> This page is for TWS API.

> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://ibkrcampus.com/docs/llms.txt.

## MarketRule

| Field | Type | Description |
| ----- | ---- | ----------- |
| `marketRuleId` | `int32` | Market Rule ID requested |
| `priceIncrements` | `PriceIncrement` | Returns the available price increments based on the market rule |