Rank the universe by contraction, range or outside-day frequency

Codefragmenten

curl "https://api.oanor.com/rangeexpansion-api/v1/screener" \
  -H "x-oanor-key: oanor_test_..."

await fetch("https://api.oanor.com/rangeexpansion-api/v1/screener", {
  headers: { "x-oanor-key": "oanor_test_..." }
});

$ch = curl_init("https://api.oanor.com/rangeexpansion-api/v1/screener");
curl_setopt($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/rangeexpansion-api/v1/screener",
    headers={"x-oanor-key": "oanor_test_..."}
)

Voorbeeldrespons

Een echte respons van dit endpoint, vastgelegd bij de laatste health check.

{
    "data": {
        "note": "Ranked by contraction over window_days of daily OHLC. current_range_percentile places today's high-low range in its recent distribution: low = contracted/coiling (breakout candidate), high = already expanded. is_nr7 marks the narrowest range of the last seven days. Read fresh per call, nothing cached.",
        "class": "all",
        "count": 20,
        "metric": "contraction",
        "source": "Yahoo Finance",
        "results": [
            {
                "name": "Nvidia",
                "rank": 1,
                "class": "stock",
                "is_nr7": false,
                "symbol": "NVDA",
                "available": true,
                "avg_range_pct": 2.82,
                "is_inside_day": false,
                "is_outside_day": false,
                "current_range_pct": 2.99,
                "outside_day_freq_pct": 15.1,
                "current_range_percentile": 65.9
            },
            {
                "name": "Meta Platforms",
                "rank": 2,
                "class": "stock",
                "is_nr7": false,
                "symbol": "META",
                "available": true,
                "avg_range_pct": 2.38,
                "is_inside_day": false,
                "is_outside_day": false,
                "current_range_pct": 2.67,
                "outside_day_freq_pct": 8.8,
                "current_range_percentile": 72.2
            },
            {
                "name": "Financials Sector",
                "rank": 3,
                "class": "sector",
                "is_nr7": false,
                "symbol": "XLF",
                "available": true,
                "avg_range_pct": 1.23,
                "is_inside_day": false,
                "is_outside_day": false,
                "current_range_pct": 1.39,
                "outside_day_freq_pct": 12.4,
                "current_range_percentile": 73.8
            },
            {
                "name": "Amazon",
                "rank": 4,
                "class": "stock",
                "is_nr7": false,
                "symbol": "AMZN",
                "available": true,
                "avg_range_pct": 2.24,
                "is_inside_day": false,
                "is_outside_day": false,
                "current_range_pct": 2.88,
                "outside_day_freq_pct": 8,
                "current_range_percentile": 79.8
            },
            {
                "name": "Apple",
                "rank": 5,
                "class": "stock",
                "is_nr7": false,
                "symbol": "AAPL",
                "available": true,
                "avg_range_pct": 1.97,
                "is_inside_day": false,
                "is_outside_day": false,
                "current_range_pct": 2.51,
                "outside_day_freq_pct": 10.4,
                "current_range_percentile": 82.1
            },
            {
                "name": "Tesla",
                "rank": 6,
                "cla
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