Assignment / Exercise Event

draft

Broker-reported assignment, exercise, or expiration event on an option contract.

Verification note

Draft — verification pending against Velocity OMS event stream.

Example payload

Realistic wire-shaped payload a conforming producer would emit. Validates against the schema above.

{
  "option_symbol": "AAPL  260918C00235000",
  "kind": "ASSIGNMENT",
  "quantity": 3,
  "settlement": "PHYSICAL",
  "shares_delivered": 300,
  "occurred_at": "2026-09-18T21:00:00Z"
}

JSON Schema

draft/2020-12

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://rebeltrade.com/options-schema/v0.1/executions/event.assignment.json",
  "type": "object",
  "required": [
    "option_symbol",
    "kind",
    "quantity",
    "occurred_at"
  ],
  "properties": {
    "option_symbol": {
      "$ref": "https://rebeltrade.com/options-schema/v0.1/types/OptionSymbol.json"
    },
    "kind": {
      "enum": [
        "ASSIGNMENT",
        "EXERCISE",
        "EXPIRATION"
      ]
    },
    "quantity": {
      "type": "integer",
      "minimum": 1
    },
    "settlement": {
      "$ref": "https://rebeltrade.com/options-schema/v0.1/types/Settlement.json"
    },
    "shares_delivered": {
      "type": "integer"
    },
    "cash_settled_amount": {
      "$ref": "https://rebeltrade.com/options-schema/v0.1/types/Money.json"
    },
    "occurred_at": {
      "$ref": "https://rebeltrade.com/options-schema/v0.1/types/Timestamp.json"
    }
  }
}