Book / Level II, Watchlist, Risk Metrics (VaR/ES/Drawdown), and Options & Derivatives coverage that Reflexivity skips.

Reflexivity includes Screeners, Quant, Backtesting, Alerts, News, Transcripts, AI, AI Chat, and AI Report categories that Interactive Brokers omits.

Interactive Brokers ships a mobile app. Reflexivity is web/desktop only.

In depth comparison

Interactive Brokers

interactivebrokers.co.uk

Editor’s pick Hands-on review

A global, multi-asset direct-access broker with coverage across 160 markets in 36 countries and 28 currencies. Crypto trading and some services vary by region (IBKR Crypto is powered by Paxos or Zero Hash where supported). Client APIs include the Client Portal Web API and TWS API; retail users authenticate via the local Client Portal Gateway, while OAuth2 applies to approved web integrations.

Platforms

WebMobileDesktopAPI

Pricing

Other

Quick highlights

Single universal account providing access to around 160 markets across 36 countries and 28 currencies.
More than 100 order types and algos, including Bracket, OCO, and OCA, with either SMART routing or direct exchange routing.
Market depth (Level II) and full order book views via Trader Workstation (TWS).
Advanced options analytics with Greeks, implied volatility curves, and a 3D volatility surface viewer.
Risk Navigator for real-time portfolio risk, Value-at-Risk, and what-if scenario analysis.

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Reflexivity

reflexivity.com

Reflexivity is a sales-led enterprise platform (annual subscription) designed for institutions. Deep Research features are still in beta and not enabled for all accounts. All listed data sources (S&P Global, Refinitiv, Nasdaq, Cboe, etc.) are included out of the box—no separate contracts required.

Platforms

WebAPI

Pricing

Subscription

Quick highlights

Institutional-grade AI research environment with verified data from S&P Global, Refinitiv Datastream, Nasdaq, and Cboe—all included without the need for separate data contracts.
Deep Research agent that can write and execute Python, run backtests, generate Excel models, export code and data, and produce publication-ready reports.
Document Intelligence to search and extract from SEC filings, transcripts, presentations, and central bank documents; includes OCR for charts and tables and custom ingestion for proprietary docs.
Portfolio Insights delivers real-time alerts, risk/exposure analytics, and performance attribution. Portfolios can be replicated via manual entry or file upload. The system produces over 1,500 daily insights spanning 40k+ assets, 250+ indicators, and 20 years of history.
Scenario Analysis allows backtesting and stress testing with 50+ years of historical market data. Users can model custom scenarios and view results in real time.

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Where they differ

Interactive Brokers

Distinct strengths include:

Brokerage Paper Trading Advanced Order Types Smart/Direct Routing Order Book / Level II Watchlist Risk Metrics (VaR/ES/Drawdown)Options & Derivatives

Single universal account providing access to around 160 markets across 36 countries and 28 currencies.
More than 100 order types and algos, including Bracket, OCO, and OCA, with either SMART routing or direct exchange routing.
Market depth (Level II) and full order book views via Trader Workstation (TWS).
Advanced options analytics with Greeks, implied volatility curves, and a 3D volatility surface viewer.

Reflexivity

Distinct strengths include:

Screeners Quant Backtesting Alerts News Transcripts AI AI Chat

Institutional-grade AI research environment with verified data from S&P Global, Refinitiv Datastream, Nasdaq, and Cboe—all included without the need for separate data contracts.
Deep Research agent that can write and execute Python, run backtests, generate Excel models, export code and data, and produce publication-ready reports.
Document Intelligence to search and extract from SEC filings, transcripts, presentations, and central bank documents; includes OCR for charts and tables and custom ingestion for proprietary docs.
Portfolio Insights delivers real-time alerts, risk/exposure analytics, and performance attribution. Portfolios can be replicated via manual entry or file upload. The system produces over 1,500 daily insights spanning 40k+ assets, 250+ indicators, and 20 years of history.

