{
  "data_mode": "synthetic",
  "schema_version": "1.0",
  "contract_id": "EXAMPLE-20261218-C-100",
  "underlying_id": "EXAMPLE",
  "option_type": "call",
  "strike": 100,
  "strike_currency": "USD",
  "expiration_date": "2026-12-18",
  "exercise_style": "american",
  "settlement_method": "physical",
  "premium_currency": "USD",
  "premium_multiplier": 100,
  "deliverable": {
    "asset": "EXAMPLE",
    "units": 100
  }
}