GET
/
api
/
analytics
/
market-share
Get platform market share
curl --request GET \
  --url https://api.data.adj.news/api/analytics/market-share \
  --header 'Authorization: Bearer <token>'
{
  "data": [
    {
      "platform": "<string>",
      "value": 123,
      "count": 123,
      "percentage": 123
    }
  ]
}

​
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.

​
Authentication Required

This endpoint requires API key authentication.

​
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)

​
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
  ]
}

​
Available Metrics

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

​
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)

​
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

​
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"

​
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

Authorizations

​
Authorization
string
header
required

Enter your API key as the bearer token

Query Parameters

​
start_date
string

Start date for market share analysis

​
end_date
string

End date for market share analysis

​
metric
enum<string>
default:count

Metric to measure, default is count

Available options:
count,
volume,
probability,
liquidity

Response

200
application/json

Platform market share analysis

The response is of type object.