VOL. XCIV, NO. 247

★ A CURATED DIRECTORY OF FINANCIAL TOOLS AND RESOURCES ★

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Friday, December 26, 2025

Tool Comparison

Relative Rotation Graphs® (RRG Research) vs Tiingo comparison

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

Quick takeaways

Relative Rotation Graphs® (RRG Research) adds Data Visualizations, and Stock Comparison coverage that Tiingo skips.

Tiingo includes News, Dividends, and Splits categories that Relative Rotation Graphs® (RRG Research) omits.

Tiingo keeps a free entry point that Relative Rotation Graphs® (RRG Research) lacks.

In depth comparison

Relative Rotation Graphs® (RRG Research) logo

Relative Rotation Graphs® (RRG Research)

relativerotationgraphs.com

RRG Research (creator/owner of Relative Rotation Graphs®) offers: (1) **RRG Online** - a lightweight, subscription-based web app with pre-defined universes and limited functionality (includes a one-month free trial; pricing starts from $10/month); and (2) **RRG API** - a bespoke/contact-priced service to embed RRGs into professional workflows using client-supplied data (XML in -> JSON out).

Platforms

WebAPI

Pricing

SubscriptionOther

Quick highlights

  • Relative Rotation Graphs® (RRGs®) visualize trends in relative strength/performance of multiple securities in a universe versus a common benchmark (and each other).
  • RRGs are described by the vendor as applicable across asset classes (e.g., stock indexes, stock sectors, individual stocks, bonds, (crypto)-currencies, and asset allocation).
  • RRG Online: vendor-run web implementation built in cooperation with Optuma, positioned as a "lightweight" version with limited functionality and pre-defined universes.
  • RRG Online universes/benchmarks (examples listed by the vendor) include S&P 500 sectors vs S&P 500, AEX stocks vs AEX, ASX sectors vs ASX, Euro STOXX 50 stocks vs Euro STOXX 50, STOXX European sectors vs STOXX 600, Jakarta IDX stocks vs IDX, crypto vs BTC/USD, and G10 FX/currency pairs.
  • RRG Online interaction features include toggling securities on/off, setting trail length, zooming/dragging, snapping axes, and playing/animating historical rotation via a slider or play button.

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Tiingo logo

Tiingo

tiingo.com

Flat-rate market data platform with simple, transparent plans. Tiingo provides end-of-day and real-time APIs for equities, mutual funds, ETFs, forex, and crypto, alongside corporate actions, fundamentals, and news. Plans range from a free Starter tier to affordable paid subscriptions, with usage limits and data history varying by plan. Enterprise or commercial use is supported via higher tiers.

Platforms

WebAPI

Pricing

FreeSubscription

Quick highlights

  • End-of-day (EOD) price API with proprietary error-checking and broad historical coverage.
  • Coverage spans 65,000+ US stocks, ETFs, mutual funds, ADRs, plus Chinese equities with 50+ years of history.
  • Corporate actions API for dividends and splits, including both historical and announced events.
  • IEX real-time equity feed with tick-level data via REST and WebSocket.
  • Forex API with real-time and historical data for 140+ currency pairs.

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Where they differ

Relative Rotation Graphs® (RRG Research)

Distinct strengths include:

  • Relative Rotation Graphs® (RRGs®) visualize trends in relative strength/performance of multiple securities in a universe versus a common benchmark (and each other).
  • RRGs are described by the vendor as applicable across asset classes (e.g., stock indexes, stock sectors, individual stocks, bonds, (crypto)-currencies, and asset allocation).
  • RRG Online: vendor-run web implementation built in cooperation with Optuma, positioned as a "lightweight" version with limited functionality and pre-defined universes.
  • RRG Online universes/benchmarks (examples listed by the vendor) include S&P 500 sectors vs S&P 500, AEX stocks vs AEX, ASX sectors vs ASX, Euro STOXX 50 stocks vs Euro STOXX 50, STOXX European sectors vs STOXX 600, Jakarta IDX stocks vs IDX, crypto vs BTC/USD, and G10 FX/currency pairs.

