Track Market Openings and Closures with Precision

This API is ideal for a variety of applications, including automated trading systems that align strategies with market hours, financial dashboards displaying real-time market status, and event scheduling tools for planning financial activities. It supports compliance and reporting by tracking market closures, market analysis platforms for contextualizing trends, and AI-driven applications such as predictive trading models that optimize strategies based on session data and anomaly detection systems that identify irregularities in market schedules.

Key Features

• 🕒 Comprehensive Session Data - Access market session details from past to future.
  Users can retrieve session information, including beginning and end times, for a period spanning one week back to one month forward. This feature supports applications like trading bots or calendars that need precise market schedules to plan activities or display availability.

• 📍 Exchange-Specific Insights - Query data for specific exchanges like Nasdaq or NYSE.
  By specifying an exchangeId (e.g., 537 for Nasdaq UTP Delayed), users can fetch session data tailored to a particular exchange. This ensures accurate scheduling for trading systems or analytics platforms focused on specific markets.

• 📅 Holiday and Closure Details - Understand why markets are closed with clear reasons.
  The API provides detailed closure reasons and holiday names for days when the market is not open. This enables developers to build tools that inform users about market closures due to holidays, weekends, or unforeseen events, enhancing transparency in scheduling.

• 🔐 Secure Authentication - Protect access with a Base64-encoded application key.
  The API requires a T parameter for authentication, ensuring secure data retrieval. This feature allows developers to confidently integrate session data into production environments, safeguarding sensitive financial applications.

Available Data Fields

Each API call returns a collection of market session objects with the following fields:

Field	Meaning	Data Type
chartEndTime	The End Time of the Chart (only present on days the exchange is open, not adjusted for half-days or partial closures)	Millisecond Epoch Time
chartStartTime	The Start Time of the Chart (not adjusted for half-days or partial closures)	Millisecond Epoch Time
date	Date of the Market Session	Date String (YYYY-MM-DD)
isMarketOpen	True if the market is open for that day; False if closed	Boolean
sessionStartTime	Market Session Start Time (time when system flushes previous day's data, valid only on open days)	Millisecond Epoch Time
closureReason	Reason for exchange closure (e.g., holiday, weekend)	String
holidayName	Name of the holiday if the exchange is closed for a holiday	String

Query Parameters

The API accepts the following parameters to customize your request:

Parameter	Meaning	Data Type
T	Application Key which authenticates you with CloudQuote (required)	Base64 string
exchangeId	Exchange ID (e.g., 537 = Nasdaq UTP Delayed, 321 = NYSE Consolidated Tape Delayed)	Number

Use Cases

• 🤖 Automated Trading Systems - Align trading strategies with market session glorify.
  Developers can use session data to ensure trading algorithms operate only during active market hours, leveraging fields like sessionStartTime and isMarketOpen. This prevents trades from executing during closures, improving efficiency and compliance.

• 📈 Financial Dashboards - Display real-time market availability for users.
  The API enables dynamic visualizations of market status, showing whether an exchange is open or closed and why. This enhances user experience on platforms by providing clear, up-to-date information on trading windows.

• 🗓️ Event Scheduling Tools - Plan financial activities around market sessions.
  By integrating session data, developers can create calendars that highlight open market days and flag closures with reasons like holidays. This is ideal for portfolio managers scheduling trades or investor meetings.

• 🔍 Compliance and Reporting - Track market closures for regulatory purposes.
  Analysts can use fields like closureReason and holidayName to document market inactivity for compliance reports or audits. This ensures accurate records of trading availability for regulatory or historical analysis.

• 📊 Market Analysis Platforms - Incorporate session data into market trend studies.
  Researchers can leverage session start and end times to contextualize price movements or trading volumes, ensuring analyses account for active market periods. This supports accurate trend identification and forecasting.

• 🤖 AI-Powered Predictive Trading - Optimize trading strategies with machine learning.
  AI models can use session data to predict optimal trading windows, leveraging chartStartTime and chartEndTime to train algorithms on historical market schedules, improving decision-making for automated trading.

• 🔎 AI Anomaly Detection - Identify irregularities in market schedules.
  Machine learning systems can analyze closureReason and holidayName to detect unexpected closures or schedule anomalies, enabling proactive adjustments in trading or reporting applications.

Why Choose FinancialContent's getMarketSessions API?

• 🚀 Unmatched Reliability - Dependable data delivery for critical applications.
  Built on a robust infrastructure with 99.99% uptime, the API ensures consistent access to session data, even during high-demand periods. This reliability is crucial for time-sensitive trading or scheduling tools.

• 🔄 Seamless Integration - Easily combine with other FinancialContent APIs.
  The API integrates smoothly with other data feeds, such as price or tick data, enabling developers to build comprehensive solutions that combine session schedules with market performance metrics.

• 📈 Scalable Performance - Handle queries for multiple exchanges effortlessly.
  Designed for scalability, the API processes requests for various exchanges and time ranges efficiently, supporting both small-scale apps and enterprise-grade platforms with extensive data needs.

• 📚 Developer-Friendly Support - Comprehensive resources for quick onboarding.
  FinancialContent provides detailed documentation, sample code, and responsive support to streamline integration. Our team ensures developers can maximize the API’s potential for their projects.

Optimized for High-Speed Access

The getMarketSessions API is engineered for top-tier performance, adhering to industry best practices for rapid data delivery. Our RESTful endpoints use compact JSON formatting to minimize payload size, enabling fast parsing and reduced bandwidth usage. Advanced caching accelerates repeated queries, while globally distributed servers reduce latency for users worldwide. Rate limiting and pagination are optimized to maintain stability under high traffic, and asynchronous request handling ensures efficient processing of large datasets. This performance-driven design empowers developers to build responsive, real-time applications with minimal delays.

Sample Request

GET /api/getMarketSessions?T=your_base64_key&exchangeId=537

Sample Response (JSON)

{
  "rows": [
    {
      "chartEndTime": 1738266000000,
      "chartStartTime": 1738240800000,
      "date": "2025-08-01",
      "isMarketOpen": true,
      "sessionStartTime": 1738237200000
    },
    {
      "date": "2025-08-04",
      "isMarketOpen": false,
      "closureReason": "holiday",
      "holidayName": "Labor Day"
    },
    ...
  ]
}