Stock Trends API: Developer & AI Access to Market Trend Data

The Stock Trends analytical framework is built on more than three decades of market observation and empirical study. Each week, North American equities and ETFs are classified by trend, momentum, and volume behavior, and these classifications are linked to observed forward return outcomes. The result is a structured, probability-based foundation for market analysis.

The Stock Trends API makes this framework directly accessible to developers, financial applications, and AI systems through machine-readable endpoints, live pricing metadata, and documented access paths.

Start Here

If you are evaluating the API for development or agent use, begin with these resources:

What the Stock Trends API Provides

The API delivers structured financial intelligence derived from the Stock Trends methodology, including:

  • Weekly trend classifications and core indicator data
  • Momentum and relative strength measures
  • Unusual volume activity signals
  • Empirical forward return distributions over 4-, 13-, and 40-week horizons
  • Sector and market breadth analytics
  • Selections and rankings derived from the Stock Trends Inference Model
  • Market regime and leadership context for higher-level analysis

Unlike conventional financial data feeds, the Stock Trends API is not merely descriptive. It exposes a historically grounded, probability-based analytical framework designed to support repeatable research, evaluation, and decision workflows.

Built for Developers, Financial Applications, and AI Agents

The Stock Trends API is designed for modern programmatic use cases, including:

  • AI agents and financial copilots
  • Quantitative research and backtesting systems
  • Algorithmic screening and market intelligence tools
  • Portfolio analytics and comparison workflows
  • Research dashboards and systematic decision platforms

Machine-readable access is supported through a documented OpenAPI schema and dedicated discovery endpoints, making the API suitable for both traditional software development and agent-native integrations.

Recommended First Workflow

For most developers and agents, the most efficient way to evaluate the API is:

  1. Review the AI Context Endpoint
  2. Inspect the Pricing Catalog
  3. Browse the API Documentation or OpenAPI Specification
  4. Test a high-value endpoint such as market regime, ST-IM, decision, or agent screening workflows

Access Modes

The Stock Trends API supports multiple access paths depending on the application:

  • Subscription access for developer-managed applications using API keys
  • x402 pay-per-request for agent-native premium access
  • MPP funded sessions for repeated premium calls and budgeted agent workflows

For setup details, see the Developer Portal.

From Editorial Insight to Structured Market Intelligence

Stock Trends has long emphasized a disciplined and transparent approach to market analysis. Editorial reports interpret the data within broader market context, while the API exposes the underlying structure directly.

This allows developers, researchers, and AI systems to move beyond narrative interpretation and work directly with the statistical and categorical framework behind the analysis.

A Foundation for Systematic Market Intelligence

As financial analysis becomes increasingly data-driven and agent-mediated, access to structured, interpretable, historically grounded signals becomes more valuable. The Stock Trends API provides a bridge between traditional market research and modern computational systems.

Whether used in AI-driven applications, research platforms, or institutional workflows, the API offers a consistent and transparent way to evaluate market conditions using the Stock Trends framework.


Begin with the Stock Trends API:


Access to the Stock Trends dataset is governed by the:
Stock Trends Data License

Stock Trends Editorial

  • Forward Probability Is Expanding Beyond Trend Confirmation
    Forward Probability Is Expanding Beyond Trend Confirmation The recent Stock Trends editorials have established that the current market is not defined by a unified directional regime. Instead, it is characterized by internal dispersion, where leadership is fragmented across sectors, industries, and individual securities. The latest dataset reinforces that conclusion. But more importantly, it reveals a structural shift beneath the surface: forward return probabilities are no longer tightly coupled to traditional trend classifications.
    08 April 2026 Read more...
  • Leadership Beneath the Surface: How Stock Trends Identifies System-Critical Equities
    Leadership Beneath the Surface: How Stock Trends Identifies System-Critical Equities The broad market still reads as a rotation market rather than a generalized expansion phase. Energy, Materials, and Utilities remain the clearest sector-level leadership blocs, but the current Stock Trends dataset shows that a second layer of leadership is now becoming more visible beneath the sector averages. That secondary leadership is important because it does not present itself as broad participation. It appears instead through specific industry groups whose internal trend structure is materially stronger than that of their parent sectors. In this week’s data, the clearest examples are Semiconductors and Equipment, Telecommunications, Containers & Packaging, and Banking.
    29 March 2026 Read more...
  • Indexing Is the Baseline—Probability Is the Edge
    Indexing Is the Baseline—Probability Is the Edge The case for indexing continues to strengthen, and rightly so. The evidence is overwhelming: most active managers fail to outperform their benchmarks over time, and the costs of attempting to do so only compound the underperformance. For many investors, indexing has become not just a strategy, but the default solution. But the conclusion that often follows—that markets cannot be meaningfully outperformed—is where the interpretation begins to break down. The failure of traditional active management is not evidence that opportunity does not exist. It is evidence that non-probabilistic selection fails.
    24 March 2026 Read more...
  • Continuation, Not Expansion: What the Probability Structure Now Reveals
    Continuation, Not Expansion: What the Probability Structure Now Reveals The current market is not offering investors the kind of broad speculative expansion that often defines the early phase of a powerful advance. Nor is it confirming a simple risk-off breakdown. The latest Stock Trends dataset points to something more disciplined. The probability structure remains constructive, but it is now being expressed primarily through continuation and consolidation rather than broad breakout expansion.
    21 March 2026 Read more...
View all Stock Trends Editorials
 
 

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