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GET /v1/screener

Rank markets by COT Index, flag crowded extremes

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10 free calls per day — no sign-up, no API key. Goes through the oanor gateway.

Custom headers (optional)
api.oanor.com/cotindex-api

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Code snippets

curl "https://api.oanor.com/cotindex-api/v1/screener" \
  -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/cotindex-api/v1/screener", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/cotindex-api/v1/screener");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);
import requests
requests.get(
    "https://api.oanor.com/cotindex-api/v1/screener",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

A real response from this endpoint, captured by the latest health check.

{
    "data": {
        "note": "Markets ranked by the large speculators (non-commercials) COT Index (0-100) over window_weeks. High = that group is near its most net-long of the window (crowded long, contrarian bearish); low = most net-short (crowded short, contrarian bullish). Source CFTC, updated weekly.",
        "class": "all",
        "count": 17,
        "group": "noncomm",
        "source": "CFTC Commitments of Traders (legacy futures-only)",
        "results": [
            {
                "name": "Copper",
                "rank": 1,
                "class": "metal",
                "market": "copper",
                "extreme": "bullish-extreme (net long crowded — contrarian bearish)",
                "available": true,
                "cot_index": 100,
                "report_date": "2026-06-02",
                "net_position": 78833,
                "net_change_week": 5793,
                "cot_index_change": 5.2
            },
            {
                "name": "Soybeans",
                "rank": 2,
                "class": "grain",
                "market": "soybeans",
                "extreme": "bullish-extreme (net long crowded — contrarian bearish)",
                "available": true,
                "cot_index": 85.3,
                "report_date": "2026-06-02",
                "net_position": 187784,
                "net_change_week": -16891,
                "cot_index_change": -3.7
            },
            {
                "name": "Australian Dollar",
                "rank": 3,
                "class": "fx",
                "market": "aud",
                "extreme": "leaning long",
                "available": true,
                "cot_index": 77.3,
                "report_date": "2026-06-02",
                "net_position": 41812,
                "net_change_week": -18343,
                "cot_index_change": -9.5
            },
            {
                "name": "Wheat (SRW)",
                "rank": 4,
                "class": "grain",
                "market": "wheat",
                "extreme": "leaning long",
                "available": true,
                "cot_index": 65,
                "report_date": "2026-06-02",
                "net_position": -40762,
                "net_change_week": -31304,
                "cot_index_change": -26.3
            },
            {
                "name": "Corn",
                "rank": 5,
                "class": "grain",
                "market": "corn",
                "extreme": "leaning long",
                "available": true,
                "cot_index": 63.4,
                "report_date": "2026-06-02",
                "net_position": 199942,
                "net_change_week": -102060,
                "cot_index_change": -13.9
            },
            {
                "name": "Dow Jones (DJIA x$5)",
                "rank": 6,
                "class": "index",
                "market": "djia",
                "extreme": "neutral",
                "available": 
…