Extract High Grade Copper Nov 2025 (HGX25) Historical Prices for Backtesting via this API

Introduction

In the world of commodities trading, understanding the historical prices of metals like Gold (XAU) is crucial for making informed investment decisions. The ability to extract high-grade copper historical prices, such as those for November 2025 (HGX25), can significantly enhance backtesting strategies. This is where the Metals-API comes into play, providing developers with a powerful tool to access real-time and historical data for various metals, including copper and gold.

About Copper (XCU)

Copper has long been a cornerstone of industrial applications, and its market dynamics are evolving rapidly due to digital transformation and technological advancements. The integration of smart technologies and data analytics is reshaping how traders and investors interact with metal markets. As we look toward the future, the potential for innovation in copper trading is immense, with possibilities for enhanced data insights and predictive analytics.

Digital Transformation in Metal Markets

The digital transformation of metal markets is characterized by the adoption of advanced technologies that streamline trading processes and improve data accessibility. The Metals-API exemplifies this transformation by offering a comprehensive suite of endpoints that allow developers to access real-time and historical data efficiently. This API empowers users to create applications that can analyze market trends, track price fluctuations, and make data-driven decisions.

Technological Innovation and Advancement

Technological advancements in data analytics and machine learning are enabling traders to gain deeper insights into market behavior. By leveraging the capabilities of the Metals-API, developers can build sophisticated applications that utilize historical price data to forecast future trends. The API's robust infrastructure supports the integration of various data sources, allowing for comprehensive market analysis.

Data Analytics and Insights

Data analytics plays a pivotal role in understanding market trends and making informed trading decisions. The Metals-API provides access to a wealth of historical data, enabling users to conduct thorough analyses of price movements over time. By utilizing the Metals-API Documentation, developers can learn how to effectively query historical rates and analyze fluctuations in metal prices.

Smart Technology Integration

Integrating smart technologies into trading platforms can enhance user experience and improve decision-making processes. The Metals-API allows developers to create applications that can automatically retrieve and analyze data, providing users with real-time insights into market conditions. This integration of smart technology not only improves efficiency but also empowers traders to react swiftly to market changes.

Future Trends and Possibilities

As the metal markets continue to evolve, the future holds exciting possibilities for traders and investors. The Metals-API is at the forefront of this evolution, offering innovative solutions that cater to the needs of modern traders. With the ability to access historical data dating back to 2019, users can backtest strategies and refine their trading approaches based on empirical evidence.

API Description

The Metals-API is a powerful tool designed for developers seeking to access real-time and historical data for various metals. With its innovative architecture, the API provides a range of endpoints that facilitate seamless data retrieval and integration into applications. This API is particularly beneficial for those looking to build next-generation applications that leverage real-time metals data for trading, analysis, and forecasting.

Key Features and Endpoints

The Metals-API offers a variety of endpoints, each designed to fulfill specific data retrieval needs. Here are some of the key features:

Latest Rates Endpoint

The Latest Rates Endpoint provides real-time exchange rate data for metals, updated every 60 minutes, 10 minutes, or even more frequently, depending on your subscription plan. This endpoint is essential for traders who need up-to-the-minute information to make informed decisions.

{
"success": true,
"timestamp": 1777853903,
"base": "USD",
"date": "2026-05-04",
"rates": {
"XAU": 0.000482,
"XAG": 0.03815,
"XPT": 0.000912,
"XPD": 0.000744,
"XCU": 0.294118,
"XAL": 0.434783,
"XNI": 0.142857,
"XZN": 0.344828
},
"unit": "per troy ounce"
}

Historical Rates Endpoint

Accessing historical rates is crucial for backtesting trading strategies. The Historical Rates Endpoint allows users to query historical rates for most currencies dating back to 2019. By appending a specific date to the endpoint, developers can retrieve valuable historical data.

{
"success": true,
"timestamp": 1777767503,
"base": "USD",
"date": "2026-05-03",
"rates": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915,
"XPD": 0.000748
},
"unit": "per troy ounce"
}

Bid and Ask Endpoint

The Bid and Ask Endpoint is a powerful feature that enables users to retrieve real-time bid and ask prices for metals. This information is vital for traders looking to execute trades at optimal prices.

