GET
/
api
/
analytics
/
market-performance
curl --request GET \
  --url https://api.data.adj.news/api/analytics/market-performance \
  --header 'Authorization: Bearer <token>'
{
  "data": {
    "metrics": [
      {
        "time_period": "<string>",
        "value": 123,
        "market_id": "<string>"
      }
    ],
    "markets": [
      {
        "market_id": "<string>",
        "platform_id": "<string>",
        "ticker": "<string>",
        "adj_ticker": "<string>",
        "market_slug": "<string>",
        "platform": "<string>",
        "market_type": "<string>",
        "question": "<string>",
        "description": "<string>",
        "rules": "<string>",
        "result": "<string>",
        "link": "<string>",
        "status": "<string>",
        "reported_date": "<string>",
        "created_at": "<string>",
        "updated_at": "<string>",
        "end_date": "<string>",
        "resolution_date": "<string>",
        "probability": 123,
        "volume": 123,
        "open_interest": 123,
        "liquidity": 123,
        "category": "<string>",
        "tags": [
          "<string>"
        ],
        "platform_ids": {},
        "status_details": {},
        "settlement_sources": [
          "<string>"
        ],
        "comments_count": 123,
        "has_comments": 123,
        "trades_count": 123,
        "event": "<string>"
      }
    ]
  }
}

​
Compare Multiple Markets Performance

This endpoint enables side-by-side comparison of multiple markets’ performance over time. It’s perfect for tracking how different markets in the same category or related to the same event evolve relative to each other.

​
Authentication Required

This endpoint requires API key authentication.

​
Query Parameters

  • markets (required): Comma-separated list of market IDs to compare
  • interval (optional): Time interval for aggregation (day, week, month) - default: day
  • metric (optional): Metric to compare (probability, volume, liquidity) - default: probability
  • start_date (optional): Start date for comparison (ISO format)
  • end_date (optional): End date for comparison (ISO format)

​
Response Format

{
  "data": {
    "metrics": [
      {
        "time_period": "2025-03-01",
        "value": 0.65,
        "market_id": "polymarket_will-trump-win-2024-election"
      },
      {
        "time_period": "2025-03-01",
        "value": 0.35,
        "market_id": "kalshi_PRES-DEM-2024"
      },
      {
        "time_period": "2025-03-02",
        "value": 0.67,
        "market_id": "polymarket_will-trump-win-2024-election"
      },
      // ... more time periods for each market
    ],
    "markets": [
      {
        "market_id": "polymarket_will-trump-win-2024-election",
        "question": "Will Donald Trump win the 2024 US Presidential Election?",
        // ... other market fields
      },
      {
        "market_id": "kalshi_PRES-DEM-2024",
        "question": "Will the Democratic nominee win the 2024 US Presidential Election?",
        // ... other market fields
      }
      // ... other markets being compared
    ]
  }
}

​
Available Metrics

  • probability: Track how market probabilities evolve over time
  • volume: Compare trading volume changes
  • liquidity: Compare liquidity changes

​
Time Intervals

  • day: Data aggregated by day
  • week: Data aggregated by week
  • month: Data aggregated by month

​
Use Cases

  1. Correlated Markets: Compare markets that should theoretically be correlated
  2. Arbitrage Detection: Identify pricing discrepancies between similar markets
  3. Cross-Platform Analysis: Compare the same event across different prediction platforms
  4. Impact Analysis: See how events impact related markets differently

​
Example Queries

# Compare presidential election markets across platforms
curl "https://api.data.adj.news/api/analytics/market-performance?markets=polymarket_will-trump-win-2024-election,kalshi_PRES-DEM-2024,manifold_will-biden-win-2024" \
  -H "Authorization: Bearer YOUR_API_KEY"

# Compare liquidity of top crypto markets weekly
curl "https://api.data.adj.news/api/analytics/market-performance?markets=polymarket_btc-above-100k-2025,polymarket_eth-above-10k-2025&metric=liquidity&interval=week" \
  -H "Authorization: Bearer YOUR_API_KEY"

​
Visualization

This data is ideal for:

  • Multi-line charts showing probabilities over time
  • Stacked bar charts for volume comparisons
  • Heat maps showing correlation between markets
  • Interactive dashboards with multiple market comparisons

Authorizations

​
Authorization
string
header
required

Enter your API key as the bearer token

Query Parameters

​
markets
string
required

Comma-separated list of market IDs

​
start_date
string

Start date for performance comparison

​
end_date
string

End date for performance comparison

​
interval
enum<string>
default:day

Time interval for data aggregation

Available options:
day,
week,
month
​
metric
enum<string>
default:probability

Metric to compare

Available options:
probability,
volume,
liquidity

Response

200
application/json
Market performance comparison
​
data
object