Feature-by-feature breakdown

Attribute	Interactive Brokers	Reflexivity
Categories Which research workflows each platform targets	Shared: APIs & SDKs, Data APIs, Portfolio, Scenario & Stress Tests, Performance Attribution Unique: Brokerage, Paper Trading, Advanced Order Types, Smart/Direct Routing, Order Book / Level II, Watchlist, Risk Metrics (VaR/ES/Drawdown), Options & Derivatives	Shared: APIs & SDKs, Data APIs, Portfolio, Scenario & Stress Tests, Performance Attribution Unique: Screeners, Quant, Backtesting, Alerts, News, Transcripts, AI, AI Chat, AI Report
Asset types Supported asset classes and universes	Stocks, ETFs, Options, Futures, Bonds, Mutual Funds, Currencies, Commodities, Cryptos	Stocks, ETFs, Bonds, Commodities, Currencies
Experience levels Who each product is built for	Beginner, Intermediate, Advanced	Intermediate, Advanced
Platforms Where you can access the product	Web, Mobile, Desktop, API	Web, API
Pricing High-level pricing models	Other	Subscription
Key features Core capabilities called out by each vendor	Unique Single universal account providing access to around 160 markets across 36 countries and 28 currencies. More than 100 order types and algos, including Bracket, OCO, and OCA, with either SMART routing or direct exchange routing. Market depth (Level II) and full order book views via Trader Workstation (TWS). Advanced options analytics with Greeks, implied volatility curves, and a 3D volatility surface viewer. Risk Navigator for real-time portfolio risk, Value-at-Risk, and what-if scenario analysis. Portfolio Rebalancer tool to realign or target allocation weights across accounts.	Unique Institutional-grade AI research environment with verified data from S&P Global, Refinitiv Datastream, Nasdaq, and Cboe—all included without the need for separate data contracts. Deep Research agent that can write and execute Python, run backtests, generate Excel models, export code and data, and produce publication-ready reports. Document Intelligence to search and extract from SEC filings, transcripts, presentations, and central bank documents; includes OCR for charts and tables and custom ingestion for proprietary docs. Portfolio Insights delivers real-time alerts, risk/exposure analytics, and performance attribution. Portfolios can be replicated via manual entry or file upload. The system produces over 1,500 daily insights spanning 40k+ assets, 250+ indicators, and 20 years of history. Scenario Analysis allows backtesting and stress testing with 50+ years of historical market data. Users can model custom scenarios and view results in real time. Smart Screening across 40k+ global securities with thematic, fundamental, technical, and ESG filters, plus unique criteria like insider trades, government trades, and management changes.
Tested Verified by hands-on testing inside Find My Moat	Yes	Not yet
Editor pick Featured inside curated shortlists	Highlighted	Standard listing

Frequently Asked Questions

Which workflows do Interactive Brokers and Reflexivity both support?

Both platforms cover APIs & SDKs, Data APIs, Portfolio, Scenario & Stress Tests, and Performance Attribution workflows, so you can research those use cases in either tool before digging into the feature differences below.

Do Interactive Brokers and Reflexivity require subscriptions?

Neither platform maintains a free tier. Budget for a subscription to unlock the research coverage highlighted in this comparison.

Which tool has mobile access?

Interactive Brokers ships a dedicated mobile experience, while Reflexivity focuses on web or desktop access.

What unique strengths set the two platforms apart?

Interactive Brokers differentiates itself with Single universal account providing access to around 160 markets across 36 countries and 28 currencies., More than 100 order types and algos, including Bracket, OCO, and OCA, with either SMART routing or direct exchange routing., and Market depth (Level II) and full order book views via Trader Workstation (TWS)., whereas Reflexivity stands out for Institutional-grade AI research environment with verified data from S&P Global, Refinitiv Datastream, Nasdaq, and Cboe—all included without the need for separate data contracts., Deep Research agent that can write and execute Python, run backtests, generate Excel models, export code and data, and produce publication-ready reports., and Document Intelligence to search and extract from SEC filings, transcripts, presentations, and central bank documents; includes OCR for charts and tables and custom ingestion for proprietary docs..

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