Unusual Whales

{
 "expiry": "2026-06-23",
 "ewma_nbbo_ask": "4.31",
 "missing_periscope": true,
 "volume": 1831,
 "sector": null,
 "canceled": false,
 "delta": "0.607741596818753",
 "marketcap": null,
 "strike": "674",
 "vega": "0.104415873400568",
 "bid_vol": 129,
 "size": 8,
 "open_interest": 773,
 "flow_alert_id": null,
 "er_time": null,
 "mid_vol": 147,
 "stock_multi_vol": 0,
 "rho": "0.069923439343865",
 "theta": "-0.285212915474977",
 "executed_at": "2025-04-08T21:16:38.898348Z",
 "nbbo_ask": "4.21",
 "price": "3.93",
 "industry_type": null,
 "option_type": "call",
 "premium": "314.40",
 "ewma_nbbo_bid": "3.68",
 "underlying_price": "664",
 "rule_id": null,
 "option_chain_id": "SPY260623C00000674",
 "nbbo_bid": "3.60",
 "underlying_symbol": "SPY",
 "theo": "3.930000000000000",
 "no_side_vol": 0,
 "next_earnings_date": null,
 "implied_volatility": "0.165649470936890",
 "report_flags": [
  "trade_through"
 ],
 "full_name": "SPDR S&P 500 ETF Trust",
 "id": "6d4ebc30-c579-4e86-b17a-d6f0a3087afc",
 "upstream_condition_detail": "slow",
 "tags": [
  "ask_side",
  "neutral",
  "index"
 ],
 "gamma": "0.135958612958189",
 "multi_vol": 399,
 "exchange": "XNYS",
 "ask_vol": 338
}