Skip to content
oanor
Sign up free
Marketplace Pricing Features Sign in
GET /v1/screener

Rank the universe by gap metric

Try it live

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

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

It works. Grab an API key and use it in your project.

Get an API key

Code snippets

curl "https://api.oanor.com/gapstats-api/v1/screener" \
  -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/gapstats-api/v1/screener", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/gapstats-api/v1/screener");
curl_setopt($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/gapstats-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": "Ranked by gap_frequency over window_days of daily OHLC. A gap is the open vs the prior close beyond gap_threshold_pct (default 0.5%). gap_fill_rate = share of gaps where the day traded back through the prior close; continuation_rate = share that closed in the gap's direction. Read fresh per call, nothing cached.",
        "class": "all",
        "count": 20,
        "metric": "gap_frequency",
        "source": "Yahoo Finance",
        "results": [
            {
                "name": "AMD",
                "rank": 1,
                "class": "stock",
                "symbol": "AMD",
                "gap_days": 196,
                "available": true,
                "trading_days": 252,
                "avg_up_gap_pct": 2.46,
                "avg_abs_gap_pct": 2.31,
                "avg_down_gap_pct": -2.1,
                "gap_fill_rate_pct": 51,
                "gap_frequency_pct": 77.8,
                "up_gap_fill_rate_pct": 46,
                "up_gap_frequency_pct": 44.8,
                "continuation_rate_pct": 51,
                "down_gap_fill_rate_pct": 57.8,
                "down_gap_frequency_pct": 32.9
            },
            {
                "name": "Crude Oil ETF",
                "rank": 2,
                "class": "commodity",
                "symbol": "USO",
                "gap_days": 188,
                "available": true,
                "trading_days": 252,
                "avg_up_gap_pct": 2.2,
                "avg_abs_gap_pct": 2.08,
                "avg_down_gap_pct": -1.94,
                "gap_fill_rate_pct": 26.1,
                "gap_frequency_pct": 74.6,
                "up_gap_fill_rate_pct": 24.8,
                "up_gap_frequency_pct": 40.1,
                "continuation_rate_pct": 53.7,
                "down_gap_fill_rate_pct": 27.6,
                "down_gap_frequency_pct": 34.5
            },
            {
                "name": "Silver ETF",
                "rank": 3,
                "class": "commodity",
                "symbol": "SLV",
                "gap_days": 185,
                "available": true,
                "trading_days": 252,
                "avg_up_gap_pct": 2.37,
                "avg_abs_gap_pct": 2.59,
                "avg_down_gap_pct": -2.93,
                "gap_fill_rate_pct": 21.1,
                "gap_frequency_pct": 73.4,
                "up_gap_fill_rate_pct": 23.9,
                "up_gap_frequency_pct": 44.8,
                "continuation_rate_pct": 55.1,
                "down_gap_fill_rate_pct": 16.7,
                "down_gap_frequency_pct": 28.6
            },
            {
                "name": "Tesla",
                "rank": 4,
                "class": "stock",
                "symbol": "TSLA",
                "gap_days": 179,
                "available": true,
                "trading_days": 252,
                "avg_up_gap_pct": 1.42,
                "avg_abs_gap_pct": 1.51,
                "avg_down_gap_pct": -1.63,
                "g
…