curl -X GET \
  -H "x-api-key: $SECAPI_API_KEY" \
  -H "secapi-version: 2026-03-19" \
  "https://api.secapi.ai/v1/factors/decomposition?symbol=AAPL&window=3m&response_mode=compact&include=trust"

{
  "object": "factor_decomposition",
  "id": "factor_decomposition:AAPL:3m:2026-06-09",
  "symbol": "AAPL",
  "factorCategory": "style",
  "window": "3m",
  "asOf": "2026-06-09T22:15:00.000Z",
  "exposures": [
    {
      "object": "factor_exposure",
      "id": "factor_exposure:AAPL:VALUE:2026-06-09",
      "subjectType": "security",
      "subjectKey": "AAPL",
      "factorKey": "VALUE",
      "beta": -0.42,
      "percentile": 18.2,
      "confidence": "high",
      "modelName": "secapi_stock_basket_factor_model_v1",
      "asOf": "2026-06-09T22:15:00.000Z",
      "responseMode": "compact",
      "expansionHints": [
        "Use include=diagnostics or response_mode=standard for regression diagnostics such as rSquared, tStat, and observationCount."
      ]
    }
  ],
  "contributions": [
    {
      "factorKey": "MOMENTUM",
      "contributionPercent": 1.8,
      "explanation": "Momentum beta explained 180 bps of AAPL's selected-window return."
    }
  ],
  "summaryMd": "AAPL's selected-window return was mostly explained by momentum and quality exposure.",
  "stockReturn": 0.072,
  "totalExplained": 0.049,
  "alpha": 0.023,
  "rSquared": 0.68,
  "modelName": "secapi_stock_basket_factor_model_v1",
  "date": "2026-06-09",
  "responseMode": "compact",
  "dataAsOf": "2026-06-09",
  "freshnessStatus": "fresh",
  "methodologyVersion": "secapi_factor_returns_v1",
  "materializationVersion": "2026-06-09",
  "provenance": {
    "source": "secapi_factor_pipeline",
    "sourceLabel": "SecAPI factor pipeline",
    "accessionNumber": null,
    "filingUrl": "https://docs.secapi.ai/factors/methodology",
    "acceptedAt": null,
    "retrievedAt": "2026-06-09T22:15:00.000Z",
    "parserVersion": "secapi-factor-pipeline"
  },
  "freshness": {
    "status": "fresh",
    "asOf": "2026-06-09T22:15:00.000Z",
    "sourcePublishedAt": "2026-06-09T21:30:00.000Z",
    "lagMs": 2700000
  },
  "materialization": {
    "parserVersion": "secapi-factor-pipeline",
    "materializationVersion": "2026-06-09"
  },
  "sourceRights": {
    "source": "secapi_owned_factor_pipeline",
    "sourceLabel": "SecAPI factor pipeline",
    "posture": "public_safe",
    "publicAvailability": "public",
    "contractStatus": "approved",
    "restrictions": [],
    "notes": "SecAPI-owned derived factor data."
  },
  "methodology": {
    "id": "secapi_factor_returns",
    "version": "v1",
    "summary": "SecAPI-owned daily factor returns, exposures, and portfolio analytics built for agent and API workflows.",
    "confidence": "high",
    "launchState": "beta",
    "inputs": [
      "secapi_factor_returns",
      "secapi_factor_exposures",
      "market_calendar"
    ],
    "validation": {
      "launchHistoryFloor": "2015-01-01",
      "marketCalendarAware": true
    }
  },
  "revision": {
    "sourcePublishedAt": "2026-06-09T21:30:00.000Z",
    "retrievedAt": "2026-06-09T22:15:00.000Z",
    "vintageId": "2026-06-09",
    "revisedFrom": null
  },
  "degradedState": null,
  "requestId": "req_2ZK8Q1W9F4M6P7R3",
  "traceparent": "00-4bf92f3577b34da6a3ce929d0e0e4736-00f067aa0ba902b7-01"
}