{
  "symbol": "SPY",
  "underlying_price": 699.28,
  "as_of": "2026-04-16T14:02:43.119195Z",
  "levels": {
    "gamma_flip": 694.531631044826,
    "max_positive_gamma": 700,
    "max_negative_gamma": 650,
    "call_wall": 700,
    "put_wall": 697,
    "highest_oi_strike": 600,
    "zero_dte_magnet": 697
  }
}