Tiingo

Distinct strengths include:

  • End-of-day (EOD) price API with proprietary error-checking and broad historical coverage.
  • Coverage spans 65,000+ US stocks, ETFs, mutual funds, ADRs, plus Chinese equities with 50+ years of history.
  • Corporate actions API for dividends and splits, including both historical and announced events.
  • IEX real-time equity feed with tick-level data via REST and WebSocket.

Feature-by-feature breakdown

AttributeRelative Rotation Graphs® (RRG Research)Tiingo
Categories

Which research workflows each platform targets

Shared: Data APIs, APIs & SDKs

Unique: Data Visualizations, Stock Comparison

Shared: Data APIs, APIs & SDKs

Unique: News, Dividends, Splits

Asset types

Supported asset classes and universes

Stocks, Bonds, Currencies, Cryptos, Other

Stocks, ETFs, Mutual Funds, Cryptos, Currencies

Experience levels

Who each product is built for

Intermediate, Advanced

Beginner, Intermediate, Advanced

Platforms

Where you can access the product

Web, API

Web, API

Pricing

High-level pricing models

Subscription, Other

Free, Subscription

Key features

Core capabilities called out by each vendor

Unique

  • Relative Rotation Graphs® (RRGs®) visualize trends in relative strength/performance of multiple securities in a universe versus a common benchmark (and each other).
  • RRGs are described by the vendor as applicable across asset classes (e.g., stock indexes, stock sectors, individual stocks, bonds, (crypto)-currencies, and asset allocation).
  • RRG Online: vendor-run web implementation built in cooperation with Optuma, positioned as a "lightweight" version with limited functionality and pre-defined universes.
  • RRG Online universes/benchmarks (examples listed by the vendor) include S&P 500 sectors vs S&P 500, AEX stocks vs AEX, ASX sectors vs ASX, Euro STOXX 50 stocks vs Euro STOXX 50, STOXX European sectors vs STOXX 600, Jakarta IDX stocks vs IDX, crypto vs BTC/USD, and G10 FX/currency pairs.
  • RRG Online interaction features include toggling securities on/off, setting trail length, zooming/dragging, snapping axes, and playing/animating historical rotation via a slider or play button.
  • RRG Online pricing: subscription starting from $10/month; marketed as "light weight", "interactive", with "selected universes" and "limited functionality".

Unique

  • End-of-day (EOD) price API with proprietary error-checking and broad historical coverage.
  • Coverage spans 65,000+ US stocks, ETFs, mutual funds, ADRs, plus Chinese equities with 50+ years of history.
  • Corporate actions API for dividends and splits, including both historical and announced events.
  • IEX real-time equity feed with tick-level data via REST and WebSocket.
  • Forex API with real-time and historical data for 140+ currency pairs.
  • Crypto API aggregating data from multiple exchanges, with REST and WebSocket endpoints.
Tested

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Frequently Asked Questions

Which workflows do Relative Rotation Graphs® (RRG Research) and Tiingo both support?

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

Which tool offers a free plan?

Tiingo offers a free entry point, while Relative Rotation Graphs® (RRG Research) requires a paid subscription. Review the pricing table to see how the paid tiers compare.

How can you access Relative Rotation Graphs® (RRG Research) and Tiingo?

Both Relative Rotation Graphs® (RRG Research) and Tiingo 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?

Relative Rotation Graphs® (RRG Research) differentiates itself with Relative Rotation Graphs® (RRGs®) visualize trends in relative strength/performance of multiple securities in a universe versus a common benchmark (and each other)., RRGs are described by the vendor as applicable across asset classes (e.g., stock indexes, stock sectors, individual stocks, bonds, (crypto)-currencies, and asset allocation)., and RRG Online: vendor-run web implementation built in cooperation with Optuma, positioned as a "lightweight" version with limited functionality and pre-defined universes., whereas Tiingo stands out for End-of-day (EOD) price API with proprietary error-checking and broad historical coverage., Coverage spans 65,000+ US stocks, ETFs, mutual funds, ADRs, plus Chinese equities with 50+ years of history., and Corporate actions API for dividends and splits, including both historical and announced events..

Keep exploring

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.