{
"data": {
"symbol": "SPY",
"snapshot_date": "string",
"underlier_price": 0,
"expiry": "string",
"atm_iv": 0,
"iv_call_25d": 0,
"iv_put_25d": 0,
"skew_25d": 0,
"call_25d_source": "string",
"put_25d_source": "string",
"contracts_used_calls": 0,
"contracts_used_puts": 0,
"dropped_unreliable_iv": 0,
"dropped_missing_delta": 0
},
"meta": {
"endpoint": "/api/v1/fred/us/cpi",
"data_time": "2026-04-16T14:30:00Z",
"response_time": "2026-04-16T14:30:12Z",
"provider": "Sugra API v1.0.1",
"source": "string",
"attribution": "string",
"fallback_used": true,
"fallback_chain": [
"string"
],
"cached": true,
"stale": true
}
}