| Name | Type | Description | Notes |
|---|---|---|---|
| instrument_key | str | Instrument Key of the Instrument | |
| quantity | int | Quantity of the instrument to buy or sell for margin calculation | |
| product | str | Product with which the order is to be placed | |
| transaction_type | str | Indicates whether its a BUY or SELL order | |
| price | float | price | [optional] |