{
"success": true,
"timestamp": 1777853903,
"base": "USD",
"date": "2026-05-04",
"rates": {
"XAU": {
"bid": 0.000481,
"ask": 0.000483,
"spread": 2.0e-6
},
"XAG": {
"bid": 0.0381,
"ask": 0.0382,
"spread": 0.0001
},
"XPT": {
"bid": 0.000911,
"ask": 0.000913,
"spread": 2.0e-6
}
},
"unit": "per troy ounce"
}

Convert Endpoint

The Convert Endpoint allows users to convert any amount from one metal to another or to/from USD. This feature is particularly useful for traders who need to quickly assess the value of their holdings in different currencies.

{
"success": true,
"query": {
"from": "USD",
"to": "XAU",
"amount": 1000
},
"info": {
"timestamp": 1777853903,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

Time-Series Endpoint

The Time-Series Endpoint allows users to query the API for daily historical rates between two dates of their choice. This feature is invaluable for analyzing trends over specific periods.

{
"success": true,
"timeseries": true,
"start_date": "2026-04-27",
"end_date": "2026-05-04",
"base": "USD",
"rates": {
"2026-04-27": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2026-04-29": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2026-05-04": {
"XAU": 0.000482,
"XAG": 0.03815,
"XPT": 0.000912
}
},
"unit": "per troy ounce"
}

Fluctuation Endpoint

The Fluctuation Endpoint provides information about how currencies fluctuate on a day-to-day basis. This feature is essential for traders looking to understand market volatility.

{
"success": true,
"fluctuation": true,
"start_date": "2026-04-27",
"end_date": "2026-05-04",
"base": "USD",
"rates": {
"XAU": {
"start_rate": 0.000485,
"end_rate": 0.000482,
"change": -3.0e-6,
"change_pct": -0.62
},
"XAG": {
"start_rate": 0.03825,
"end_rate": 0.03815,
"change": -0.0001,
"change_pct": -0.26
},
"XPT": {
"start_rate": 0.000915,
"end_rate": 0.000912,
"change": -3.0e-6,
"change_pct": -0.33
}
},
"unit": "per troy ounce"
}

Open/High/Low/Close (OHLC) Price Endpoint

The OHLC Price Endpoint allows users to retrieve the open, high, low, and close prices for a specific time period. This data is crucial for technical analysis and understanding market trends.

{
"success": true,
"timestamp": 1777853903,
"base": "USD",
"date": "2026-05-04",
"rates": {
"XAU": {
"open": 0.000485,
"high": 0.000487,
"low": 0.000481,
"close": 0.000482
},
"XAG": {
"open": 0.03825,
"high": 0.0383,
"low": 0.0381,
"close": 0.03815
},
"XPT": {
"open": 0.000915,
"high": 0.000918,
"low": 0.00091,
"close": 0.000912
}
},
"unit": "per troy ounce"
}

Historical LME Endpoint

The Historical LME Endpoint provides access to historical rates for LME symbols dating back to 2008. This endpoint is particularly useful for traders focused on London Metal Exchange prices.

{
"success": true,
"timestamp": 1777767503,
"base": "USD",
"date": "2026-05-03",
"rates": {
"XCU": 0.294118,
"XAL": 0.434783
},
"unit": "per troy ounce"
}

API Key and Authentication

To access the Metals-API, users must obtain an API key, which is passed into the API base URL's access_key parameter. This key is essential for authentication and ensures secure access to the API's features.

API Response Structure

The API delivers exchange rates relative to USD by default. Each response includes a success flag, a timestamp, the base currency, the date of the rates, and the rates themselves. Understanding this structure is crucial for developers to effectively parse and utilize the data.

Performance Optimization and Security Considerations

When integrating the Metals-API into applications, developers should consider performance optimization strategies, such as caching frequently accessed data and minimizing API calls. Additionally, implementing security best practices, such as validating input data and handling errors gracefully, is essential for maintaining application integrity.

Conclusion

The Metals-API is a transformative tool for developers seeking to access real-time and historical data for metals like Gold (XAU) and Copper (XCU). With its extensive range of endpoints, the API empowers users to build sophisticated applications that leverage data analytics for trading and investment strategies. By understanding the capabilities of the Metals-API and effectively utilizing its features, developers can enhance their applications and provide valuable insights to traders. For more information, refer to the Metals-API Documentation and explore the Metals-API Supported Symbols for a comprehensive list of available metals.