Beta dispersion across the universe with a risk-appetite read

Code snippets

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

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

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

Example response

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

{
    "data": {
        "note": "Beta dispersion across the whole universe vs SPY. A wide high-minus-low spread and a high share of >1.15 betas indicates the market is rewarding risk-taking (risk-on); a large negative-beta share indicates available hedges / a defensive regime. Read fresh per call, nothing cached.",
        "read": "balanced beta distribution",
        "count": 21,
        "lowest": {
            "beta": -1.252,
            "symbol": "USO"
        },
        "source": "Yahoo Finance",
        "highest": {
            "beta": 2.813,
            "symbol": "ETH-USD"
        },
        "benchmark": "SPY",
        "mean_beta": 0.752,
        "window_days": 252,
        "benchmark_name": "S&P 500",
        "high_beta_share": 0.333,
        "negative_beta_share": 0.143,
        "beta_spread_high_minus_low": 4.065
    },
    "meta": {
        "timestamp": "2026-06-12T10:34:54.585Z",
        "request_id": "9efdbf0f-eade-47d5-9e59-c82481680142"
    },
    "status": "ok",
    "message": "Beta dispersion retrieved successfully",
    "success": true
}