> ## Documentation Index
> Fetch the complete documentation index at: https://api.unusualwhales.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

> ## Agent Instructions
> API requests use the base URL https://api.unusualwhales.com and require a bearer token in the `Authorization` header (`Authorization: Bearer <API_KEY>`). Create and manage API tokens at https://unusualwhales.com/dashboard/api.
> For live market data inside an AI tool, use the Unusual Whales MCP server at https://unusualwhales.com/public-api/mcp.
> Instructions for agents using Unusual Whales tools: https://unusualwhales.com/skill.md

# FlexTickerState

> Daily aggregate FLEX option state for an underlying ticker.

Message
fields**5**
used by[FlexOptionState](/docs/kafka/types/FlexOptionState.md)

**Proto definition**

```protobuf schema.proto theme={null}
message FlexTickerState {
  int64 total_flex_oi = 1;
  optional int64 total_flex_oi_change = 2;
  int32 total_flex_chains = 3;
  optional int32 total_flex_chains_change = 4;
  int64 total_option_oi = 5;
}
```

## Fields

The number on the right of each row is the protobuf field number.

total\_flex\_oi
int64
1

Total open interest across the ticker's FLEX option contracts.

total\_flex\_oi\_change
int64
optional
2

Change in total FLEX open interest from the previous trading day.

total\_flex\_chains
int32
3

Number of FLEX option contracts reported for the ticker.

total\_flex\_chains\_change
int32
optional
4

Change in the number of FLEX option contracts from the previous trading day.

total\_option\_oi
int64
5

Total option open interest reported for the ticker.