Best ProShares UltraShort Gold (GLL) prices API in 2025

Exploring the Best ProShares UltraShort Gold (GLL) Prices API in 2025

The ProShares UltraShort Gold (GLL) is a unique investment vehicle that allows traders to profit from declines in the price of gold. As we look towards 2025, understanding the dynamics of GLL and its underlying asset, gold (XAU), becomes crucial for investors and developers alike. In this blog post, we will delve into the intricacies of the Metals-API, which provides real-time data and insights into gold prices, and explore how this API can empower developers to create innovative applications that leverage precious metals data.

Metals-API Information

About Gold (XAU)

Gold has long been regarded as a safe haven asset, particularly in times of economic uncertainty. The digital transformation in precious metals trading has opened up new avenues for data analytics and market insights. With the integration of technology in trading, investors can now access real-time data, enabling them to make informed decisions swiftly. The innovation in price discovery mechanisms has also been enhanced by digital asset solutions, allowing for more accurate and timely pricing of gold.

As we transition into 2025, the importance of having access to reliable and real-time data cannot be overstated. The Metals-API Documentation provides comprehensive information on how to utilize this powerful tool to access gold prices and other precious metals data efficiently.

API Description

The Metals-API is designed to provide developers with the tools necessary to build next-generation applications that require real-time metals data. This API offers a range of capabilities that empower users to access, analyze, and utilize precious metals pricing data effectively. With its focus on innovation and technological advancement, the Metals-API is transforming how developers interact with market data.

One of the standout features of the Metals-API is its ability to deliver real-time exchange rate data, which is essential for applications that require up-to-the-minute pricing information. The API supports various endpoints that cater to different data needs, from historical rates to real-time fluctuations, making it a versatile tool for developers.

Key Features and Endpoints

The Metals-API offers a variety of endpoints that provide specific functionalities tailored to different use cases:

  • Latest Rates Endpoint: Depending on your subscription plan, this endpoint returns real-time exchange rate data updated every 60 minutes, every 10 minutes, or even more frequently. This feature is crucial for applications that require the most current pricing information.
  • Historical Rates Endpoint: Access historical rates for most currencies dating back to 2019. By appending a specific date, developers can query the API for historical data, which is invaluable for trend analysis and forecasting.
  • Bid And Ask Endpoint: This powerful feature enables users to retrieve real-time bid and ask prices, providing insights into market liquidity and pricing dynamics.
  • Convert Endpoint: The Metals-API includes a currency conversion endpoint, allowing users to convert any amount from one currency to another, facilitating seamless transactions across different currencies.
  • Time-Series Endpoint: This endpoint allows developers to query the API for daily historical rates between two dates of their choice, enabling comprehensive analysis of price movements over time.
  • Fluctuation Endpoint: Users can retrieve information about how currencies fluctuate on a day-to-day basis, providing insights into market volatility and trends.
  • Carat Endpoint: This unique feature allows users to retrieve information about gold rates by carat, catering to specific market needs.
  • Lowest/Highest Price Endpoint: Query the API to get the lowest and highest prices for a specified date, which is essential for understanding market extremes.
  • Open/High/Low/Close (OHLC) Price Endpoint: This endpoint provides open, high, low, and close prices for a specific date, offering a comprehensive view of market activity.
  • Historical LME Endpoint: Access historical rates for LME symbols dating back to 2008, which is particularly useful for industrial metal analysis.
  • API Key: The API Key is a unique identifier that must be passed into the API base URL's access_key parameter for authentication.
  • API Response: Exchange rates delivered by the Metals-API are by default relative to USD, ensuring consistency across data retrieval.
  • Available Endpoints: The API comes with multiple endpoints, each providing different functionalities tailored to various data needs.
  • Supported Symbols Endpoint: This constantly updated endpoint returns all available currencies, ensuring developers have access to the latest data.
  • Gold Price India Endpoint: Retrieve the latest gold price in India using this dedicated endpoint, which is crucial for regional market insights.
  • News Endpoint: Stay updated with the latest news articles related to various metals, providing context and insights into market movements.

List of Symbols

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

API Endpoint Examples and Responses

Understanding the API responses is crucial for effective implementation. Here are some examples of the various endpoints:

Latest Rates Endpoint

Get real-time exchange rates for all available metals:

{
    "success": true,
    "timestamp": 1742086819,
    "base": "USD",
    "date": "2025-03-16",
    "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

Access historical exchange rates for any date since 1999:

{
    "success": true,
    "timestamp": 1742000419,
    "base": "USD",
    "date": "2025-03-15",
    "rates": {
        "XAU": 0.000485,
        "XAG": 0.03825,
        "XPT": 0.000915,
        "XPD": 0.000748
    },
    "unit": "per troy ounce"
}
Time-series Endpoint

Get exchange rates for a specific time period:

{
    "success": true,
    "timeseries": true,
    "start_date": "2025-03-09",
    "end_date": "2025-03-16",
    "base": "USD",
    "rates": {
        "2025-03-09": {
            "XAU": 0.000485,
            "XAG": 0.03825,
            "XPT": 0.000915
        },
        "2025-03-11": {
            "XAU": 0.000483,
            "XAG": 0.0382,
            "XPT": 0.000913
        },
        "2025-03-16": {
            "XAU": 0.000482,
            "XAG": 0.03815,
            "XPT": 0.000912
        }
    },
    "unit": "per troy ounce"
}
Convert Endpoint

Convert any amount from one metal to another or to/from USD:

{
    "success": true,
    "query": {
        "from": "USD",
        "to": "XAU",
        "amount": 1000
    },
    "info": {
        "timestamp": 1742086819,
        "rate": 0.000482
    },
    "result": 0.482,
    "unit": "troy ounces"
}
Fluctuation Endpoint

Track rate fluctuations between two dates:

{
    "success": true,
    "fluctuation": true,
    "start_date": "2025-03-09",
    "end_date": "2025-03-16",
    "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"
}
OHLC (Open/High/Low/Close) Endpoint

Get OHLC data for a specific time period:

{
    "success": true,
    "timestamp": 1742086819,
    "base": "USD",
    "date": "2025-03-16",
    "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"
}
Bid/Ask Endpoint

Get current bid and ask prices for metals:

{
    "success": true,
    "timestamp": 1742086819,
    "base": "USD",
    "date": "2025-03-16",
    "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"
}

Conclusion

As we move into 2025, the ProShares UltraShort Gold (GLL) presents a compelling opportunity for investors looking to capitalize on fluctuations in gold prices. The Metals-API serves as an essential tool for developers seeking to integrate real-time gold pricing data into their applications. With its comprehensive range of endpoints and capabilities, the Metals-API empowers developers to create innovative solutions that enhance trading strategies and market analysis.

By leveraging the advanced features of the Metals-API, such as the Latest Rates, Historical Rates, and Bid/Ask endpoints, developers can build applications that provide valuable insights into the precious metals market. The API's focus on real-time data and analytics positions it as a transformative resource in the evolving landscape of digital trading.

For more information on how to utilize the Metals-API effectively, refer to the Metals-API Documentation and explore the extensive range of supported symbols on the Metals-API Supported Symbols page. Embrace the future of trading with the Metals-API and unlock the potential of real-time metals data.

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