Platform Market Share

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Analyze Platform Market Share

This endpoint provides a breakdown of market share across different prediction market platforms. It allows you to analyze the relative size and activity of each platform using various metrics.

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Authentication Required

This endpoint requires API key authentication.

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Query Parameters

• metric (optional): Metric to measure market share (count, volume, liquidity) - default: count
• start_date (optional): Start date for analysis (ISO format)
• end_date (optional): End date for analysis (ISO format)

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Response Format

{
  "data": [
    {
      "platform": "polymarket",
      "value": 5200,
      "count": 5200,
      "percentage": 0.42
    },
    {
      "platform": "kalshi",
      "value": 3100,
      "count": 3100,
      "percentage": 0.25
    },
    {
      "platform": "manifold",
      "value": 2800,
      "count": 2800,
      "percentage": 0.22
    },
    {
      "platform": "metaculus",
      "value": 1400,
      "count": 1400,
      "percentage": 0.11
    }
    // ... more platforms
  ]
}

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Available Metrics

• count: Number of markets per platform (default)
• volume: Total trading volume per platform
• liquidity: Total or average liquidity per platform

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Field Explanations

• platform: The platform identifier
• value: The metric value (e.g., count, volume, liquidity)
• count: Number of markets (always included regardless of metric)
• percentage: The platform’s share as a proportion of the total (0-1)

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Use Cases

1. Market Landscape Analysis: Understand the distribution of the prediction market ecosystem
2. Platform Comparison: Compare the relative size and activity of different platforms
3. Growth Tracking: Track how platforms’ market share changes over time
4. Volume Analysis: See which platforms have the highest trading volumes
5. Category Dominance: Identify which platforms dominate in specific categories

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Example Queries

# Get market share by number of markets
curl "https://api.data.adj.news/api/analytics/market-share" \
  -H "Authorization: Bearer YOUR_API_KEY"

# Analyze market share by volume for the year 2024
curl "https://api.data.adj.news/api/analytics/market-share?metric=volume&start_date=2024-01-01&end_date=2024-12-31" \
  -H "Authorization: Bearer YOUR_API_KEY"

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Visualization

This data is ideal for:

• Pie charts showing market share distribution
• Bar charts comparing platform metrics
• Treemaps visualizing hierarchical market share
• Time-series graphs showing market share changes over time