How to Retrieve IBEX 35 OHLC Data for Historical Trend Analysis with Indices-API

In the world of trading and financial analysis, having access to accurate and timely data is crucial. For those interested in the IBEX 35 index, retrieving OHLC (Open, High, Low, Close) data can provide valuable insights for historical trend analysis. This blog post will guide you through the process of obtaining IBEX 35 OHLC data using the Indices-API, detailing the API's capabilities, sample requests, output formats, and integration tips.

About IBEX 35 (IBEX)

The IBEX 35 is the benchmark stock market index of the Bolsa de Madrid, which represents the 35 most liquid Spanish stocks traded on the exchange. It serves as a key indicator of the performance of the Spanish stock market and is widely used by traders and investors to gauge market trends. Understanding the OHLC data for IBEX 35 can help traders make informed decisions based on historical performance and market volatility.

API Description

The Indices-API is a powerful tool that provides real-time and historical data for various financial indices, including the IBEX 35. This API empowers developers to create next-generation applications that require accurate financial data. With its innovative design and robust features, the Indices-API enables users to access a wealth of information, facilitating advanced trading strategies and market analysis.

Key Features and Endpoints

The Indices-API offers a variety of endpoints that cater to different data needs. Here are some of the key features:

Latest Rates Endpoint: This endpoint provides real-time exchange rate data for various indices, updated based on your subscription plan. Depending on your plan, you can receive updates every 60 minutes or every 10 minutes.
Historical Rates Endpoint: Access historical exchange rates for any date since 1999, allowing you to analyze past performance and trends.
Convert Endpoint: This feature allows you to convert amounts between different currencies, enhancing your ability to analyze financial data across various markets.
Time-Series Endpoint: Query for daily historical rates between two dates of your choice, enabling comprehensive trend analysis over specific periods.
Fluctuation Endpoint: Track how indices fluctuate on a day-to-day basis, providing insights into market volatility.
Open/High/Low/Close (OHLC) Price Endpoint: This endpoint is essential for retrieving OHLC data for the IBEX 35, allowing traders to analyze price movements over time.
API Key: Your unique API key is required to access the API, ensuring secure and authorized usage.
API Response: The API delivers exchange rates relative to USD, with all data returned in a structured JSON format.
Available Endpoints: The API provides multiple endpoints, each designed for specific functionalities, ensuring comprehensive data access.
Supported Symbols Endpoint: This endpoint returns a constantly updated list of all available indices, including the IBEX 35.

List of Symbols

The Indices-API provides access to a diverse range of index symbols. For a complete list of all supported symbols and their specifications, refer to the Indices-API Supported Symbols page.

API Endpoint Examples and Responses

Understanding how to interact with the Indices-API is crucial for effective data retrieval. Below are examples of various API endpoints and their corresponding responses.

Latest Rates Endpoint

{
"success": true,
"timestamp": 1757480591,
"base": "USD",
"date": "2025-09-10",
"rates": {
"IBEX 35": 0.00029,
"DOW": 0.00029,
"NASDAQ": 0.00039,
"S&P 500": 0.00024,
"FTSE 100": 0.00058,
"DAX": 0.00448,
"CAC 40": 0.00137,
"NIKKEI 225": 0.0125
},
"unit": "per index"
}

Historical Rates Endpoint

{
"success": true,
"timestamp": 1757394191,
"base": "USD",
"date": "2025-09-09",
"rates": {
"IBEX 35": 0.00028,
"DOW": 0.00028,
"NASDAQ": 0.00038,
"S&P 500": 0.00023,
"FTSE 100": 0.0124,
"DAX": 0.0126,
"CAC 40": 0.0126,
"NIKKEI 225": 0.0126
},
"unit": "per index"
}

Time-Series Endpoint

{
"success": true,
"timeseries": true,
"start_date": "2025-09-03",
"end_date": "2025-09-10",
"base": "USD",
"rates": {
"2025-09-03": {
"IBEX 35": 0.00028,
"DOW": 0.00028,
"NASDAQ": 0.00038,
"S&P 500": 0.00023,
"FTSE 100": 0.0124,
"DAX": 0.0126,
"CAC 40": 0.0126,
"NIKKEI 225": 0.0126
},
"2025-09-05": {
"IBEX 35": 0.00029,
"DOW": 0.00029,
"NASDAQ": 0.00039,
"S&P 500": 0.00024,
"FTSE 100": 0.0124,
"DAX": 0.0126,
"CAC 40": 0.0126,
"NIKKEI 225": 0.0126
},
"2025-09-10": {
"IBEX 35": 0.00029,
"DOW": 0.00029,
"NASDAQ": 0.00039,
"S&P 500": 0.00024,
"FTSE 100": 0.0124,
"DAX": 0.0126,
"CAC 40": 0.0126,
"NIKKEI 225": 0.0126
}
},
"unit": "per index"
}

OHLC (Open/High/Low/Close) Endpoint

The OHLC endpoint is particularly useful for traders looking to analyze price movements over specific periods. Here’s an example response:

{
"success": true,
"timestamp": 1757480591,
"base": "USD",
"date": "2025-09-10",
"rates": {
"IBEX 35": {
"open": 0.00028,
"high": 0.00029,
"low": 0.00027,
"close": 0.00029
},
"DOW": {
"open": 0.00028,
"high": 0.00029,
"low": 0.00027,
"close": 0.00029
},
"NASDAQ": {
"open": 0.00038,
"high": 0.0004,
"low": 0.00037,
"close": 0.00039
},
"S&P 500": {
"open": 0.0124,
"high": 0.0126,
"low": 0.0123,
"close": 0.0125
},
"FTSE 100": {
"open": 0.0124,
"high": 0.0126,
"low": 0.0123,
"close": 0.0125
}
},
"unit": "per index"
}

Integration Tips

Integrating the Indices-API into your applications can significantly enhance your trading strategies. Here are some tips to ensure a smooth integration:

Authentication: Always secure your API key and ensure it is included in your requests to authenticate your access.
Rate Limiting: Be aware of the rate limits associated with your subscription plan to avoid exceeding your quota and potentially losing access.
Error Handling: Implement robust error handling to manage API response errors gracefully. This includes checking for success flags and handling different error codes appropriately.
Data Caching: Consider caching frequently accessed data to improve performance and reduce the number of API calls.
Security Best Practices: Use HTTPS for all API requests to ensure data security during transmission.

Conclusion

Retrieving IBEX 35 OHLC data using the Indices-API is a powerful way to enhance your trading analysis. By leveraging the API's capabilities, you can access real-time and historical data, enabling you to make informed decisions based on market trends. The comprehensive features of the Indices-API, including the OHLC endpoint, provide the necessary tools for advanced trading strategies.

For more information on how to use the Indices-API, refer to the Indices-API Documentation. To explore the full list of supported symbols, visit the Indices-API Supported Symbols page. With the right tools and data, you can elevate your trading game and achieve your financial goals.

Ready to use Indices-API?

Try it now!

How to Retrieve IBEX 35 OHLC Data for Historical Trend Analysis with Indices-API