# `CCXT.OptionData`
[🔗](https://github.com/ZenHive/ccxt_client/blob/main/lib/ccxt/option_data.ex#L1)

Unified options contract data.

Represents market data for an options contract. Named `OptionData`
to avoid confusion with Elixir's concept of options.

## Fields

  * `currency` - Settlement currency
  * `symbol` - Unified symbol
  * `timestamp` - Data timestamp in milliseconds
  * `datetime` - ISO 8601 datetime string
  * `implied_volatility` - Implied volatility
  * `open_interest` - Open interest
  * `bid_price` - Bid price
  * `ask_price` - Ask price
  * `mid_price` - Mid price
  * `mark_price` - Mark price
  * `last_price` - Last traded price
  * `underlying_price` - Underlying asset price
  * `change` - Price change
  * `percentage` - Percentage change
  * `base_volume` - Volume in base currency
  * `quote_volume` - Volume in quote currency
  * `info` - Raw exchange response

# `t`

```elixir
@type t() :: %CCXT.OptionData{
  ask_price: number() | nil,
  base_volume: number() | nil,
  bid_price: number() | nil,
  change: number() | nil,
  currency: String.t() | nil,
  datetime: String.t() | nil,
  implied_volatility: number() | nil,
  info: map() | nil,
  last_price: number() | nil,
  mark_price: number() | nil,
  mid_price: number() | nil,
  open_interest: number() | nil,
  percentage: number() | nil,
  quote_volume: number() | nil,
  symbol: String.t() | nil,
  timestamp: integer() | nil,
  underlying_price: number() | nil
}
```

# `schema`

```elixir
@spec schema() :: map()
```

JSON Schema for the OptionData unified type.

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*Consult [api-reference.md](api-reference.md) for complete listing*